X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fh264_slice.c;h=d49c619a224f4a3f66ca330946988264cd463860;hb=9df889a5f116c1ee78c2f239e0ba599c492431aa;hp=d883f6b0e8d8bb70afbb13f02b8fc7b368dc4c68;hpb=a67f8ae9a2c8529bf6a635e8ca4e3483592708b1;p=ffmpeg diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c index d883f6b0e8d..d49c619a224 100644 --- a/libavcodec/h264_slice.c +++ b/libavcodec/h264_slice.c @@ -21,19 +21,21 @@ /** * @file - * H.264 / AVC / MPEG4 part10 codec. + * H.264 / AVC / MPEG-4 part10 codec. * @author Michael Niedermayer */ #include "libavutil/avassert.h" +#include "libavutil/display.h" #include "libavutil/imgutils.h" +#include "libavutil/stereo3d.h" #include "libavutil/timer.h" #include "internal.h" #include "cabac.h" #include "cabac_functions.h" #include "error_resilience.h" #include "avcodec.h" -#include "h264.h" +#include "h264dec.h" #include "h264data.h" #include "h264chroma.h" #include "h264_mvpred.h" @@ -43,19 +45,6 @@ #include "rectangle.h" #include "thread.h" - -static const uint8_t rem6[QP_MAX_NUM + 1] = { - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, - 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, - 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, -}; - -static const uint8_t div6[QP_MAX_NUM + 1] = { - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, - 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, -}; - static const uint8_t field_scan[16] = { 0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4, 0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4, @@ -121,57 +110,45 @@ static const uint8_t zigzag_scan8x8_cavlc[64] = { 5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8, }; -static const uint8_t dequant4_coeff_init[6][3] = { - { 10, 13, 16 }, - { 11, 14, 18 }, - { 13, 16, 20 }, - { 14, 18, 23 }, - { 16, 20, 25 }, - { 18, 23, 29 }, -}; - -static const uint8_t dequant8_coeff_init_scan[16] = { - 0, 3, 4, 3, 3, 1, 5, 1, 4, 5, 2, 5, 3, 1, 5, 1 -}; - -static const uint8_t dequant8_coeff_init[6][6] = { - { 20, 18, 32, 19, 25, 24 }, - { 22, 19, 35, 21, 28, 26 }, - { 26, 23, 42, 24, 33, 31 }, - { 28, 25, 45, 26, 35, 33 }, - { 32, 28, 51, 30, 40, 38 }, - { 36, 32, 58, 34, 46, 43 }, -}; - - static void release_unused_pictures(H264Context *h, int remove_current) { int i; /* release non reference frames */ for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) { - if (h->DPB[i].f.buf[0] && !h->DPB[i].reference && + if (h->DPB[i].f->buf[0] && !h->DPB[i].reference && (remove_current || &h->DPB[i] != h->cur_pic_ptr)) { ff_h264_unref_picture(h, &h->DPB[i]); } } } -static int alloc_scratch_buffers(H264Context *h, int linesize) +static int alloc_scratch_buffers(H264SliceContext *sl, int linesize) { + const H264Context *h = sl->h264; int alloc_size = FFALIGN(FFABS(linesize) + 32, 32); - if (h->bipred_scratchpad) - return 0; - - h->bipred_scratchpad = av_malloc(16 * 6 * alloc_size); + av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size); // edge emu needs blocksize + filter length - 1 - // (= 21x21 for h264) - h->edge_emu_buffer = av_mallocz(alloc_size * 2 * 21); - - if (!h->bipred_scratchpad || !h->edge_emu_buffer) { - av_freep(&h->bipred_scratchpad); - av_freep(&h->edge_emu_buffer); + // (= 21x21 for H.264) + av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21); + + av_fast_malloc(&sl->top_borders[0], &sl->top_borders_allocated[0], + h->mb_width * 16 * 3 * sizeof(uint8_t) * 2); + av_fast_malloc(&sl->top_borders[1], &sl->top_borders_allocated[1], + h->mb_width * 16 * 3 * sizeof(uint8_t) * 2); + + if (!sl->bipred_scratchpad || !sl->edge_emu_buffer || + !sl->top_borders[0] || !sl->top_borders[1]) { + av_freep(&sl->bipred_scratchpad); + av_freep(&sl->edge_emu_buffer); + av_freep(&sl->top_borders[0]); + av_freep(&sl->top_borders[1]); + + sl->bipred_scratchpad_allocated = 0; + sl->edge_emu_buffer_allocated = 0; + sl->top_borders_allocated[0] = 0; + sl->top_borders_allocated[1] = 0; return AVERROR(ENOMEM); } @@ -209,17 +186,14 @@ static int alloc_picture(H264Context *h, H264Picture *pic) { int i, ret = 0; - av_assert0(!pic->f.data[0]); + av_assert0(!pic->f->data[0]); - pic->tf.f = &pic->f; + pic->tf.f = pic->f; ret = ff_thread_get_buffer(h->avctx, &pic->tf, pic->reference ? AV_GET_BUFFER_FLAG_REF : 0); if (ret < 0) goto fail; - h->linesize = pic->f.linesize[0]; - h->uvlinesize = pic->f.linesize[1]; - if (h->avctx->hwaccel) { const AVHWAccel *hwaccel = h->avctx->hwaccel; av_assert0(!pic->hwaccel_picture_private); @@ -263,9 +237,7 @@ fail: static inline int pic_is_unused(H264Context *h, H264Picture *pic) { - if (!pic->f.buf[0]) - return 1; - if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF)) + if (!pic->f->buf[0]) return 1; return 0; } @@ -281,110 +253,35 @@ static int find_unused_picture(H264Context *h) if (i == H264_MAX_PICTURE_COUNT) return AVERROR_INVALIDDATA; - if (h->DPB[i].needs_realloc) { - h->DPB[i].needs_realloc = 0; - ff_h264_unref_picture(h, &h->DPB[i]); - } - return i; } - -static void init_dequant8_coeff_table(H264Context *h) +static int initialize_cur_frame(H264Context *h) { - int i, j, q, x; - const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8); - - for (i = 0; i < 6; i++) { - h->dequant8_coeff[i] = h->dequant8_buffer[i]; - for (j = 0; j < i; j++) - if (!memcmp(h->pps.scaling_matrix8[j], h->pps.scaling_matrix8[i], - 64 * sizeof(uint8_t))) { - h->dequant8_coeff[i] = h->dequant8_buffer[j]; - break; - } - if (j < i) - continue; - - for (q = 0; q < max_qp + 1; q++) { - int shift = div6[q]; - int idx = rem6[q]; - for (x = 0; x < 64; x++) - h->dequant8_coeff[i][q][(x >> 3) | ((x & 7) << 3)] = - ((uint32_t)dequant8_coeff_init[idx][dequant8_coeff_init_scan[((x >> 1) & 12) | (x & 3)]] * - h->pps.scaling_matrix8[i][x]) << shift; - } - } -} + H264Picture *cur; + int ret; -static void init_dequant4_coeff_table(H264Context *h) -{ - int i, j, q, x; - const int max_qp = 51 + 6 * (h->sps.bit_depth_luma - 8); - for (i = 0; i < 6; i++) { - h->dequant4_coeff[i] = h->dequant4_buffer[i]; - for (j = 0; j < i; j++) - if (!memcmp(h->pps.scaling_matrix4[j], h->pps.scaling_matrix4[i], - 16 * sizeof(uint8_t))) { - h->dequant4_coeff[i] = h->dequant4_buffer[j]; - break; - } - if (j < i) - continue; - - for (q = 0; q < max_qp + 1; q++) { - int shift = div6[q] + 2; - int idx = rem6[q]; - for (x = 0; x < 16; x++) - h->dequant4_coeff[i][q][(x >> 2) | ((x << 2) & 0xF)] = - ((uint32_t)dequant4_coeff_init[idx][(x & 1) + ((x >> 2) & 1)] * - h->pps.scaling_matrix4[i][x]) << shift; - } - } -} + release_unused_pictures(h, 1); + ff_h264_unref_picture(h, &h->cur_pic); + h->cur_pic_ptr = NULL; -void h264_init_dequant_tables(H264Context *h) -{ - int i, x; - init_dequant4_coeff_table(h); - if (h->pps.transform_8x8_mode) - init_dequant8_coeff_table(h); - if (h->sps.transform_bypass) { - for (i = 0; i < 6; i++) - for (x = 0; x < 16; x++) - h->dequant4_coeff[i][0][x] = 1 << 6; - if (h->pps.transform_8x8_mode) - for (i = 0; i < 6; i++) - for (x = 0; x < 64; x++) - h->dequant8_coeff[i][0][x] = 1 << 6; + ret = find_unused_picture(h); + if (ret < 0) { + av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n"); + return ret; } -} + cur = &h->DPB[ret]; -/** - * Mimic alloc_tables(), but for every context thread. - */ -static void clone_tables(H264Context *dst, H264SliceContext *sl, - H264Context *src, int i) -{ - sl->intra4x4_pred_mode = src->intra4x4_pred_mode + i * 8 * 2 * src->mb_stride; - sl->mvd_table[0] = src->mvd_table[0] + i * 8 * 2 * src->mb_stride; - sl->mvd_table[1] = src->mvd_table[1] + i * 8 * 2 * src->mb_stride; - - dst->non_zero_count = src->non_zero_count; - dst->slice_table = src->slice_table; - dst->cbp_table = src->cbp_table; - dst->mb2b_xy = src->mb2b_xy; - dst->mb2br_xy = src->mb2br_xy; - dst->chroma_pred_mode_table = src->chroma_pred_mode_table; - dst->direct_table = src->direct_table; - dst->list_counts = src->list_counts; - dst->DPB = src->DPB; - dst->cur_pic_ptr = src->cur_pic_ptr; - dst->cur_pic = src->cur_pic; - dst->bipred_scratchpad = NULL; - dst->edge_emu_buffer = NULL; - ff_h264_pred_init(&dst->hpc, src->avctx->codec_id, src->sps.bit_depth_luma, - src->sps.chroma_format_idc); + ret = alloc_picture(h, cur); + if (ret < 0) + return ret; + + ret = ff_h264_ref_picture(h, &h->cur_pic, cur); + if (ret < 0) + return ret; + h->cur_pic_ptr = cur; + + return 0; } #define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size)))) @@ -409,59 +306,55 @@ static void copy_picture_range(H264Picture **to, H264Picture **from, int count, } } -static int copy_parameter_set(void **to, void **from, int count, int size) -{ - int i; - - for (i = 0; i < count; i++) { - if (to[i] && !from[i]) { - av_freep(&to[i]); - } else if (from[i] && !to[i]) { - to[i] = av_malloc(size); - if (!to[i]) - return AVERROR(ENOMEM); - } - - if (from[i]) - memcpy(to[i], from[i], size); - } - - return 0; -} - -#define copy_fields(to, from, start_field, end_field) \ - memcpy(&to->start_field, &from->start_field, \ - (char *)&to->end_field - (char *)&to->start_field) - -static int h264_slice_header_init(H264Context *h, int reinit); +static int h264_slice_header_init(H264Context *h); int ff_h264_update_thread_context(AVCodecContext *dst, const AVCodecContext *src) { H264Context *h = dst->priv_data, *h1 = src->priv_data; int inited = h->context_initialized, err = 0; - int context_reinitialized = 0; + int need_reinit = 0; int i, ret; if (dst == src || !h1->context_initialized) return 0; + if (!h1->ps.sps) + return AVERROR_INVALIDDATA; + if (inited && (h->width != h1->width || h->height != h1->height || h->mb_width != h1->mb_width || h->mb_height != h1->mb_height || - h->sps.bit_depth_luma != h1->sps.bit_depth_luma || - h->sps.chroma_format_idc != h1->sps.chroma_format_idc || - h->sps.colorspace != h1->sps.colorspace)) { + !h->ps.sps || + h->ps.sps->bit_depth_luma != h1->ps.sps->bit_depth_luma || + h->ps.sps->chroma_format_idc != h1->ps.sps->chroma_format_idc || + h->ps.sps->colorspace != h1->ps.sps->colorspace)) { + need_reinit = 1; + } - /* set bits_per_raw_sample to the previous value. the check for changed - * bit depth in h264_set_parameter_from_sps() uses it and sets it to - * the current value */ - h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma; + // SPS/PPS + for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) { + av_buffer_unref(&h->ps.sps_list[i]); + if (h1->ps.sps_list[i]) { + h->ps.sps_list[i] = av_buffer_ref(h1->ps.sps_list[i]); + if (!h->ps.sps_list[i]) + return AVERROR(ENOMEM); + } + } + for (i = 0; i < FF_ARRAY_ELEMS(h->ps.pps_list); i++) { + av_buffer_unref(&h->ps.pps_list[i]); + if (h1->ps.pps_list[i]) { + h->ps.pps_list[i] = av_buffer_ref(h1->ps.pps_list[i]); + if (!h->ps.pps_list[i]) + return AVERROR(ENOMEM); + } + } - av_freep(&h->bipred_scratchpad); + h->ps.sps = h1->ps.sps; + if (need_reinit || !inited) { h->width = h1->width; h->height = h1->height; h->mb_height = h1->mb_height; @@ -470,76 +363,15 @@ int ff_h264_update_thread_context(AVCodecContext *dst, h->mb_stride = h1->mb_stride; h->b_stride = h1->b_stride; - if ((err = h264_slice_header_init(h, 1)) < 0) { + if ((err = h264_slice_header_init(h)) < 0) { av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed"); return err; } - context_reinitialized = 1; - - /* update linesize on resize. The decoder doesn't - * necessarily call h264_frame_start in the new thread */ - h->linesize = h1->linesize; - h->uvlinesize = h1->uvlinesize; /* copy block_offset since frame_start may not be called */ memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset)); } - if (!inited) { - H264SliceContext *orig_slice_ctx = h->slice_ctx; - - for (i = 0; i < MAX_SPS_COUNT; i++) - av_freep(h->sps_buffers + i); - - for (i = 0; i < MAX_PPS_COUNT; i++) - av_freep(h->pps_buffers + i); - - memcpy(h, h1, sizeof(*h1)); - memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); - memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); - memset(&h->er, 0, sizeof(h->er)); - h->context_initialized = 0; - - memset(&h->cur_pic, 0, sizeof(h->cur_pic)); - av_frame_unref(&h->cur_pic.f); - h->cur_pic.tf.f = &h->cur_pic.f; - - h->slice_ctx = orig_slice_ctx; - - memset(&h->slice_ctx[0].mb, 0, sizeof(h->slice_ctx[0].mb)); - memset(&h->slice_ctx[0].mb_luma_dc, 0, sizeof(h->slice_ctx[0].mb_luma_dc)); - memset(&h->slice_ctx[0].mb_padding, 0, sizeof(h->slice_ctx[0].mb_padding)); - - h->avctx = dst; - h->DPB = NULL; - h->qscale_table_pool = NULL; - h->mb_type_pool = NULL; - h->ref_index_pool = NULL; - h->motion_val_pool = NULL; - - ret = ff_h264_alloc_tables(h); - if (ret < 0) { - av_log(dst, AV_LOG_ERROR, "Could not allocate memory\n"); - return ret; - } - ret = ff_h264_context_init(h); - if (ret < 0) { - av_log(dst, AV_LOG_ERROR, "context_init() failed.\n"); - return ret; - } - - for (i = 0; i < 2; i++) { - h->rbsp_buffer[i] = NULL; - h->rbsp_buffer_size[i] = 0; - } - h->bipred_scratchpad = NULL; - h->edge_emu_buffer = NULL; - - h->thread_context[0] = h; - - h->context_initialized = 1; - } - h->avctx->coded_height = h1->avctx->coded_height; h->avctx->coded_width = h1->avctx->coded_width; h->avctx->width = h1->avctx->width; @@ -547,90 +379,64 @@ int ff_h264_update_thread_context(AVCodecContext *dst, h->coded_picture_number = h1->coded_picture_number; h->first_field = h1->first_field; h->picture_structure = h1->picture_structure; + h->mb_aff_frame = h1->mb_aff_frame; h->droppable = h1->droppable; - h->low_delay = h1->low_delay; for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) { ff_h264_unref_picture(h, &h->DPB[i]); - if (h1->DPB[i].f.buf[0] && + if (h1->DPB[i].f->buf[0] && (ret = ff_h264_ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0) return ret; } h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1); ff_h264_unref_picture(h, &h->cur_pic); - if (h1->cur_pic.f.buf[0]) { + if (h1->cur_pic.f->buf[0]) { ret = ff_h264_ref_picture(h, &h->cur_pic, &h1->cur_pic); if (ret < 0) return ret; } + h->enable_er = h1->enable_er; h->workaround_bugs = h1->workaround_bugs; - h->low_delay = h1->low_delay; h->droppable = h1->droppable; - /* frame_start may not be called for the next thread (if it's decoding - * a bottom field) so this has to be allocated here */ - err = alloc_scratch_buffers(h, h1->linesize); - if (err < 0) - return err; - // extradata/NAL handling h->is_avc = h1->is_avc; + h->nal_length_size = h1->nal_length_size; - // SPS/PPS - if ((ret = copy_parameter_set((void **)h->sps_buffers, - (void **)h1->sps_buffers, - MAX_SPS_COUNT, sizeof(SPS))) < 0) - return ret; - h->sps = h1->sps; - if ((ret = copy_parameter_set((void **)h->pps_buffers, - (void **)h1->pps_buffers, - MAX_PPS_COUNT, sizeof(PPS))) < 0) - return ret; - h->pps = h1->pps; - - // Dequantization matrices - // FIXME these are big - can they be only copied when PPS changes? - copy_fields(h, h1, dequant4_buffer, dequant4_coeff); + memcpy(&h->poc, &h1->poc, sizeof(h->poc)); - for (i = 0; i < 6; i++) - h->dequant4_coeff[i] = h->dequant4_buffer[0] + - (h1->dequant4_coeff[i] - h1->dequant4_buffer[0]); + memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref)); + memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref)); + memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic)); + memcpy(h->last_pocs, h1->last_pocs, sizeof(h->last_pocs)); - for (i = 0; i < 6; i++) - h->dequant8_coeff[i] = h->dequant8_buffer[0] + - (h1->dequant8_coeff[i] - h1->dequant8_buffer[0]); + h->next_output_pic = h1->next_output_pic; + h->next_outputed_poc = h1->next_outputed_poc; - h->dequant_coeff_pps = h1->dequant_coeff_pps; - - // POC timing - copy_fields(h, h1, poc_lsb, redundant_pic_count); - - // reference lists - copy_fields(h, h1, short_ref, cabac_init_idc); + memcpy(h->mmco, h1->mmco, sizeof(h->mmco)); + h->nb_mmco = h1->nb_mmco; + h->mmco_reset = h1->mmco_reset; + h->explicit_ref_marking = h1->explicit_ref_marking; + h->long_ref_count = h1->long_ref_count; + h->short_ref_count = h1->short_ref_count; copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1); copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1); copy_picture_range(h->delayed_pic, h1->delayed_pic, MAX_DELAYED_PIC_COUNT + 2, h, h1); - h->last_slice_type = h1->last_slice_type; - - if (context_reinitialized) - ff_h264_set_parameter_from_sps(h); - if (!h->cur_pic_ptr) return 0; if (!h->droppable) { - err = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); - h->prev_poc_msb = h->poc_msb; - h->prev_poc_lsb = h->poc_lsb; + err = ff_h264_execute_ref_pic_marking(h); + h->poc.prev_poc_msb = h->poc.poc_msb; + h->poc.prev_poc_lsb = h->poc.poc_lsb; } - h->prev_frame_num_offset = h->frame_num_offset; - h->prev_frame_num = h->frame_num; - h->outputed_poc = h->next_outputed_poc; + h->poc.prev_frame_num_offset = h->poc.frame_num_offset; + h->poc.prev_frame_num = h->poc.frame_num; h->recovery_frame = h1->recovery_frame; h->frame_recovered = h1->frame_recovered; @@ -644,61 +450,40 @@ static int h264_frame_start(H264Context *h) int i, ret; const int pixel_shift = h->pixel_shift; - release_unused_pictures(h, 1); - h->cur_pic_ptr = NULL; - - i = find_unused_picture(h); - if (i < 0) { - av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n"); - return i; - } - pic = &h->DPB[i]; + ret = initialize_cur_frame(h); + if (ret < 0) + return ret; + pic = h->cur_pic_ptr; pic->reference = h->droppable ? 0 : h->picture_structure; - pic->f.coded_picture_number = h->coded_picture_number++; + pic->f->coded_picture_number = h->coded_picture_number++; pic->field_picture = h->picture_structure != PICT_FRAME; + pic->frame_num = h->poc.frame_num; /* * Zero key_frame here; IDR markings per slice in frame or fields are ORed * in later. * See decode_nal_units(). */ - pic->f.key_frame = 0; + pic->f->key_frame = 0; pic->mmco_reset = 0; pic->recovered = 0; - if ((ret = alloc_picture(h, pic)) < 0) - return ret; + pic->f->pict_type = h->slice_ctx[0].slice_type; - h->cur_pic_ptr = pic; - ff_h264_unref_picture(h, &h->cur_pic); - if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0) - return ret; - - if (CONFIG_ERROR_RESILIENCE) - ff_er_frame_start(&h->er); - - assert(h->linesize && h->uvlinesize); + if (CONFIG_ERROR_RESILIENCE && h->enable_er) + ff_er_frame_start(&h->slice_ctx[0].er); for (i = 0; i < 16; i++) { - h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->linesize * ((scan8[i] - scan8[0]) >> 3); - h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->linesize * ((scan8[i] - scan8[0]) >> 3); + h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3); + h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3); } for (i = 0; i < 16; i++) { h->block_offset[16 + i] = - h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); + h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3); h->block_offset[48 + 16 + i] = - h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3); + h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3); } - /* can't be in alloc_tables because linesize isn't known there. - * FIXME: redo bipred weight to not require extra buffer? */ - for (i = 0; i < h->slice_context_count; i++) - if (h->thread_context[i]) { - ret = alloc_scratch_buffers(h->thread_context[i], h->linesize); - if (ret < 0) - return ret; - } - /* Some macroblocks can be accessed before they're available in case * of lost slices, MBAFF or threading. */ memset(h->slice_table, -1, @@ -714,12 +499,17 @@ static int h264_frame_start(H264Context *h) h->next_output_pic = NULL; + h->postpone_filter = 0; + + h->mb_aff_frame = h->ps.sps->mb_aff && (h->picture_structure == PICT_FRAME); + assert(h->cur_pic_ptr->long_ref == 0); return 0; } -static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, +static av_always_inline void backup_mb_border(const H264Context *h, H264SliceContext *sl, + uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int simple) @@ -735,13 +525,13 @@ static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, src_cr -= uvlinesize; if (!simple && FRAME_MBAFF(h)) { - if (h->mb_y & 1) { - if (!MB_MBAFF(h)) { - top_border = h->top_borders[0][h->mb_x]; + if (sl->mb_y & 1) { + if (!MB_MBAFF(sl)) { + top_border = sl->top_borders[0][sl->mb_x]; AV_COPY128(top_border, src_y + 15 * linesize); if (pixel_shift) AV_COPY128(top_border + 16, src_y + 15 * linesize + 16); - if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { + if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { if (chroma444) { if (pixel_shift) { AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize); @@ -771,20 +561,20 @@ static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, } } } - } else if (MB_MBAFF(h)) { + } else if (MB_MBAFF(sl)) { top_idx = 0; } else return; } - top_border = h->top_borders[top_idx][h->mb_x]; + top_border = sl->top_borders[top_idx][sl->mb_x]; /* There are two lines saved, the line above the top macroblock * of a pair, and the line above the bottom macroblock. */ AV_COPY128(top_border, src_y + 16 * linesize); if (pixel_shift) AV_COPY128(top_border + 16, src_y + 16 * linesize + 16); - if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { + if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) { if (chroma444) { if (pixel_shift) { AV_COPY128(top_border + 32, src_cb + 16 * linesize); @@ -820,13 +610,13 @@ static av_always_inline void backup_mb_border(H264Context *h, uint8_t *src_y, * @param field 0/1 initialize the weight for interlaced MBAFF * -1 initializes the rest */ -static void implicit_weight_table(H264Context *h, H264SliceContext *sl, int field) +static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, int field) { int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1; for (i = 0; i < 2; i++) { - sl->luma_weight_flag[i] = 0; - sl->chroma_weight_flag[i] = 0; + sl->pwt.luma_weight_flag[i] = 0; + sl->pwt.chroma_weight_flag[i] = 0; } if (field < 0) { @@ -837,8 +627,8 @@ static void implicit_weight_table(H264Context *h, H264SliceContext *sl, int fiel } if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) && sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) { - sl->use_weight = 0; - sl->use_weight_chroma = 0; + sl->pwt.use_weight = 0; + sl->pwt.use_weight_chroma = 0; return; } ref_start = 0; @@ -851,16 +641,16 @@ static void implicit_weight_table(H264Context *h, H264SliceContext *sl, int fiel ref_count1 = 16 + 2 * sl->ref_count[1]; } - sl->use_weight = 2; - sl->use_weight_chroma = 2; - sl->luma_log2_weight_denom = 5; - sl->chroma_log2_weight_denom = 5; + sl->pwt.use_weight = 2; + sl->pwt.use_weight_chroma = 2; + sl->pwt.luma_log2_weight_denom = 5; + sl->pwt.chroma_log2_weight_denom = 5; for (ref0 = ref_start; ref0 < ref_count0; ref0++) { int poc0 = sl->ref_list[0][ref0].poc; for (ref1 = ref_start; ref1 < ref_count1; ref1++) { int w = 32; - if (!sl->ref_list[0][ref0].long_ref && !sl->ref_list[1][ref1].long_ref) { + if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) { int poc1 = sl->ref_list[1][ref1].poc; int td = av_clip_int8(poc1 - poc0); if (td) { @@ -872,10 +662,10 @@ static void implicit_weight_table(H264Context *h, H264SliceContext *sl, int fiel } } if (field < 0) { - sl->implicit_weight[ref0][ref1][0] = - sl->implicit_weight[ref0][ref1][1] = w; + sl->pwt.implicit_weight[ref0][ref1][0] = + sl->pwt.implicit_weight[ref0][ref1][1] = w; } else { - sl->implicit_weight[ref0][ref1][field] = w; + sl->pwt.implicit_weight[ref0][ref1][field] = w; } } } @@ -889,7 +679,7 @@ static void init_scan_tables(H264Context *h) int i; for (i = 0; i < 16; i++) { #define TRANSPOSE(x) (x >> 2) | ((x << 2) & 0xF) - h->zigzag_scan[i] = TRANSPOSE(zigzag_scan[i]); + h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]); h->field_scan[i] = TRANSPOSE(field_scan[i]); #undef TRANSPOSE } @@ -901,8 +691,8 @@ static void init_scan_tables(H264Context *h) h->field_scan8x8_cavlc[i] = TRANSPOSE(field_scan8x8_cavlc[i]); #undef TRANSPOSE } - if (h->sps.transform_bypass) { // FIXME same ugly - h->zigzag_scan_q0 = zigzag_scan; + if (h->ps.sps->transform_bypass) { // FIXME same ugly + h->zigzag_scan_q0 = ff_zigzag_scan; h->zigzag_scan8x8_q0 = ff_zigzag_direct; h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc; h->field_scan_q0 = field_scan; @@ -918,44 +708,17 @@ static void init_scan_tables(H264Context *h) } } -/** - * Replicate H264 "master" context to thread contexts. - */ -static int clone_slice(H264Context *dst, H264Context *src) -{ - memcpy(dst->block_offset, src->block_offset, sizeof(dst->block_offset)); - dst->cur_pic_ptr = src->cur_pic_ptr; - dst->cur_pic = src->cur_pic; - dst->linesize = src->linesize; - dst->uvlinesize = src->uvlinesize; - dst->first_field = src->first_field; - - dst->prev_poc_msb = src->prev_poc_msb; - dst->prev_poc_lsb = src->prev_poc_lsb; - dst->prev_frame_num_offset = src->prev_frame_num_offset; - dst->prev_frame_num = src->prev_frame_num; - dst->short_ref_count = src->short_ref_count; - - memcpy(dst->short_ref, src->short_ref, sizeof(dst->short_ref)); - memcpy(dst->long_ref, src->long_ref, sizeof(dst->long_ref)); - memcpy(dst->default_ref_list, src->default_ref_list, sizeof(dst->default_ref_list)); - - memcpy(dst->dequant4_coeff, src->dequant4_coeff, sizeof(src->dequant4_coeff)); - memcpy(dst->dequant8_coeff, src->dequant8_coeff, sizeof(src->dequant8_coeff)); - - return 0; -} - static enum AVPixelFormat get_pixel_format(H264Context *h) { #define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \ + CONFIG_H264_D3D11VA_HWACCEL + \ CONFIG_H264_VAAPI_HWACCEL + \ (CONFIG_H264_VDA_HWACCEL * 2) + \ CONFIG_H264_VDPAU_HWACCEL) enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts; const enum AVPixelFormat *choices = pix_fmts; - switch (h->sps.bit_depth_luma) { + switch (h->ps.sps->bit_depth_luma) { case 9: if (CHROMA444(h)) { if (h->avctx->colorspace == AVCOL_SPC_RGB) { @@ -998,8 +761,11 @@ static enum AVPixelFormat get_pixel_format(H264Context *h) #if CONFIG_H264_DXVA2_HWACCEL *fmt++ = AV_PIX_FMT_DXVA2_VLD; #endif +#if CONFIG_H264_D3D11VA_HWACCEL + *fmt++ = AV_PIX_FMT_D3D11VA_VLD; +#endif #if CONFIG_H264_VAAPI_HWACCEL - *fmt++ = AV_PIX_FMT_VAAPI_VLD; + *fmt++ = AV_PIX_FMT_VAAPI; #endif #if CONFIG_H264_VDA_HWACCEL *fmt++ = AV_PIX_FMT_VDA_VLD; @@ -1015,7 +781,7 @@ static enum AVPixelFormat get_pixel_format(H264Context *h) break; default: av_log(h->avctx, AV_LOG_ERROR, - "Unsupported bit depth %d\n", h->sps.bit_depth_luma); + "Unsupported bit depth %d\n", h->ps.sps->bit_depth_luma); return AVERROR_INVALIDDATA; } @@ -1027,15 +793,13 @@ static enum AVPixelFormat get_pixel_format(H264Context *h) /* export coded and cropped frame dimensions to AVCodecContext */ static int init_dimensions(H264Context *h) { - int width = h->width - (h->sps.crop_right + h->sps.crop_left); - int height = h->height - (h->sps.crop_top + h->sps.crop_bottom); - int crop_present = h->sps.crop_left || h->sps.crop_top || - h->sps.crop_right || h->sps.crop_bottom; + SPS *sps = h->ps.sps; + int width = h->width - (sps->crop_right + sps->crop_left); + int height = h->height - (sps->crop_top + sps->crop_bottom); /* handle container cropping */ - if (!crop_present && - FFALIGN(h->avctx->width, 16) == h->width && - FFALIGN(h->avctx->height, 16) == h->height) { + if (FFALIGN(h->avctx->width, 16) == FFALIGN(width, 16) && + FFALIGN(h->avctx->height, 16) == FFALIGN(height, 16)) { width = h->avctx->width; height = h->avctx->height; } @@ -1047,11 +811,11 @@ static int init_dimensions(H264Context *h) return AVERROR_INVALIDDATA; av_log(h->avctx, AV_LOG_WARNING, "Ignoring cropping information.\n"); - h->sps.crop_bottom = - h->sps.crop_top = - h->sps.crop_right = - h->sps.crop_left = - h->sps.crop = 0; + sps->crop_bottom = + sps->crop_top = + sps->crop_right = + sps->crop_left = + sps->crop = 0; width = h->width; height = h->height; @@ -1065,27 +829,25 @@ static int init_dimensions(H264Context *h) return 0; } -static int h264_slice_header_init(H264Context *h, int reinit) +static int h264_slice_header_init(H264Context *h) { - int nb_slices = (HAVE_THREADS && - h->avctx->active_thread_type & FF_THREAD_SLICE) ? - h->avctx->thread_count : 1; + const SPS *sps = h->ps.sps; int i, ret; - ff_set_sar(h->avctx, h->sps.sar); + ff_set_sar(h->avctx, sps->sar); av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt, &h->chroma_x_shift, &h->chroma_y_shift); - if (h->sps.timing_info_present_flag) { - int64_t den = h->sps.time_scale; - if (h->x264_build < 44U) + if (sps->timing_info_present_flag) { + int64_t den = sps->time_scale; + if (h->sei.unregistered.x264_build < 44U) den *= 2; av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num, - h->sps.num_units_in_tick, den, 1 << 30); + sps->num_units_in_tick, den, 1 << 30); } - if (reinit) - ff_h264_free_tables(h, 0); + ff_h264_free_tables(h); + h->first_field = 0; h->prev_interlaced_frame = 1; @@ -1096,66 +858,45 @@ static int h264_slice_header_init(H264Context *h, int reinit) return ret; } - if (nb_slices > H264_MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) { - int max_slices; - if (h->mb_height) - max_slices = FFMIN(H264_MAX_THREADS, h->mb_height); - else - max_slices = H264_MAX_THREADS; - av_log(h->avctx, AV_LOG_WARNING, "too many threads/slices %d," - " reducing to %d\n", nb_slices, max_slices); - nb_slices = max_slices; + if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 10) { + av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n", + sps->bit_depth_luma); + return AVERROR_INVALIDDATA; } - h->slice_context_count = nb_slices; + + h->avctx->bits_per_raw_sample = sps->bit_depth_luma; + h->pixel_shift = sps->bit_depth_luma > 8; + h->chroma_format_idc = sps->chroma_format_idc; + h->bit_depth_luma = sps->bit_depth_luma; + + ff_h264dsp_init(&h->h264dsp, sps->bit_depth_luma, + sps->chroma_format_idc); + ff_h264chroma_init(&h->h264chroma, sps->bit_depth_chroma); + ff_h264qpel_init(&h->h264qpel, sps->bit_depth_luma); + ff_h264_pred_init(&h->hpc, h->avctx->codec_id, sps->bit_depth_luma, + sps->chroma_format_idc); + ff_videodsp_init(&h->vdsp, sps->bit_depth_luma); if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) { - ret = ff_h264_context_init(h); + ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]); if (ret < 0) { av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); return ret; } } else { - for (i = 1; i < h->slice_context_count; i++) { - H264Context *c; - c = h->thread_context[i] = av_mallocz(sizeof(H264Context)); - if (!c) - return AVERROR(ENOMEM); - c->avctx = h->avctx; - c->vdsp = h->vdsp; - c->h264dsp = h->h264dsp; - c->h264qpel = h->h264qpel; - c->h264chroma = h->h264chroma; - c->sps = h->sps; - c->pps = h->pps; - c->pixel_shift = h->pixel_shift; - c->width = h->width; - c->height = h->height; - c->linesize = h->linesize; - c->uvlinesize = h->uvlinesize; - c->chroma_x_shift = h->chroma_x_shift; - c->chroma_y_shift = h->chroma_y_shift; - c->droppable = h->droppable; - c->low_delay = h->low_delay; - c->mb_width = h->mb_width; - c->mb_height = h->mb_height; - c->mb_stride = h->mb_stride; - c->mb_num = h->mb_num; - c->flags = h->flags; - c->workaround_bugs = h->workaround_bugs; - c->pict_type = h->pict_type; - - h->slice_ctx[i].h264 = c; - - init_scan_tables(c); - clone_tables(c, &h->slice_ctx[i], h, i); - c->context_initialized = 1; - } + for (i = 0; i < h->nb_slice_ctx; i++) { + H264SliceContext *sl = &h->slice_ctx[i]; + + sl->h264 = h; + sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride; + sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride; + sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride; - for (i = 0; i < h->slice_context_count; i++) - if ((ret = ff_h264_context_init(h->thread_context[i])) < 0) { + if ((ret = ff_h264_slice_context_init(h, sl)) < 0) { av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n"); return ret; } + } } h->context_initialized = 1; @@ -1163,129 +904,37 @@ static int h264_slice_header_init(H264Context *h, int reinit) return 0; } -/** - * Decode a slice header. - * This will (re)intialize the decoder and call h264_frame_start() as needed. - * - * @param h h264context - * @param h0 h264 master context (differs from 'h' when doing sliced based - * parallel decoding) - * - * @return 0 if okay, <0 if an error occurred, 1 if decoding must not be multithreaded - */ -int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Context *h0) +static int h264_init_ps(H264Context *h, const H264SliceContext *sl) { - unsigned int first_mb_in_slice; - unsigned int pps_id; - int ret; - unsigned int slice_type, tmp, i, j; - int default_ref_list_done = 0; - int last_pic_structure, last_pic_droppable; - int needs_reinit = 0; - int field_pic_flag, bottom_field_flag; - - h->qpel_put = h->h264qpel.put_h264_qpel_pixels_tab; - h->qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab; - - first_mb_in_slice = get_ue_golomb(&h->gb); - - if (first_mb_in_slice == 0) { // FIXME better field boundary detection - if (h0->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) { - ff_h264_field_end(h, sl, 1); - } + const SPS *sps; + int needs_reinit = 0, ret; - h0->current_slice = 0; - if (!h0->first_field) { - if (h->cur_pic_ptr && !h->droppable) { - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, - h->picture_structure == PICT_BOTTOM_FIELD); - } - h->cur_pic_ptr = NULL; - } - } - - slice_type = get_ue_golomb_31(&h->gb); - if (slice_type > 9) { - av_log(h->avctx, AV_LOG_ERROR, - "slice type %d too large at %d %d\n", - slice_type, h->mb_x, h->mb_y); - return AVERROR_INVALIDDATA; - } - if (slice_type > 4) { - slice_type -= 5; - sl->slice_type_fixed = 1; - } else - sl->slice_type_fixed = 0; - - slice_type = golomb_to_pict_type[slice_type]; - if (slice_type == AV_PICTURE_TYPE_I || - (h0->current_slice != 0 && slice_type == h0->last_slice_type)) { - default_ref_list_done = 1; - } - sl->slice_type = slice_type; - sl->slice_type_nos = slice_type & 3; - - if (h->nal_unit_type == NAL_IDR_SLICE && - sl->slice_type_nos != AV_PICTURE_TYPE_I) { - av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n"); - return AVERROR_INVALIDDATA; - } + h->ps.pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data; + if (h->ps.sps != (const SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data) { + h->ps.sps = (SPS*)h->ps.sps_list[h->ps.pps->sps_id]->data; - // to make a few old functions happy, it's wrong though - h->pict_type = sl->slice_type; - - pps_id = get_ue_golomb(&h->gb); - if (pps_id >= MAX_PPS_COUNT) { - av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", pps_id); - return AVERROR_INVALIDDATA; - } - if (!h0->pps_buffers[pps_id]) { - av_log(h->avctx, AV_LOG_ERROR, - "non-existing PPS %u referenced\n", - pps_id); - return AVERROR_INVALIDDATA; - } - h->pps = *h0->pps_buffers[pps_id]; - - if (!h0->sps_buffers[h->pps.sps_id]) { - av_log(h->avctx, AV_LOG_ERROR, - "non-existing SPS %u referenced\n", - h->pps.sps_id); - return AVERROR_INVALIDDATA; - } - - if (h->pps.sps_id != h->sps.sps_id || - h0->sps_buffers[h->pps.sps_id]->new) { - h0->sps_buffers[h->pps.sps_id]->new = 0; - - h->sps = *h0->sps_buffers[h->pps.sps_id]; - - if (h->bit_depth_luma != h->sps.bit_depth_luma || - h->chroma_format_idc != h->sps.chroma_format_idc) { - h->bit_depth_luma = h->sps.bit_depth_luma; - h->chroma_format_idc = h->sps.chroma_format_idc; + if (h->bit_depth_luma != h->ps.sps->bit_depth_luma || + h->chroma_format_idc != h->ps.sps->chroma_format_idc) needs_reinit = 1; - } - if ((ret = ff_h264_set_parameter_from_sps(h)) < 0) - return ret; } + sps = h->ps.sps; - h->avctx->profile = ff_h264_get_profile(&h->sps); - h->avctx->level = h->sps.level_idc; - h->avctx->refs = h->sps.ref_frame_count; + h->avctx->profile = ff_h264_get_profile(sps); + h->avctx->level = sps->level_idc; + h->avctx->refs = sps->ref_frame_count; - if (h->mb_width != h->sps.mb_width || - h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag)) + if (h->mb_width != sps->mb_width || + h->mb_height != sps->mb_height * (2 - sps->frame_mbs_only_flag)) needs_reinit = 1; - h->mb_width = h->sps.mb_width; - h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag); + h->mb_width = sps->mb_width; + h->mb_height = sps->mb_height * (2 - sps->frame_mbs_only_flag); h->mb_num = h->mb_width * h->mb_height; h->mb_stride = h->mb_width + 1; h->b_stride = h->mb_width * 4; - h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p + h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p h->width = 16 * h->mb_width; h->height = 16 * h->mb_height; @@ -1294,26 +943,27 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex if (ret < 0) return ret; - if (h->sps.video_signal_type_present_flag) { - h->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG - : AVCOL_RANGE_MPEG; - if (h->sps.colour_description_present_flag) { - if (h->avctx->colorspace != h->sps.colorspace) + if (sps->video_signal_type_present_flag) { + h->avctx->color_range = sps->full_range ? AVCOL_RANGE_JPEG + : AVCOL_RANGE_MPEG; + if (sps->colour_description_present_flag) { + if (h->avctx->colorspace != sps->colorspace) needs_reinit = 1; - h->avctx->color_primaries = h->sps.color_primaries; - h->avctx->color_trc = h->sps.color_trc; - h->avctx->colorspace = h->sps.colorspace; + h->avctx->color_primaries = sps->color_primaries; + h->avctx->color_trc = sps->color_trc; + h->avctx->colorspace = sps->colorspace; } } - if (h->context_initialized && needs_reinit) { - if (h != h0) { + if (!h->context_initialized || needs_reinit) { + h->context_initialized = 0; + if (sl != h->slice_ctx) { av_log(h->avctx, AV_LOG_ERROR, "changing width %d -> %d / height %d -> %d on " "slice %d\n", h->width, h->avctx->coded_width, h->height, h->avctx->coded_height, - h0->current_slice + 1); + h->current_slice + 1); return AVERROR_INVALIDDATA; } @@ -1323,284 +973,486 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex return ret; h->avctx->pix_fmt = ret; - av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, " + av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, " "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt); - if ((ret = h264_slice_header_init(h, 1)) < 0) { + if ((ret = h264_slice_header_init(h)) < 0) { av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed\n"); return ret; } } - if (!h->context_initialized) { - if (h != h0) { - av_log(h->avctx, AV_LOG_ERROR, - "Cannot (re-)initialize context during parallel decoding.\n"); - return AVERROR_PATCHWELCOME; - } - if ((ret = get_pixel_format(h)) < 0) - return ret; - h->avctx->pix_fmt = ret; + return 0; +} - if ((ret = h264_slice_header_init(h, 0)) < 0) { - av_log(h->avctx, AV_LOG_ERROR, - "h264_slice_header_init() failed\n"); - return ret; +static int h264_export_frame_props(H264Context *h) +{ + const SPS *sps = h->ps.sps; + H264Picture *cur = h->cur_pic_ptr; + + cur->f->interlaced_frame = 0; + cur->f->repeat_pict = 0; + + /* Signal interlacing information externally. */ + /* Prioritize picture timing SEI information over used + * decoding process if it exists. */ + + if (sps->pic_struct_present_flag) { + H264SEIPictureTiming *pt = &h->sei.picture_timing; + switch (pt->pic_struct) { + case SEI_PIC_STRUCT_FRAME: + break; + case SEI_PIC_STRUCT_TOP_FIELD: + case SEI_PIC_STRUCT_BOTTOM_FIELD: + cur->f->interlaced_frame = 1; + break; + case SEI_PIC_STRUCT_TOP_BOTTOM: + case SEI_PIC_STRUCT_BOTTOM_TOP: + if (FIELD_OR_MBAFF_PICTURE(h)) + cur->f->interlaced_frame = 1; + else + // try to flag soft telecine progressive + cur->f->interlaced_frame = h->prev_interlaced_frame; + break; + case SEI_PIC_STRUCT_TOP_BOTTOM_TOP: + case SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM: + /* Signal the possibility of telecined film externally + * (pic_struct 5,6). From these hints, let the applications + * decide if they apply deinterlacing. */ + cur->f->repeat_pict = 1; + break; + case SEI_PIC_STRUCT_FRAME_DOUBLING: + cur->f->repeat_pict = 2; + break; + case SEI_PIC_STRUCT_FRAME_TRIPLING: + cur->f->repeat_pict = 4; + break; } - } - if (h == h0 && h->dequant_coeff_pps != pps_id) { - h->dequant_coeff_pps = pps_id; - h264_init_dequant_tables(h); + if ((pt->ct_type & 3) && + pt->pic_struct <= SEI_PIC_STRUCT_BOTTOM_TOP) + cur->f->interlaced_frame = (pt->ct_type & (1 << 1)) != 0; + } else { + /* Derive interlacing flag from used decoding process. */ + cur->f->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h); } + h->prev_interlaced_frame = cur->f->interlaced_frame; - h->frame_num = get_bits(&h->gb, h->sps.log2_max_frame_num); - - h->mb_mbaff = 0; - h->mb_aff_frame = 0; - last_pic_structure = h0->picture_structure; - last_pic_droppable = h0->droppable; - h->droppable = h->nal_ref_idc == 0; - if (h->sps.frame_mbs_only_flag) { - h->picture_structure = PICT_FRAME; + if (cur->field_poc[0] != cur->field_poc[1]) { + /* Derive top_field_first from field pocs. */ + cur->f->top_field_first = cur->field_poc[0] < cur->field_poc[1]; } else { - field_pic_flag = get_bits1(&h->gb); - if (field_pic_flag) { - bottom_field_flag = get_bits1(&h->gb); - h->picture_structure = PICT_TOP_FIELD + bottom_field_flag; + if (cur->f->interlaced_frame || sps->pic_struct_present_flag) { + /* Use picture timing SEI information. Even if it is a + * information of a past frame, better than nothing. */ + if (h->sei.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM || + h->sei.picture_timing.pic_struct == SEI_PIC_STRUCT_TOP_BOTTOM_TOP) + cur->f->top_field_first = 1; + else + cur->f->top_field_first = 0; } else { - h->picture_structure = PICT_FRAME; - h->mb_aff_frame = h->sps.mb_aff; + /* Most likely progressive */ + cur->f->top_field_first = 0; } } - h->mb_field_decoding_flag = h->picture_structure != PICT_FRAME; - if (h0->current_slice != 0) { - if (last_pic_structure != h->picture_structure || - last_pic_droppable != h->droppable) { - av_log(h->avctx, AV_LOG_ERROR, - "Changing field mode (%d -> %d) between slices is not allowed\n", - last_pic_structure, h->picture_structure); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_INVALIDDATA; - } else if (!h0->cur_pic_ptr) { - av_log(h->avctx, AV_LOG_ERROR, - "unset cur_pic_ptr on slice %d\n", - h0->current_slice + 1); - return AVERROR_INVALIDDATA; + if (h->sei.frame_packing.present && + h->sei.frame_packing.arrangement_type >= 0 && + h->sei.frame_packing.arrangement_type <= 6 && + h->sei.frame_packing.content_interpretation_type > 0 && + h->sei.frame_packing.content_interpretation_type < 3) { + H264SEIFramePacking *fp = &h->sei.frame_packing; + AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f); + if (!stereo) + return AVERROR(ENOMEM); + + switch (fp->arrangement_type) { + case 0: + stereo->type = AV_STEREO3D_CHECKERBOARD; + break; + case 1: + stereo->type = AV_STEREO3D_COLUMNS; + break; + case 2: + stereo->type = AV_STEREO3D_LINES; + break; + case 3: + if (fp->quincunx_subsampling) + stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX; + else + stereo->type = AV_STEREO3D_SIDEBYSIDE; + break; + case 4: + stereo->type = AV_STEREO3D_TOPBOTTOM; + break; + case 5: + stereo->type = AV_STEREO3D_FRAMESEQUENCE; + break; + case 6: + stereo->type = AV_STEREO3D_2D; + break; } - } else { - /* Shorten frame num gaps so we don't have to allocate reference - * frames just to throw them away */ - if (h->frame_num != h->prev_frame_num) { - int unwrap_prev_frame_num = h->prev_frame_num; - int max_frame_num = 1 << h->sps.log2_max_frame_num; - if (unwrap_prev_frame_num > h->frame_num) - unwrap_prev_frame_num -= max_frame_num; + if (fp->content_interpretation_type == 2) + stereo->flags = AV_STEREO3D_FLAG_INVERT; + } - if ((h->frame_num - unwrap_prev_frame_num) > h->sps.ref_frame_count) { - unwrap_prev_frame_num = (h->frame_num - h->sps.ref_frame_count) - 1; - if (unwrap_prev_frame_num < 0) - unwrap_prev_frame_num += max_frame_num; + if (h->sei.display_orientation.present && + (h->sei.display_orientation.anticlockwise_rotation || + h->sei.display_orientation.hflip || + h->sei.display_orientation.vflip)) { + H264SEIDisplayOrientation *o = &h->sei.display_orientation; + double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16); + AVFrameSideData *rotation = av_frame_new_side_data(cur->f, + AV_FRAME_DATA_DISPLAYMATRIX, + sizeof(int32_t) * 9); + if (!rotation) + return AVERROR(ENOMEM); - h->prev_frame_num = unwrap_prev_frame_num; - } + av_display_rotation_set((int32_t *)rotation->data, angle); + av_display_matrix_flip((int32_t *)rotation->data, + o->hflip, o->vflip); + } + + if (h->sei.afd.present) { + AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD, + sizeof(uint8_t)); + if (!sd) + return AVERROR(ENOMEM); + + *sd->data = h->sei.afd.active_format_description; + h->sei.afd.present = 0; + } + + if (h->sei.a53_caption.a53_caption) { + H264SEIA53Caption *a53 = &h->sei.a53_caption; + AVFrameSideData *sd = av_frame_new_side_data(cur->f, + AV_FRAME_DATA_A53_CC, + a53->a53_caption_size); + if (!sd) + return AVERROR(ENOMEM); + + memcpy(sd->data, a53->a53_caption, a53->a53_caption_size); + av_freep(&a53->a53_caption); + a53->a53_caption_size = 0; + } + + return 0; +} + +/* This function is called right after decoding the slice header for a first + * slice in a field (or a frame). It decides whether we are decoding a new frame + * or a second field in a pair and does the necessary setup. + */ +static int h264_field_start(H264Context *h, const H264SliceContext *sl, + const H2645NAL *nal) +{ + const SPS *sps; + + int last_pic_structure, last_pic_droppable, ret; + + ret = h264_init_ps(h, sl); + if (ret < 0) + return ret; + + sps = h->ps.sps; + + last_pic_droppable = h->droppable; + last_pic_structure = h->picture_structure; + h->droppable = (nal->ref_idc == 0); + h->picture_structure = sl->picture_structure; + + h->poc.frame_num = sl->frame_num; + h->poc.poc_lsb = sl->poc_lsb; + h->poc.delta_poc_bottom = sl->delta_poc_bottom; + h->poc.delta_poc[0] = sl->delta_poc[0]; + h->poc.delta_poc[1] = sl->delta_poc[1]; + + /* Shorten frame num gaps so we don't have to allocate reference + * frames just to throw them away */ + if (h->poc.frame_num != h->poc.prev_frame_num) { + int unwrap_prev_frame_num = h->poc.prev_frame_num; + int max_frame_num = 1 << sps->log2_max_frame_num; + + if (unwrap_prev_frame_num > h->poc.frame_num) + unwrap_prev_frame_num -= max_frame_num; + + if ((h->poc.frame_num - unwrap_prev_frame_num) > sps->ref_frame_count) { + unwrap_prev_frame_num = (h->poc.frame_num - sps->ref_frame_count) - 1; + if (unwrap_prev_frame_num < 0) + unwrap_prev_frame_num += max_frame_num; + + h->poc.prev_frame_num = unwrap_prev_frame_num; } + } - /* See if we have a decoded first field looking for a pair... - * Here, we're using that to see if we should mark previously - * decode frames as "finished". - * We have to do that before the "dummy" in-between frame allocation, - * since that can modify s->current_picture_ptr. */ - if (h0->first_field) { - assert(h0->cur_pic_ptr); - assert(h0->cur_pic_ptr->f.buf[0]); - assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF); - - /* figure out if we have a complementary field pair */ - if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { - /* Previous field is unmatched. Don't display it, but let it - * remain for reference if marked as such. */ + /* See if we have a decoded first field looking for a pair... + * Here, we're using that to see if we should mark previously + * decode frames as "finished". + * We have to do that before the "dummy" in-between frame allocation, + * since that can modify s->current_picture_ptr. */ + if (h->first_field) { + assert(h->cur_pic_ptr); + assert(h->cur_pic_ptr->f->buf[0]); + assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF); + + /* figure out if we have a complementary field pair */ + if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { + /* Previous field is unmatched. Don't display it, but let it + * remain for reference if marked as such. */ + if (!last_pic_droppable && last_pic_structure != PICT_FRAME) { + ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, + last_pic_structure == PICT_TOP_FIELD); + } + } else { + if (h->cur_pic_ptr->frame_num != h->poc.frame_num) { + /* This and previous field were reference, but had + * different frame_nums. Consider this field first in + * pair. Throw away previous field except for reference + * purposes. */ if (!last_pic_droppable && last_pic_structure != PICT_FRAME) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, + ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, last_pic_structure == PICT_TOP_FIELD); } } else { - if (h0->cur_pic_ptr->frame_num != h->frame_num) { - /* This and previous field were reference, but had - * different frame_nums. Consider this field first in - * pair. Throw away previous field except for reference - * purposes. */ - if (!last_pic_droppable && last_pic_structure != PICT_FRAME) { - ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX, - last_pic_structure == PICT_TOP_FIELD); - } - } else { - /* Second field in complementary pair */ - if (!((last_pic_structure == PICT_TOP_FIELD && - h->picture_structure == PICT_BOTTOM_FIELD) || - (last_pic_structure == PICT_BOTTOM_FIELD && - h->picture_structure == PICT_TOP_FIELD))) { - av_log(h->avctx, AV_LOG_ERROR, - "Invalid field mode combination %d/%d\n", - last_pic_structure, h->picture_structure); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_INVALIDDATA; - } else if (last_pic_droppable != h->droppable) { - avpriv_request_sample(h->avctx, - "Found reference and non-reference fields in the same frame, which"); - h->picture_structure = last_pic_structure; - h->droppable = last_pic_droppable; - return AVERROR_PATCHWELCOME; - } + /* Second field in complementary pair */ + if (!((last_pic_structure == PICT_TOP_FIELD && + h->picture_structure == PICT_BOTTOM_FIELD) || + (last_pic_structure == PICT_BOTTOM_FIELD && + h->picture_structure == PICT_TOP_FIELD))) { + av_log(h->avctx, AV_LOG_ERROR, + "Invalid field mode combination %d/%d\n", + last_pic_structure, h->picture_structure); + h->picture_structure = last_pic_structure; + h->droppable = last_pic_droppable; + return AVERROR_INVALIDDATA; + } else if (last_pic_droppable != h->droppable) { + avpriv_request_sample(h->avctx, + "Found reference and non-reference fields in the same frame, which"); + h->picture_structure = last_pic_structure; + h->droppable = last_pic_droppable; + return AVERROR_PATCHWELCOME; } } } + } - while (h->frame_num != h->prev_frame_num && - h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) { - H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL; - av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", - h->frame_num, h->prev_frame_num); - ret = h264_frame_start(h); - if (ret < 0) { - h0->first_field = 0; - return ret; - } + while (h->poc.frame_num != h->poc.prev_frame_num && + h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) { + H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL; + av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", + h->poc.frame_num, h->poc.prev_frame_num); + ret = initialize_cur_frame(h); + if (ret < 0) { + h->first_field = 0; + return ret; + } - h->prev_frame_num++; - h->prev_frame_num %= 1 << h->sps.log2_max_frame_num; - h->cur_pic_ptr->frame_num = h->prev_frame_num; - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0); - ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1); - ret = ff_generate_sliding_window_mmcos(h, 1); - if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) - return ret; - ret = ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index); - if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) - return ret; - /* Error concealment: If a ref is missing, copy the previous ref - * in its place. - * FIXME: Avoiding a memcpy would be nice, but ref handling makes - * many assumptions about there being no actual duplicates. - * FIXME: This does not copy padding for out-of-frame motion - * vectors. Given we are concealing a lost frame, this probably - * is not noticeable by comparison, but it should be fixed. */ - if (h->short_ref_count) { - if (prev) { - av_image_copy(h->short_ref[0]->f.data, - h->short_ref[0]->f.linesize, - (const uint8_t **)prev->f.data, - prev->f.linesize, - h->avctx->pix_fmt, - h->mb_width * 16, - h->mb_height * 16); - h->short_ref[0]->poc = prev->poc + 2; - } - h->short_ref[0]->frame_num = h->prev_frame_num; + h->poc.prev_frame_num++; + h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num; + h->cur_pic_ptr->frame_num = h->poc.prev_frame_num; + ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0); + ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1); + + h->explicit_ref_marking = 0; + ret = ff_h264_execute_ref_pic_marking(h); + if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) + return ret; + /* Error concealment: If a ref is missing, copy the previous ref + * in its place. + * FIXME: Avoiding a memcpy would be nice, but ref handling makes + * many assumptions about there being no actual duplicates. + * FIXME: This does not copy padding for out-of-frame motion + * vectors. Given we are concealing a lost frame, this probably + * is not noticeable by comparison, but it should be fixed. */ + if (h->short_ref_count) { + if (prev && + h->short_ref[0]->f->width == prev->f->width && + h->short_ref[0]->f->height == prev->f->height && + h->short_ref[0]->f->format == prev->f->format) { + av_image_copy(h->short_ref[0]->f->data, + h->short_ref[0]->f->linesize, + (const uint8_t **)prev->f->data, + prev->f->linesize, + prev->f->format, + h->mb_width * 16, + h->mb_height * 16); + h->short_ref[0]->poc = prev->poc + 2; } + h->short_ref[0]->frame_num = h->poc.prev_frame_num; } + } - /* See if we have a decoded first field looking for a pair... - * We're using that to see whether to continue decoding in that - * frame, or to allocate a new one. */ - if (h0->first_field) { - assert(h0->cur_pic_ptr); - assert(h0->cur_pic_ptr->f.buf[0]); - assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF); - - /* figure out if we have a complementary field pair */ - if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { - /* Previous field is unmatched. Don't display it, but let it - * remain for reference if marked as such. */ - h0->cur_pic_ptr = NULL; - h0->first_field = FIELD_PICTURE(h); + /* See if we have a decoded first field looking for a pair... + * We're using that to see whether to continue decoding in that + * frame, or to allocate a new one. */ + if (h->first_field) { + assert(h->cur_pic_ptr); + assert(h->cur_pic_ptr->f->buf[0]); + assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF); + + /* figure out if we have a complementary field pair */ + if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) { + /* Previous field is unmatched. Don't display it, but let it + * remain for reference if marked as such. */ + h->cur_pic_ptr = NULL; + h->first_field = FIELD_PICTURE(h); + } else { + if (h->cur_pic_ptr->frame_num != h->poc.frame_num) { + /* This and the previous field had different frame_nums. + * Consider this field first in pair. Throw away previous + * one except for reference purposes. */ + h->first_field = 1; + h->cur_pic_ptr = NULL; } else { - if (h0->cur_pic_ptr->frame_num != h->frame_num) { - /* This and the previous field had different frame_nums. - * Consider this field first in pair. Throw away previous - * one except for reference purposes. */ - h0->first_field = 1; - h0->cur_pic_ptr = NULL; - } else { - /* Second field in complementary pair */ - h0->first_field = 0; - } + /* Second field in complementary pair */ + h->first_field = 0; } - } else { - /* Frame or first field in a potentially complementary pair */ - h0->first_field = FIELD_PICTURE(h); } + } else { + /* Frame or first field in a potentially complementary pair */ + h->first_field = FIELD_PICTURE(h); + } - if (!FIELD_PICTURE(h) || h0->first_field) { - if (h264_frame_start(h) < 0) { - h0->first_field = 0; - return AVERROR_INVALIDDATA; - } - } else { - release_unused_pictures(h, 0); + if (!FIELD_PICTURE(h) || h->first_field) { + if (h264_frame_start(h) < 0) { + h->first_field = 0; + return AVERROR_INVALIDDATA; } + } else { + release_unused_pictures(h, 0); } - if (h != h0 && (ret = clone_slice(h, h0)) < 0) - return ret; - h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup + ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc, + h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc); - assert(h->mb_num == h->mb_width * h->mb_height); - if (first_mb_in_slice << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num || - first_mb_in_slice >= h->mb_num) { - av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n"); + memcpy(h->mmco, sl->mmco, sl->nb_mmco * sizeof(*h->mmco)); + h->nb_mmco = sl->nb_mmco; + h->explicit_ref_marking = sl->explicit_ref_marking; + + /* Set the frame properties/side data. Only done for the second field in + * field coded frames, since some SEI information is present for each field + * and is merged by the SEI parsing code. */ + if (!FIELD_PICTURE(h) || !h->first_field) { + ret = h264_export_frame_props(h); + if (ret < 0) + return ret; + } + + return 0; +} + +static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl, + const H2645NAL *nal) +{ + const SPS *sps; + const PPS *pps; + int ret; + unsigned int slice_type, tmp, i; + int field_pic_flag, bottom_field_flag; + int droppable, picture_structure; + + sl->first_mb_addr = get_ue_golomb(&sl->gb); + + slice_type = get_ue_golomb_31(&sl->gb); + if (slice_type > 9) { + av_log(h->avctx, AV_LOG_ERROR, + "slice type %d too large at %d\n", + slice_type, sl->first_mb_addr); return AVERROR_INVALIDDATA; } - h->resync_mb_x = h->mb_x = first_mb_in_slice % h->mb_width; - h->resync_mb_y = h->mb_y = (first_mb_in_slice / h->mb_width) << - FIELD_OR_MBAFF_PICTURE(h); - if (h->picture_structure == PICT_BOTTOM_FIELD) - h->resync_mb_y = h->mb_y = h->mb_y + 1; - assert(h->mb_y < h->mb_height); + if (slice_type > 4) { + slice_type -= 5; + sl->slice_type_fixed = 1; + } else + sl->slice_type_fixed = 0; + + slice_type = ff_h264_golomb_to_pict_type[slice_type]; + sl->slice_type = slice_type; + sl->slice_type_nos = slice_type & 3; - if (h->picture_structure == PICT_FRAME) { - h->curr_pic_num = h->frame_num; - h->max_pic_num = 1 << h->sps.log2_max_frame_num; + if (nal->type == NAL_IDR_SLICE && + sl->slice_type_nos != AV_PICTURE_TYPE_I) { + av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n"); + return AVERROR_INVALIDDATA; + } + + sl->pps_id = get_ue_golomb(&sl->gb); + if (sl->pps_id >= MAX_PPS_COUNT) { + av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id); + return AVERROR_INVALIDDATA; + } + if (!h->ps.pps_list[sl->pps_id]) { + av_log(h->avctx, AV_LOG_ERROR, + "non-existing PPS %u referenced\n", + sl->pps_id); + return AVERROR_INVALIDDATA; + } + pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data; + + if (!h->ps.sps_list[pps->sps_id]) { + av_log(h->avctx, AV_LOG_ERROR, + "non-existing SPS %u referenced\n", pps->sps_id); + return AVERROR_INVALIDDATA; + } + sps = (const SPS*)h->ps.sps_list[pps->sps_id]->data; + + sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num); + + sl->mb_mbaff = 0; + + droppable = nal->ref_idc == 0; + if (sps->frame_mbs_only_flag) { + picture_structure = PICT_FRAME; } else { - h->curr_pic_num = 2 * h->frame_num + 1; - h->max_pic_num = 1 << (h->sps.log2_max_frame_num + 1); + field_pic_flag = get_bits1(&sl->gb); + if (field_pic_flag) { + bottom_field_flag = get_bits1(&sl->gb); + picture_structure = PICT_TOP_FIELD + bottom_field_flag; + } else { + picture_structure = PICT_FRAME; + } } + sl->picture_structure = picture_structure; + sl->mb_field_decoding_flag = picture_structure != PICT_FRAME; - if (h->nal_unit_type == NAL_IDR_SLICE) - get_ue_golomb(&h->gb); /* idr_pic_id */ + if (picture_structure == PICT_FRAME) { + sl->curr_pic_num = sl->frame_num; + sl->max_pic_num = 1 << sps->log2_max_frame_num; + } else { + sl->curr_pic_num = 2 * sl->frame_num + 1; + sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1); + } + + if (nal->type == NAL_IDR_SLICE) + get_ue_golomb(&sl->gb); /* idr_pic_id */ - if (h->sps.poc_type == 0) { - h->poc_lsb = get_bits(&h->gb, h->sps.log2_max_poc_lsb); + if (sps->poc_type == 0) { + sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb); - if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) - h->delta_poc_bottom = get_se_golomb(&h->gb); + if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME) + sl->delta_poc_bottom = get_se_golomb(&sl->gb); } - if (h->sps.poc_type == 1 && !h->sps.delta_pic_order_always_zero_flag) { - h->delta_poc[0] = get_se_golomb(&h->gb); + if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) { + sl->delta_poc[0] = get_se_golomb(&sl->gb); - if (h->pps.pic_order_present == 1 && h->picture_structure == PICT_FRAME) - h->delta_poc[1] = get_se_golomb(&h->gb); + if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME) + sl->delta_poc[1] = get_se_golomb(&sl->gb); } - ff_init_poc(h, h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc); + if (pps->redundant_pic_cnt_present) + sl->redundant_pic_count = get_ue_golomb(&sl->gb); - if (h->pps.redundant_pic_cnt_present) - h->redundant_pic_count = get_ue_golomb(&h->gb); + if (sl->slice_type_nos == AV_PICTURE_TYPE_B) + sl->direct_spatial_mv_pred = get_bits1(&sl->gb); - ret = ff_set_ref_count(h, sl); + ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count, + &sl->gb, pps, sl->slice_type_nos, + picture_structure); if (ret < 0) return ret; - else if (ret == 1) - default_ref_list_done = 0; - - if (!default_ref_list_done) - ff_h264_fill_default_ref_list(h, sl); if (sl->slice_type_nos != AV_PICTURE_TYPE_I) { ret = ff_h264_decode_ref_pic_list_reordering(h, sl); @@ -1610,138 +1462,197 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex } } - if ((h->pps.weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) || - (h->pps.weighted_bipred_idc == 1 && - sl->slice_type_nos == AV_PICTURE_TYPE_B)) - ff_pred_weight_table(h, sl); - else if (h->pps.weighted_bipred_idc == 2 && - sl->slice_type_nos == AV_PICTURE_TYPE_B) { - implicit_weight_table(h, sl, -1); - } else { - sl->use_weight = 0; - for (i = 0; i < 2; i++) { - sl->luma_weight_flag[i] = 0; - sl->chroma_weight_flag[i] = 0; - } + sl->pwt.use_weight = 0; + for (i = 0; i < 2; i++) { + sl->pwt.luma_weight_flag[i] = 0; + sl->pwt.chroma_weight_flag[i] = 0; } + if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) || + (pps->weighted_bipred_idc == 1 && + sl->slice_type_nos == AV_PICTURE_TYPE_B)) + ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count, + sl->slice_type_nos, &sl->pwt); - // If frame-mt is enabled, only update mmco tables for the first slice - // in a field. Subsequent slices can temporarily clobber h->mmco_index - // or h->mmco, which will cause ref list mix-ups and decoding errors - // further down the line. This may break decoding if the first slice is - // corrupt, thus we only do this if frame-mt is enabled. - if (h->nal_ref_idc) { - ret = ff_h264_decode_ref_pic_marking(h0, &h->gb, - !(h->avctx->active_thread_type & FF_THREAD_FRAME) || - h0->current_slice == 0); + sl->explicit_ref_marking = 0; + if (nal->ref_idc) { + ret = ff_h264_decode_ref_pic_marking(h, sl, &sl->gb); if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE)) return AVERROR_INVALIDDATA; } - if (FRAME_MBAFF(h)) { - ff_h264_fill_mbaff_ref_list(h, sl); - - if (h->pps.weighted_bipred_idc == 2 && sl->slice_type_nos == AV_PICTURE_TYPE_B) { - implicit_weight_table(h, sl, 0); - implicit_weight_table(h, sl, 1); - } - } - - if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred) - ff_h264_direct_dist_scale_factor(h, sl); - ff_h264_direct_ref_list_init(h, sl); - - if (sl->slice_type_nos != AV_PICTURE_TYPE_I && h->pps.cabac) { - tmp = get_ue_golomb_31(&h->gb); + if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) { + tmp = get_ue_golomb_31(&sl->gb); if (tmp > 2) { av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp); return AVERROR_INVALIDDATA; } - h->cabac_init_idc = tmp; + sl->cabac_init_idc = tmp; } sl->last_qscale_diff = 0; - tmp = h->pps.init_qp + get_se_golomb(&h->gb); - if (tmp > 51 + 6 * (h->sps.bit_depth_luma - 8)) { + tmp = pps->init_qp + get_se_golomb(&sl->gb); + if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) { av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp); return AVERROR_INVALIDDATA; } sl->qscale = tmp; - sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale); - sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale); + sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale); + sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale); // FIXME qscale / qp ... stuff if (sl->slice_type == AV_PICTURE_TYPE_SP) - get_bits1(&h->gb); /* sp_for_switch_flag */ + get_bits1(&sl->gb); /* sp_for_switch_flag */ if (sl->slice_type == AV_PICTURE_TYPE_SP || sl->slice_type == AV_PICTURE_TYPE_SI) - get_se_golomb(&h->gb); /* slice_qs_delta */ + get_se_golomb(&sl->gb); /* slice_qs_delta */ - h->deblocking_filter = 1; - h->slice_alpha_c0_offset = 0; - h->slice_beta_offset = 0; - if (h->pps.deblocking_filter_parameters_present) { - tmp = get_ue_golomb_31(&h->gb); + sl->deblocking_filter = 1; + sl->slice_alpha_c0_offset = 0; + sl->slice_beta_offset = 0; + if (pps->deblocking_filter_parameters_present) { + tmp = get_ue_golomb_31(&sl->gb); if (tmp > 2) { av_log(h->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp); return AVERROR_INVALIDDATA; } - h->deblocking_filter = tmp; - if (h->deblocking_filter < 2) - h->deblocking_filter ^= 1; // 1<->0 - - if (h->deblocking_filter) { - h->slice_alpha_c0_offset = get_se_golomb(&h->gb) * 2; - h->slice_beta_offset = get_se_golomb(&h->gb) * 2; - if (h->slice_alpha_c0_offset > 12 || - h->slice_alpha_c0_offset < -12 || - h->slice_beta_offset > 12 || - h->slice_beta_offset < -12) { + sl->deblocking_filter = tmp; + if (sl->deblocking_filter < 2) + sl->deblocking_filter ^= 1; // 1<->0 + + if (sl->deblocking_filter) { + sl->slice_alpha_c0_offset = get_se_golomb(&sl->gb) * 2; + sl->slice_beta_offset = get_se_golomb(&sl->gb) * 2; + if (sl->slice_alpha_c0_offset > 12 || + sl->slice_alpha_c0_offset < -12 || + sl->slice_beta_offset > 12 || + sl->slice_beta_offset < -12) { av_log(h->avctx, AV_LOG_ERROR, "deblocking filter parameters %d %d out of range\n", - h->slice_alpha_c0_offset, h->slice_beta_offset); + sl->slice_alpha_c0_offset, sl->slice_beta_offset); return AVERROR_INVALIDDATA; } } } + return 0; +} + +/** + * Decode a slice header. + * This will (re)initialize the decoder and call h264_frame_start() as needed. + * + * @param h h264context + * + * @return 0 if okay, <0 if an error occurred + */ +int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, + const H2645NAL *nal) +{ + int i, j, ret = 0; + + ret = h264_slice_header_parse(h, sl, nal); + if (ret < 0) + return ret; + + if (!h->setup_finished) { + if (sl->first_mb_addr == 0) { // FIXME better field boundary detection + if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) { + ff_h264_field_end(h, sl, 1); + } + + h->current_slice = 0; + if (!h->first_field) { + if (h->cur_pic_ptr && !h->droppable) { + ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, + h->picture_structure == PICT_BOTTOM_FIELD); + } + h->cur_pic_ptr = NULL; + } + } + + if (h->current_slice == 0) { + ret = h264_field_start(h, sl, nal); + if (ret < 0) + return ret; + } + } + + if (h->current_slice > 0) { + if (h->ps.pps != (const PPS*)h->ps.pps_list[sl->pps_id]->data) { + av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n"); + return AVERROR_INVALIDDATA; + } + + if (h->picture_structure != sl->picture_structure || + h->droppable != (nal->ref_idc == 0)) { + av_log(h->avctx, AV_LOG_ERROR, + "Changing field mode (%d -> %d) between slices is not allowed\n", + h->picture_structure, sl->picture_structure); + return AVERROR_INVALIDDATA; + } else if (!h->cur_pic_ptr) { + av_log(h->avctx, AV_LOG_ERROR, + "unset cur_pic_ptr on slice %d\n", + h->current_slice + 1); + return AVERROR_INVALIDDATA; + } + } + + assert(h->mb_num == h->mb_width * h->mb_height); + if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num || + sl->first_mb_addr >= h->mb_num) { + av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n"); + return AVERROR_INVALIDDATA; + } + sl->resync_mb_x = sl->mb_x = sl->first_mb_addr % h->mb_width; + sl->resync_mb_y = sl->mb_y = (sl->first_mb_addr / h->mb_width) << + FIELD_OR_MBAFF_PICTURE(h); + if (h->picture_structure == PICT_BOTTOM_FIELD) + sl->resync_mb_y = sl->mb_y = sl->mb_y + 1; + assert(sl->mb_y < h->mb_height); + + ret = ff_h264_build_ref_list(h, sl); + if (ret < 0) + return ret; + + if (h->ps.pps->weighted_bipred_idc == 2 && + sl->slice_type_nos == AV_PICTURE_TYPE_B) { + implicit_weight_table(h, sl, -1); + if (FRAME_MBAFF(h)) { + implicit_weight_table(h, sl, 0); + implicit_weight_table(h, sl, 1); + } + } + + if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred) + ff_h264_direct_dist_scale_factor(h, sl); + ff_h264_direct_ref_list_init(h, sl); + if (h->avctx->skip_loop_filter >= AVDISCARD_ALL || (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY && sl->slice_type_nos != AV_PICTURE_TYPE_I) || (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) || (h->avctx->skip_loop_filter >= AVDISCARD_NONREF && - h->nal_ref_idc == 0)) - h->deblocking_filter = 0; + nal->ref_idc == 0)) + sl->deblocking_filter = 0; - if (h->deblocking_filter == 1 && h0->max_contexts > 1) { - if (h->avctx->flags2 & CODEC_FLAG2_FAST) { + if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) { + if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) { /* Cheat slightly for speed: * Do not bother to deblock across slices. */ - h->deblocking_filter = 2; + sl->deblocking_filter = 2; } else { - h0->max_contexts = 1; - if (!h0->single_decode_warning) { - av_log(h->avctx, AV_LOG_INFO, - "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n"); - h0->single_decode_warning = 1; - } - if (h != h0) { - av_log(h->avctx, AV_LOG_ERROR, - "Deblocking switched inside frame.\n"); - return 1; - } + h->postpone_filter = 1; } } sl->qp_thresh = 15 - - FFMIN(h->slice_alpha_c0_offset, h->slice_beta_offset) - + FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) - FFMAX3(0, - h->pps.chroma_qp_index_offset[0], - h->pps.chroma_qp_index_offset[1]) + - 6 * (h->sps.bit_depth_luma - 8); + h->ps.pps->chroma_qp_index_offset[0], + h->ps.pps->chroma_qp_index_offset[1]) + + 6 * (h->ps.sps->bit_depth_luma - 8); - h0->last_slice_type = slice_type; - sl->slice_num = ++h0->current_slice; + sl->slice_num = ++h->current_slice; if (sl->slice_num >= MAX_SLICES) { av_log(h->avctx, AV_LOG_ERROR, "Too many slices, increase MAX_SLICES and recompile\n"); @@ -1749,20 +1660,20 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex for (j = 0; j < 2; j++) { int id_list[16]; - int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j]; + int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j]; for (i = 0; i < 16; i++) { id_list[i] = 60; if (j < sl->list_count && i < sl->ref_count[j] && - sl->ref_list[j][i].f.buf[0]) { + sl->ref_list[j][i].parent->f->buf[0]) { int k; - AVBuffer *buf = sl->ref_list[j][i].f.buf[0]->buffer; + AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer; for (k = 0; k < h->short_ref_count; k++) - if (h->short_ref[k]->f.buf[0]->buffer == buf) { + if (h->short_ref[k]->f->buf[0]->buffer == buf) { id_list[i] = k; break; } for (k = 0; k < h->long_ref_count; k++) - if (h->long_ref[k] && h->long_ref[k]->f.buf[0]->buffer == buf) { + if (h->long_ref[k] && h->long_ref[k]->f->buf[0]->buffer == buf) { id_list[i] = h->short_ref_count + k; break; } @@ -1782,22 +1693,22 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl, H264Contex if (h->avctx->debug & FF_DEBUG_PICT_INFO) { av_log(h->avctx, AV_LOG_DEBUG, - "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n", + "slice:%d %s mb:%d %c%s%s frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n", sl->slice_num, (h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"), - first_mb_in_slice, + sl->mb_y * h->mb_width + sl->mb_x, av_get_picture_type_char(sl->slice_type), sl->slice_type_fixed ? " fix" : "", - h->nal_unit_type == NAL_IDR_SLICE ? " IDR" : "", - pps_id, h->frame_num, + nal->type == NAL_IDR_SLICE ? " IDR" : "", + h->poc.frame_num, h->cur_pic_ptr->field_poc[0], h->cur_pic_ptr->field_poc[1], sl->ref_count[0], sl->ref_count[1], sl->qscale, - h->deblocking_filter, - h->slice_alpha_c0_offset, h->slice_beta_offset, - sl->use_weight, - sl->use_weight == 1 && sl->use_weight_chroma ? "c" : "", + sl->deblocking_filter, + sl->slice_alpha_c0_offset, sl->slice_beta_offset, + sl->pwt.use_weight, + sl->pwt.use_weight == 1 && sl->pwt.use_weight_chroma ? "c" : "", sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : ""); } @@ -1822,7 +1733,7 @@ int ff_h264_get_slice_type(const H264SliceContext *sl) } } -static av_always_inline void fill_filter_caches_inter(H264Context *h, +static av_always_inline void fill_filter_caches_inter(const H264Context *h, H264SliceContext *sl, int mb_type, int top_xy, int left_xy[LEFT_MBS], @@ -1837,7 +1748,7 @@ static av_always_inline void fill_filter_caches_inter(H264Context *h, if (USES_LIST(top_type, list)) { const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride; const int b8_xy = 4 * top_xy + 2; - int (*ref2frm)[64] = sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2); + int (*ref2frm)[64] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2); AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]); ref_cache[0 - 1 * 8] = ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]]; @@ -1852,7 +1763,7 @@ static av_always_inline void fill_filter_caches_inter(H264Context *h, if (USES_LIST(left_type[LTOP], list)) { const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3; const int b8_xy = 4 * left_xy[LTOP] + 1; - int (*ref2frm)[64] = sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2); + int (*ref2frm)[64] = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2); AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]); AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]); AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]); @@ -1885,7 +1796,7 @@ static av_always_inline void fill_filter_caches_inter(H264Context *h, { int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy]; - int (*ref2frm)[64] = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2); + int (*ref2frm)[64] = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2); uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101; uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101; AV_WN32A(&ref_cache[0 * 8], ref01); @@ -1895,7 +1806,7 @@ static av_always_inline void fill_filter_caches_inter(H264Context *h, } { - int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * h->mb_x + 4 * h->mb_y * b_stride]; + int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * sl->mb_x + 4 * sl->mb_y * b_stride]; AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride); AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride); AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride); @@ -1904,27 +1815,23 @@ static av_always_inline void fill_filter_caches_inter(H264Context *h, } /** - * * @return non zero if the loop filter can be skipped */ -static int fill_filter_caches(H264Context *h, H264SliceContext *sl, int mb_type) +static int fill_filter_caches(const H264Context *h, H264SliceContext *sl, int mb_type) { - const int mb_xy = h->mb_xy; + const int mb_xy = sl->mb_xy; int top_xy, left_xy[LEFT_MBS]; int top_type, left_type[LEFT_MBS]; uint8_t *nnz; uint8_t *nnz_cache; - top_xy = mb_xy - (h->mb_stride << MB_FIELD(h)); - - /* Wow, what a mess, why didn't they simplify the interlacing & intra - * stuff, I can't imagine that these complex rules are worth it. */ + top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl)); left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1; if (FRAME_MBAFF(h)) { const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]); const int curr_mb_field_flag = IS_INTERLACED(mb_type); - if (h->mb_y & 1) { + if (sl->mb_y & 1) { if (left_mb_field_flag != curr_mb_field_flag) left_xy[LTOP] -= h->mb_stride; } else { @@ -1963,7 +1870,7 @@ static int fill_filter_caches(H264Context *h, H264SliceContext *sl, int mb_type) top_type = h->cur_pic.mb_type[top_xy]; left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]]; left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]]; - if (h->deblocking_filter == 2) { + if (sl->deblocking_filter == 2) { if (h->slice_table[top_xy] != sl->slice_num) top_type = 0; if (h->slice_table[left_xy[LBOT]] != sl->slice_num) @@ -2010,7 +1917,7 @@ static int fill_filter_caches(H264Context *h, H264SliceContext *sl, int mb_type) /* CAVLC 8x8dct requires NNZ values for residual decoding that differ * from what the loop filter needs */ - if (!CABAC(h) && h->pps.transform_8x8_mode) { + if (!CABAC(h) && h->ps.pps->transform_8x8_mode) { if (IS_8x8DCT(top_type)) { nnz_cache[4 + 8 * 0] = nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12; @@ -2052,58 +1959,59 @@ static int fill_filter_caches(H264Context *h, H264SliceContext *sl, int mb_type) return 0; } -static void loop_filter(H264Context *h, H264SliceContext *sl, int start_x, int end_x) +static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x, int end_x) { uint8_t *dest_y, *dest_cb, *dest_cr; int linesize, uvlinesize, mb_x, mb_y; - const int end_mb_y = h->mb_y + FRAME_MBAFF(h); + const int end_mb_y = sl->mb_y + FRAME_MBAFF(h); const int old_slice_type = sl->slice_type; const int pixel_shift = h->pixel_shift; const int block_h = 16 >> h->chroma_y_shift; - if (h->deblocking_filter) { + if (h->postpone_filter) + return; + + if (sl->deblocking_filter) { for (mb_x = start_x; mb_x < end_x; mb_x++) for (mb_y = end_mb_y - FRAME_MBAFF(h); mb_y <= end_mb_y; mb_y++) { int mb_xy, mb_type; - mb_xy = h->mb_xy = mb_x + mb_y * h->mb_stride; - sl->slice_num = h->slice_table[mb_xy]; + mb_xy = sl->mb_xy = mb_x + mb_y * h->mb_stride; mb_type = h->cur_pic.mb_type[mb_xy]; - sl->list_count = h->list_counts[mb_xy]; if (FRAME_MBAFF(h)) - h->mb_mbaff = - h->mb_field_decoding_flag = !!IS_INTERLACED(mb_type); - - h->mb_x = mb_x; - h->mb_y = mb_y; - dest_y = h->cur_pic.f.data[0] + - ((mb_x << pixel_shift) + mb_y * h->linesize) * 16; - dest_cb = h->cur_pic.f.data[1] + + sl->mb_mbaff = + sl->mb_field_decoding_flag = !!IS_INTERLACED(mb_type); + + sl->mb_x = mb_x; + sl->mb_y = mb_y; + dest_y = h->cur_pic.f->data[0] + + ((mb_x << pixel_shift) + mb_y * sl->linesize) * 16; + dest_cb = h->cur_pic.f->data[1] + (mb_x << pixel_shift) * (8 << CHROMA444(h)) + - mb_y * h->uvlinesize * block_h; - dest_cr = h->cur_pic.f.data[2] + + mb_y * sl->uvlinesize * block_h; + dest_cr = h->cur_pic.f->data[2] + (mb_x << pixel_shift) * (8 << CHROMA444(h)) + - mb_y * h->uvlinesize * block_h; + mb_y * sl->uvlinesize * block_h; // FIXME simplify above - if (MB_FIELD(h)) { - linesize = sl->mb_linesize = h->linesize * 2; - uvlinesize = sl->mb_uvlinesize = h->uvlinesize * 2; + if (MB_FIELD(sl)) { + linesize = sl->mb_linesize = sl->linesize * 2; + uvlinesize = sl->mb_uvlinesize = sl->uvlinesize * 2; if (mb_y & 1) { // FIXME move out of this function? - dest_y -= h->linesize * 15; - dest_cb -= h->uvlinesize * (block_h - 1); - dest_cr -= h->uvlinesize * (block_h - 1); + dest_y -= sl->linesize * 15; + dest_cb -= sl->uvlinesize * (block_h - 1); + dest_cr -= sl->uvlinesize * (block_h - 1); } } else { - linesize = sl->mb_linesize = h->linesize; - uvlinesize = sl->mb_uvlinesize = h->uvlinesize; + linesize = sl->mb_linesize = sl->linesize; + uvlinesize = sl->mb_uvlinesize = sl->uvlinesize; } - backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, + backup_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0); if (fill_filter_caches(h, sl, mb_type)) continue; - sl->chroma_qp[0] = get_chroma_qp(h, 0, h->cur_pic.qscale_table[mb_xy]); - sl->chroma_qp[1] = get_chroma_qp(h, 1, h->cur_pic.qscale_table[mb_xy]); + sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]); + sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]); if (FRAME_MBAFF(h)) { ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr, @@ -2115,33 +2023,33 @@ static void loop_filter(H264Context *h, H264SliceContext *sl, int start_x, int e } } sl->slice_type = old_slice_type; - h->mb_x = end_x; - h->mb_y = end_mb_y - FRAME_MBAFF(h); - sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale); - sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale); + sl->mb_x = end_x; + sl->mb_y = end_mb_y - FRAME_MBAFF(h); + sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale); + sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale); } -static void predict_field_decoding_flag(H264Context *h, H264SliceContext *sl) +static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl) { - const int mb_xy = h->mb_x + h->mb_y * h->mb_stride; + const int mb_xy = sl->mb_x + sl->mb_y * h->mb_stride; int mb_type = (h->slice_table[mb_xy - 1] == sl->slice_num) ? h->cur_pic.mb_type[mb_xy - 1] : (h->slice_table[mb_xy - h->mb_stride] == sl->slice_num) ? h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0; - h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; + sl->mb_mbaff = sl->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; } /** * Draw edges and report progress for the last MB row. */ -static void decode_finish_row(H264Context *h, H264SliceContext *sl) +static void decode_finish_row(const H264Context *h, H264SliceContext *sl) { - int top = 16 * (h->mb_y >> FIELD_PICTURE(h)); + int top = 16 * (sl->mb_y >> FIELD_PICTURE(h)); int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h); int height = 16 << FRAME_MBAFF(h); int deblock_border = (16 + 4) << FRAME_MBAFF(h); - if (h->deblocking_filter) { + if (sl->deblocking_filter) { if ((top + height) >= pic_height) height += deblock_border; top -= deblock_border; @@ -2165,12 +2073,15 @@ static void decode_finish_row(H264Context *h, H264SliceContext *sl) h->picture_structure == PICT_BOTTOM_FIELD); } -static void er_add_slice(H264Context *h, H264SliceContext *sl, +static void er_add_slice(H264SliceContext *sl, int startx, int starty, int endx, int endy, int status) { #if CONFIG_ERROR_RESILIENCE - ERContext *er = &h->er; + ERContext *er = &sl->er; + + if (!sl->h264->enable_er) + return; er->ref_count = sl->ref_count[0]; ff_er_add_slice(er, startx, starty, endx, endy, status); @@ -2180,30 +2091,49 @@ static void er_add_slice(H264Context *h, H264SliceContext *sl, static int decode_slice(struct AVCodecContext *avctx, void *arg) { H264SliceContext *sl = arg; - H264Context *h = sl->h264; - int lf_x_start = h->mb_x; + const H264Context *h = sl->h264; + int lf_x_start = sl->mb_x; + int orig_deblock = sl->deblocking_filter; + int ret; - h->mb_skip_run = -1; + sl->linesize = h->cur_pic_ptr->f->linesize[0]; + sl->uvlinesize = h->cur_pic_ptr->f->linesize[1]; + + ret = alloc_scratch_buffers(sl, sl->linesize); + if (ret < 0) + return ret; - h->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME || - avctx->codec_id != AV_CODEC_ID_H264 || - (CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY)); + sl->mb_skip_run = -1; - if (h->pps.cabac) { + if (h->postpone_filter) + sl->deblocking_filter = 0; + + sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME || + avctx->codec_id != AV_CODEC_ID_H264 || + (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY)); + + if (h->ps.pps->cabac) { /* realign */ - align_get_bits(&h->gb); + align_get_bits(&sl->gb); /* init cabac */ ff_init_cabac_decoder(&sl->cabac, - h->gb.buffer + get_bits_count(&h->gb) / 8, - (get_bits_left(&h->gb) + 7) / 8); + sl->gb.buffer + get_bits_count(&sl->gb) / 8, + (get_bits_left(&sl->gb) + 7) / 8); ff_h264_init_cabac_states(h, sl); for (;;) { // START_TIMER - int ret = ff_h264_decode_mb_cabac(h, sl); - int eos; + int ret, eos; + + if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) { + av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n", + sl->next_slice_idx); + return AVERROR_INVALIDDATA; + } + + ret = ff_h264_decode_mb_cabac(h, sl); // STOP_TIMER("decode_mb_cabac") if (ret >= 0) @@ -2211,129 +2141,141 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg) // FIXME optimal? or let mb_decode decode 16x32 ? if (ret >= 0 && FRAME_MBAFF(h)) { - h->mb_y++; + sl->mb_y++; ret = ff_h264_decode_mb_cabac(h, sl); if (ret >= 0) ff_h264_hl_decode_mb(h, sl); - h->mb_y--; + sl->mb_y--; } eos = get_cabac_terminate(&sl->cabac); if ((h->workaround_bugs & FF_BUG_TRUNCATED) && sl->cabac.bytestream > sl->cabac.bytestream_end + 2) { - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1, - h->mb_y, ER_MB_END); - if (h->mb_x >= lf_x_start) - loop_filter(h, sl, lf_x_start, h->mb_x + 1); - return 0; + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1, + sl->mb_y, ER_MB_END); + if (sl->mb_x >= lf_x_start) + loop_filter(h, sl, lf_x_start, sl->mb_x + 1); + goto finish; } if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 2) { av_log(h->avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream %td\n", - h->mb_x, h->mb_y, + sl->mb_x, sl->mb_y, sl->cabac.bytestream_end - sl->cabac.bytestream); - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x, + sl->mb_y, ER_MB_ERROR); return AVERROR_INVALIDDATA; } - if (++h->mb_x >= h->mb_width) { - loop_filter(h, sl, lf_x_start, h->mb_x); - h->mb_x = lf_x_start = 0; + if (++sl->mb_x >= h->mb_width) { + loop_filter(h, sl, lf_x_start, sl->mb_x); + sl->mb_x = lf_x_start = 0; decode_finish_row(h, sl); - ++h->mb_y; + ++sl->mb_y; if (FIELD_OR_MBAFF_PICTURE(h)) { - ++h->mb_y; - if (FRAME_MBAFF(h) && h->mb_y < h->mb_height) + ++sl->mb_y; + if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height) predict_field_decoding_flag(h, sl); } } - if (eos || h->mb_y >= h->mb_height) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x - 1, - h->mb_y, ER_MB_END); - if (h->mb_x > lf_x_start) - loop_filter(h, sl, lf_x_start, h->mb_x); - return 0; + if (eos || sl->mb_y >= h->mb_height) { + ff_tlog(h->avctx, "slice end %d %d\n", + get_bits_count(&sl->gb), sl->gb.size_in_bits); + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1, + sl->mb_y, ER_MB_END); + if (sl->mb_x > lf_x_start) + loop_filter(h, sl, lf_x_start, sl->mb_x); + goto finish; } } } else { for (;;) { - int ret = ff_h264_decode_mb_cavlc(h, sl); + int ret; + + if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) { + av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n", + sl->next_slice_idx); + return AVERROR_INVALIDDATA; + } + + ret = ff_h264_decode_mb_cavlc(h, sl); if (ret >= 0) ff_h264_hl_decode_mb(h, sl); // FIXME optimal? or let mb_decode decode 16x32 ? if (ret >= 0 && FRAME_MBAFF(h)) { - h->mb_y++; + sl->mb_y++; ret = ff_h264_decode_mb_cavlc(h, sl); if (ret >= 0) ff_h264_hl_decode_mb(h, sl); - h->mb_y--; + sl->mb_y--; } if (ret < 0) { av_log(h->avctx, AV_LOG_ERROR, - "error while decoding MB %d %d\n", h->mb_x, h->mb_y); - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); + "error while decoding MB %d %d\n", sl->mb_x, sl->mb_y); + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x, + sl->mb_y, ER_MB_ERROR); return ret; } - if (++h->mb_x >= h->mb_width) { - loop_filter(h, sl, lf_x_start, h->mb_x); - h->mb_x = lf_x_start = 0; + if (++sl->mb_x >= h->mb_width) { + loop_filter(h, sl, lf_x_start, sl->mb_x); + sl->mb_x = lf_x_start = 0; decode_finish_row(h, sl); - ++h->mb_y; + ++sl->mb_y; if (FIELD_OR_MBAFF_PICTURE(h)) { - ++h->mb_y; - if (FRAME_MBAFF(h) && h->mb_y < h->mb_height) + ++sl->mb_y; + if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height) predict_field_decoding_flag(h, sl); } - if (h->mb_y >= h->mb_height) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); + if (sl->mb_y >= h->mb_height) { + ff_tlog(h->avctx, "slice end %d %d\n", + get_bits_count(&sl->gb), sl->gb.size_in_bits); - if (get_bits_left(&h->gb) == 0) { - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, - h->mb_x - 1, h->mb_y, ER_MB_END); + if (get_bits_left(&sl->gb) == 0) { + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, + sl->mb_x - 1, sl->mb_y, ER_MB_END); - return 0; + goto finish; } else { - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, - h->mb_x - 1, h->mb_y, ER_MB_END); + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, + sl->mb_x - 1, sl->mb_y, ER_MB_END); return AVERROR_INVALIDDATA; } } } - if (get_bits_left(&h->gb) <= 0 && h->mb_skip_run <= 0) { - tprintf(h->avctx, "slice end %d %d\n", - get_bits_count(&h->gb), h->gb.size_in_bits); + if (get_bits_left(&sl->gb) <= 0 && sl->mb_skip_run <= 0) { + ff_tlog(h->avctx, "slice end %d %d\n", + get_bits_count(&sl->gb), sl->gb.size_in_bits); - if (get_bits_left(&h->gb) == 0) { - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, - h->mb_x - 1, h->mb_y, ER_MB_END); - if (h->mb_x > lf_x_start) - loop_filter(h, sl, lf_x_start, h->mb_x); + if (get_bits_left(&sl->gb) == 0) { + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, + sl->mb_x - 1, sl->mb_y, ER_MB_END); + if (sl->mb_x > lf_x_start) + loop_filter(h, sl, lf_x_start, sl->mb_x); - return 0; + goto finish; } else { - er_add_slice(h, sl, h->resync_mb_x, h->resync_mb_y, h->mb_x, - h->mb_y, ER_MB_ERROR); + er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x, + sl->mb_y, ER_MB_ERROR); return AVERROR_INVALIDDATA; } } } } + +finish: + sl->deblocking_filter = orig_deblock; + return 0; } /** @@ -2345,30 +2287,67 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg) int ff_h264_execute_decode_slices(H264Context *h, unsigned context_count) { AVCodecContext *const avctx = h->avctx; - H264Context *hx; - int i; + H264SliceContext *sl; + int i, j; if (h->avctx->hwaccel) return 0; if (context_count == 1) { - return decode_slice(avctx, &h->slice_ctx[0]); + int ret; + + h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height; + h->postpone_filter = 0; + + ret = decode_slice(avctx, &h->slice_ctx[0]); + h->mb_y = h->slice_ctx[0].mb_y; + return ret; } else { - for (i = 1; i < context_count; i++) { - hx = h->thread_context[i]; - hx->er.error_count = 0; + for (i = 0; i < context_count; i++) { + int next_slice_idx = h->mb_width * h->mb_height; + int slice_idx; + + sl = &h->slice_ctx[i]; + sl->er.error_count = 0; + + /* make sure none of those slices overlap */ + slice_idx = sl->mb_y * h->mb_width + sl->mb_x; + for (j = 0; j < context_count; j++) { + H264SliceContext *sl2 = &h->slice_ctx[j]; + int slice_idx2 = sl2->mb_y * h->mb_width + sl2->mb_x; + + if (i == j || slice_idx2 < slice_idx) + continue; + next_slice_idx = FFMIN(next_slice_idx, slice_idx2); + } + sl->next_slice_idx = next_slice_idx; } avctx->execute(avctx, decode_slice, h->slice_ctx, NULL, context_count, sizeof(h->slice_ctx[0])); /* pull back stuff from slices to master context */ - hx = h->thread_context[context_count - 1]; - h->mb_x = hx->mb_x; - h->mb_y = hx->mb_y; - h->droppable = hx->droppable; - h->picture_structure = hx->picture_structure; + sl = &h->slice_ctx[context_count - 1]; + h->mb_y = sl->mb_y; for (i = 1; i < context_count; i++) - h->er.error_count += h->thread_context[i]->er.error_count; + h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count; + + if (h->postpone_filter) { + h->postpone_filter = 0; + + for (i = 0; i < context_count; i++) { + int y_end, x_end; + + sl = &h->slice_ctx[i]; + y_end = FFMIN(sl->mb_y + 1, h->mb_height); + x_end = (sl->mb_y >= h->mb_height) ? h->mb_width : sl->mb_x; + + for (j = sl->resync_mb_y; j < y_end; j += 1 + FIELD_OR_MBAFF_PICTURE(h)) { + sl->mb_y = j; + loop_filter(h, sl, j > sl->resync_mb_y ? 0 : sl->resync_mb_x, + j == y_end - 1 ? x_end : h->mb_width); + } + } + } } return 0;