* The simplest mpeg encoder (well, it was the simplest!).
*/
-#include "libavutil/intmath.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
+#include "mathops.h"
#include "mpegvideo.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
mpeg2_dc_scale_table3,
};
-const enum PixelFormat ff_pixfmt_list_420[] = {
- PIX_FMT_YUV420P,
- PIX_FMT_NONE
+const enum AVPixelFormat ff_pixfmt_list_420[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
};
-const enum PixelFormat ff_hwaccel_pixfmt_list_420[] = {
- PIX_FMT_DXVA2_VLD,
- PIX_FMT_VAAPI_VLD,
- PIX_FMT_VDA_VLD,
- PIX_FMT_YUV420P,
- PIX_FMT_NONE
+const enum AVPixelFormat ff_hwaccel_pixfmt_list_420[] = {
+ AV_PIX_FMT_DXVA2_VLD,
+ AV_PIX_FMT_VAAPI_VLD,
+ AV_PIX_FMT_VDA_VLD,
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NONE
};
const uint8_t *avpriv_mpv_find_start_code(const uint8_t *restrict p,
ff_MPV_common_init_x86(s);
#elif ARCH_ALPHA
ff_MPV_common_init_axp(s);
-#elif HAVE_MMI
- ff_MPV_common_init_mmi(s);
#elif ARCH_ARM
ff_MPV_common_init_arm(s);
#elif HAVE_ALTIVEC
av_freep(&pic->mb_mean);
av_freep(&pic->f.mbskip_table);
av_freep(&pic->qscale_table_base);
+ pic->f.qscale_table = NULL;
av_freep(&pic->mb_type_base);
+ pic->f.mb_type = NULL;
av_freep(&pic->f.dct_coeff);
av_freep(&pic->f.pan_scan);
pic->f.mb_type = NULL;
for (i = 0; i < 2; i++) {
av_freep(&pic->motion_val_base[i]);
av_freep(&pic->f.ref_index[i]);
+ pic->f.motion_val[i] = NULL;
}
if (pic->f.type == FF_BUFFER_TYPE_SHARED) {
int ff_mpeg_update_thread_context(AVCodecContext *dst,
const AVCodecContext *src)
{
+ int i;
MpegEncContext *s = dst->priv_data, *s1 = src->priv_data;
if (dst == src || !s1->context_initialized)
ff_MPV_common_init(s);
}
+ if (s->height != s1->height || s->width != s1->width || s->context_reinit) {
+ int err;
+ s->context_reinit = 0;
+ s->height = s1->height;
+ s->width = s1->width;
+ if ((err = ff_MPV_common_frame_size_change(s)) < 0)
+ return err;
+ }
+
s->avctx->coded_height = s1->avctx->coded_height;
s->avctx->coded_width = s1->avctx->coded_width;
s->avctx->width = s1->avctx->width;
memcpy(&s->last_picture, &s1->last_picture,
(char *) &s1->last_picture_ptr - (char *) &s1->last_picture);
+ // reset s->picture[].f.extended_data to s->picture[].f.data
+ for (i = 0; i < s->picture_count; i++)
+ s->picture[i].f.extended_data = s->picture[i].f.data;
+
s->last_picture_ptr = REBASE_PICTURE(s1->last_picture_ptr, s, s1);
s->current_picture_ptr = REBASE_PICTURE(s1->current_picture_ptr, s, s1);
s->next_picture_ptr = REBASE_PICTURE(s1->next_picture_ptr, s, s1);
ff_MPV_common_defaults(s);
}
+/**
+ * Initialize and allocates MpegEncContext fields dependent on the resolution.
+ */
+static int init_context_frame(MpegEncContext *s)
+{
+ int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
+
+ s->mb_width = (s->width + 15) / 16;
+ s->mb_stride = s->mb_width + 1;
+ s->b8_stride = s->mb_width * 2 + 1;
+ s->b4_stride = s->mb_width * 4 + 1;
+ mb_array_size = s->mb_height * s->mb_stride;
+ mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
+
+ /* set default edge pos, will be overriden
+ * in decode_header if needed */
+ s->h_edge_pos = s->mb_width * 16;
+ s->v_edge_pos = s->mb_height * 16;
+
+ s->mb_num = s->mb_width * s->mb_height;
+
+ s->block_wrap[0] =
+ s->block_wrap[1] =
+ s->block_wrap[2] =
+ s->block_wrap[3] = s->b8_stride;
+ s->block_wrap[4] =
+ s->block_wrap[5] = s->mb_stride;
+
+ y_size = s->b8_stride * (2 * s->mb_height + 1);
+ c_size = s->mb_stride * (s->mb_height + 1);
+ yc_size = y_size + 2 * c_size;
+
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
+ fail); // error ressilience code looks cleaner with this
+ for (y = 0; y < s->mb_height; y++)
+ for (x = 0; x < s->mb_width; x++)
+ s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
+
+ s->mb_index2xy[s->mb_height * s->mb_width] =
+ (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
+
+ if (s->encoding) {
+ /* Allocate MV tables */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1;
+ s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1;
+ s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1;
+ s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
+ s->mb_stride + 1;
+ s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
+ s->mb_stride + 1;
+ s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1;
+
+ /* Allocate MB type table */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
+ sizeof(uint16_t), fail); // needed for encoding
+
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
+ sizeof(int), fail);
+
+ FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
+ mb_array_size * sizeof(float), fail);
+ FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,
+ mb_array_size * sizeof(float), fail);
+
+ }
+
+ FF_ALLOC_OR_GOTO(s->avctx, s->er_temp_buffer,
+ mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table,
+ mb_array_size * sizeof(uint8_t), fail);
+
+ if (s->codec_id == AV_CODEC_ID_MPEG4 ||
+ (s->flags & CODEC_FLAG_INTERLACED_ME)) {
+ /* interlaced direct mode decoding tables */
+ for (i = 0; i < 2; i++) {
+ int j, k;
+ for (j = 0; j < 2; j++) {
+ for (k = 0; k < 2; k++) {
+ FF_ALLOCZ_OR_GOTO(s->avctx,
+ s->b_field_mv_table_base[i][j][k],
+ mv_table_size * 2 * sizeof(int16_t),
+ fail);
+ s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
+ s->mb_stride + 1;
+ }
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
+ mb_array_size * 2 * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
+ mv_table_size * 2 * sizeof(int16_t), fail);
+ s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
+ + s->mb_stride + 1;
+ }
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
+ mb_array_size * 2 * sizeof(uint8_t), fail);
+ }
+ }
+ if (s->out_format == FMT_H263) {
+ /* cbp values */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
+ s->coded_block = s->coded_block_base + s->b8_stride + 1;
+
+ /* cbp, ac_pred, pred_dir */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
+ mb_array_size * sizeof(uint8_t), fail);
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
+ mb_array_size * sizeof(uint8_t), fail);
+ }
+
+ if (s->h263_pred || s->h263_plus || !s->encoding) {
+ /* dc values */
+ // MN: we need these for error resilience of intra-frames
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
+ yc_size * sizeof(int16_t), fail);
+ s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
+ s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
+ s->dc_val[2] = s->dc_val[1] + c_size;
+ for (i = 0; i < yc_size; i++)
+ s->dc_val_base[i] = 1024;
+ }
+
+ /* which mb is a intra block */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
+ memset(s->mbintra_table, 1, mb_array_size);
+
+ /* init macroblock skip table */
+ FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
+ // Note the + 1 is for a quicker mpeg4 slice_end detection
+
+ if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
+ s->avctx->debug_mv) {
+ s->visualization_buffer[0] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
+ s->visualization_buffer[1] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
+ s->visualization_buffer[2] = av_malloc((s->mb_width * 16 +
+ 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
+ }
+
+ return 0;
+fail:
+ return AVERROR(ENOMEM);
+}
+
/**
* init common structure for both encoder and decoder.
* this assumes that some variables like width/height are already set
*/
av_cold int ff_MPV_common_init(MpegEncContext *s)
{
- int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y;
+ int i;
int nb_slices = (HAVE_THREADS &&
s->avctx->active_thread_type & FF_THREAD_SLICE) ?
s->avctx->thread_count : 1;
else if (s->codec_id != AV_CODEC_ID_H264)
s->mb_height = (s->height + 15) / 16;
- if (s->avctx->pix_fmt == PIX_FMT_NONE) {
+ if (s->avctx->pix_fmt == AV_PIX_FMT_NONE) {
av_log(s->avctx, AV_LOG_ERROR,
- "decoding to PIX_FMT_NONE is not supported.\n");
+ "decoding to AV_PIX_FMT_NONE is not supported.\n");
return -1;
}
s->flags2 = s->avctx->flags2;
if (s->width && s->height) {
- s->mb_width = (s->width + 15) / 16;
- s->mb_stride = s->mb_width + 1;
- s->b8_stride = s->mb_width * 2 + 1;
- s->b4_stride = s->mb_width * 4 + 1;
- mb_array_size = s->mb_height * s->mb_stride;
- mv_table_size = (s->mb_height + 2) * s->mb_stride + 1;
-
/* set chroma shifts */
- avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &s->chroma_x_shift,
- &s->chroma_y_shift);
-
- /* set default edge pos, will be overriden
- * in decode_header if needed */
- s->h_edge_pos = s->mb_width * 16;
- s->v_edge_pos = s->mb_height * 16;
-
- s->mb_num = s->mb_width * s->mb_height;
-
- s->block_wrap[0] =
- s->block_wrap[1] =
- s->block_wrap[2] =
- s->block_wrap[3] = s->b8_stride;
- s->block_wrap[4] =
- s->block_wrap[5] = s->mb_stride;
-
- y_size = s->b8_stride * (2 * s->mb_height + 1);
- c_size = s->mb_stride * (s->mb_height + 1);
- yc_size = y_size + 2 * c_size;
+ av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
+ &s->chroma_x_shift,
+ &s->chroma_y_shift);
/* convert fourcc to upper case */
s->codec_tag = avpriv_toupper4(s->avctx->codec_tag);
s->avctx->coded_frame = &s->current_picture.f;
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num + 1) * sizeof(int),
- fail); // error ressilience code looks cleaner with this
- for (y = 0; y < s->mb_height; y++)
- for (x = 0; x < s->mb_width; x++)
- s->mb_index2xy[x + y * s->mb_width] = x + y * s->mb_stride;
-
- s->mb_index2xy[s->mb_height * s->mb_width] =
- (s->mb_height - 1) * s->mb_stride + s->mb_width; // FIXME really needed?
-
if (s->encoding) {
- /* Allocate MV tables */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base,
- mv_table_size * 2 * sizeof(int16_t), fail);
- s->p_mv_table = s->p_mv_table_base +
- s->mb_stride + 1;
- s->b_forw_mv_table = s->b_forw_mv_table_base +
- s->mb_stride + 1;
- s->b_back_mv_table = s->b_back_mv_table_base +
- s->mb_stride + 1;
- s->b_bidir_forw_mv_table = s->b_bidir_forw_mv_table_base +
- s->mb_stride + 1;
- s->b_bidir_back_mv_table = s->b_bidir_back_mv_table_base +
- s->mb_stride + 1;
- s->b_direct_mv_table = s->b_direct_mv_table_base +
- s->mb_stride + 1;
-
if (s->msmpeg4_version) {
FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats,
2 * 2 * (MAX_LEVEL + 1) *
}
FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail);
- /* Allocate MB type table */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type, mb_array_size *
- sizeof(uint16_t), fail); // needed for encoding
-
- FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size *
- sizeof(int), fail);
-
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix,
64 * 32 * sizeof(int), fail);
FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix,
FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset,
2 * 64 * sizeof(uint16_t), fail);
}
-
- FF_ALLOC_OR_GOTO(s->avctx, s->cplx_tab,
- mb_array_size * sizeof(float), fail);
- FF_ALLOC_OR_GOTO(s->avctx, s->bits_tab,
- mb_array_size * sizeof(float), fail);
}
}
}
if (s->width && s->height) {
- FF_ALLOC_OR_GOTO(s->avctx, s->er_temp_buffer,
- mb_array_size * sizeof(uint8_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table,
- mb_array_size * sizeof(uint8_t), fail);
-
- if (s->codec_id == AV_CODEC_ID_MPEG4 ||
- (s->flags & CODEC_FLAG_INTERLACED_ME)) {
- /* interlaced direct mode decoding tables */
- for (i = 0; i < 2; i++) {
- int j, k;
- for (j = 0; j < 2; j++) {
- for (k = 0; k < 2; k++) {
- FF_ALLOCZ_OR_GOTO(s->avctx,
- s->b_field_mv_table_base[i][j][k],
- mv_table_size * 2 * sizeof(int16_t),
- fail);
- s->b_field_mv_table[i][j][k] = s->b_field_mv_table_base[i][j][k] +
- s->mb_stride + 1;
- }
- FF_ALLOCZ_OR_GOTO(s->avctx, s->b_field_select_table [i][j],
- mb_array_size * 2 * sizeof(uint8_t),
- fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_mv_table_base[i][j],
- mv_table_size * 2 * sizeof(int16_t),
- fail);
- s->p_field_mv_table[i][j] = s->p_field_mv_table_base[i][j]
- + s->mb_stride + 1;
- }
- FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i],
- mb_array_size * 2 * sizeof(uint8_t),
- fail);
- }
- }
- if (s->out_format == FMT_H263) {
- /* cbp values */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail);
- s->coded_block = s->coded_block_base + s->b8_stride + 1;
-
- /* cbp, ac_pred, pred_dir */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table,
- mb_array_size * sizeof(uint8_t), fail);
- FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table,
- mb_array_size * sizeof(uint8_t), fail);
- }
-
- if (s->h263_pred || s->h263_plus || !s->encoding) {
- /* dc values */
- // MN: we need these for error resilience of intra-frames
- FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base,
- yc_size * sizeof(int16_t), fail);
- s->dc_val[0] = s->dc_val_base + s->b8_stride + 1;
- s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1;
- s->dc_val[2] = s->dc_val[1] + c_size;
- for (i = 0; i < yc_size; i++)
- s->dc_val_base[i] = 1024;
- }
-
- /* which mb is a intra block */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail);
- memset(s->mbintra_table, 1, mb_array_size);
-
- /* init macroblock skip table */
- FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size + 2, fail);
- // Note the + 1 is for a quicker mpeg4 slice_end detection
+ if (init_context_frame(s))
+ goto fail;
s->parse_context.state = -1;
- if ((s->avctx->debug & (FF_DEBUG_VIS_QP | FF_DEBUG_VIS_MB_TYPE)) ||
- s->avctx->debug_mv) {
- s->visualization_buffer[0] = av_malloc((s->mb_width * 16 +
- 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
- s->visualization_buffer[1] = av_malloc((s->mb_width * 16 +
- 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
- s->visualization_buffer[2] = av_malloc((s->mb_width * 16 +
- 2 * EDGE_WIDTH) * s->mb_height * 16 + 2 * EDGE_WIDTH);
- }
}
s->context_initialized = 1;
return -1;
}
-/* init common structure for both encoder and decoder */
-void ff_MPV_common_end(MpegEncContext *s)
+/**
+ * Frees and resets MpegEncContext fields depending on the resolution.
+ * Is used during resolution changes to avoid a full reinitialization of the
+ * codec.
+ */
+static int free_context_frame(MpegEncContext *s)
{
int i, j, k;
- if (s->slice_context_count > 1) {
- for (i = 0; i < s->slice_context_count; i++) {
- free_duplicate_context(s->thread_context[i]);
- }
- for (i = 1; i < s->slice_context_count; i++) {
- av_freep(&s->thread_context[i]);
- }
- s->slice_context_count = 1;
- } else free_duplicate_context(s);
-
- av_freep(&s->parse_context.buffer);
- s->parse_context.buffer_size = 0;
-
av_freep(&s->mb_type);
av_freep(&s->p_mv_table_base);
av_freep(&s->b_forw_mv_table_base);
av_freep(&s->pred_dir_table);
av_freep(&s->mbskip_table);
- av_freep(&s->bitstream_buffer);
- s->allocated_bitstream_buffer_size = 0;
- av_freep(&s->avctx->stats_out);
- av_freep(&s->ac_stats);
av_freep(&s->error_status_table);
av_freep(&s->er_temp_buffer);
av_freep(&s->mb_index2xy);
av_freep(&s->lambda_table);
+ av_freep(&s->cplx_tab);
+ av_freep(&s->bits_tab);
+
+ s->linesize = s->uvlinesize = 0;
+
+ for (i = 0; i < 3; i++)
+ av_freep(&s->visualization_buffer[i]);
+
+ if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
+ avcodec_default_free_buffers(s->avctx);
+
+ return 0;
+}
+
+int ff_MPV_common_frame_size_change(MpegEncContext *s)
+{
+ int i, err = 0;
+
+ if (s->slice_context_count > 1) {
+ for (i = 0; i < s->slice_context_count; i++) {
+ free_duplicate_context(s->thread_context[i]);
+ }
+ for (i = 1; i < s->slice_context_count; i++) {
+ av_freep(&s->thread_context[i]);
+ }
+ } else
+ free_duplicate_context(s);
+
+ free_context_frame(s);
+
+ if (s->picture)
+ for (i = 0; i < s->picture_count; i++) {
+ s->picture[i].needs_realloc = 1;
+ }
+
+ s->last_picture_ptr =
+ s->next_picture_ptr =
+ s->current_picture_ptr = NULL;
+
+ // init
+ if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
+ s->mb_height = (s->height + 31) / 32 * 2;
+ else if (s->codec_id != AV_CODEC_ID_H264)
+ s->mb_height = (s->height + 15) / 16;
+
+ if ((s->width || s->height) &&
+ av_image_check_size(s->width, s->height, 0, s->avctx))
+ return AVERROR_INVALIDDATA;
+
+ if ((err = init_context_frame(s)))
+ goto fail;
+
+ s->thread_context[0] = s;
+
+ if (s->width && s->height) {
+ int nb_slices = s->slice_context_count;
+ if (nb_slices > 1) {
+ for (i = 1; i < nb_slices; i++) {
+ s->thread_context[i] = av_malloc(sizeof(MpegEncContext));
+ memcpy(s->thread_context[i], s, sizeof(MpegEncContext));
+ }
+
+ for (i = 0; i < nb_slices; i++) {
+ if (init_duplicate_context(s->thread_context[i], s) < 0)
+ goto fail;
+ s->thread_context[i]->start_mb_y =
+ (s->mb_height * (i) + nb_slices / 2) / nb_slices;
+ s->thread_context[i]->end_mb_y =
+ (s->mb_height * (i + 1) + nb_slices / 2) / nb_slices;
+ }
+ } else {
+ if (init_duplicate_context(s, s) < 0)
+ goto fail;
+ s->start_mb_y = 0;
+ s->end_mb_y = s->mb_height;
+ }
+ s->slice_context_count = nb_slices;
+ }
+
+ return 0;
+ fail:
+ ff_MPV_common_end(s);
+ return err;
+}
+
+/* init common structure for both encoder and decoder */
+void ff_MPV_common_end(MpegEncContext *s)
+{
+ int i;
+
+ if (s->slice_context_count > 1) {
+ for (i = 0; i < s->slice_context_count; i++) {
+ free_duplicate_context(s->thread_context[i]);
+ }
+ for (i = 1; i < s->slice_context_count; i++) {
+ av_freep(&s->thread_context[i]);
+ }
+ s->slice_context_count = 1;
+ } else free_duplicate_context(s);
+
+ av_freep(&s->parse_context.buffer);
+ s->parse_context.buffer_size = 0;
+
+ av_freep(&s->bitstream_buffer);
+ s->allocated_bitstream_buffer_size = 0;
+
+ av_freep(&s->avctx->stats_out);
+ av_freep(&s->ac_stats);
+
av_freep(&s->q_intra_matrix);
av_freep(&s->q_inter_matrix);
av_freep(&s->q_intra_matrix16);
av_freep(&s->input_picture);
av_freep(&s->reordered_input_picture);
av_freep(&s->dct_offset);
- av_freep(&s->cplx_tab);
- av_freep(&s->bits_tab);
if (s->picture && !s->avctx->internal->is_copy) {
for (i = 0; i < s->picture_count; i++) {
}
}
av_freep(&s->picture);
+
+ free_context_frame(s);
+
s->context_initialized = 0;
s->last_picture_ptr =
s->next_picture_ptr =
s->current_picture_ptr = NULL;
s->linesize = s->uvlinesize = 0;
-
- for (i = 0; i < 3; i++)
- av_freep(&s->visualization_buffer[i]);
-
- if (!(s->avctx->active_thread_type & FF_THREAD_FRAME))
- avcodec_default_free_buffers(s->avctx);
}
void ff_init_rl(RLTable *rl,
}
}
-int ff_find_unused_picture(MpegEncContext *s, int shared)
+static inline int pic_is_unused(MpegEncContext *s, Picture *pic)
+{
+ if (pic->f.data[0] == NULL)
+ return 1;
+ if (pic->needs_realloc)
+ if (!pic->owner2 || pic->owner2 == s)
+ return 1;
+ return 0;
+}
+
+static int find_unused_picture(MpegEncContext *s, int shared)
{
int i;
}
} else {
for (i = s->picture_range_start; i < s->picture_range_end; i++) {
- if (s->picture[i].f.data[0] == NULL && s->picture[i].f.type != 0)
+ if (pic_is_unused(s, &s->picture[i]) && s->picture[i].f.type != 0)
return i; // FIXME
}
for (i = s->picture_range_start; i < s->picture_range_end; i++) {
- if (s->picture[i].f.data[0] == NULL)
+ if (pic_is_unused(s, &s->picture[i]))
return i;
}
}
return AVERROR_INVALIDDATA;
}
+int ff_find_unused_picture(MpegEncContext *s, int shared)
+{
+ int ret = find_unused_picture(s, shared);
+
+ if (ret >= 0 && ret < s->picture_range_end) {
+ if (s->picture[ret].needs_realloc) {
+ s->picture[ret].needs_realloc = 0;
+ free_picture(s, &s->picture[ret]);
+ avcodec_get_frame_defaults(&s->picture[ret].f);
+ }
+ }
+ return ret;
+}
+
static void update_noise_reduction(MpegEncContext *s)
{
int intra, i;
if (s->picture[i].owner2 == s && s->picture[i].f.data[0] &&
&s->picture[i] != s->last_picture_ptr &&
&s->picture[i] != s->next_picture_ptr &&
- s->picture[i].f.reference) {
+ s->picture[i].f.reference && !s->picture[i].needs_realloc) {
if (!(avctx->active_thread_type & FF_THREAD_FRAME))
av_log(avctx, AV_LOG_ERROR,
"releasing zombie picture\n");
pic = s->current_picture_ptr;
} else {
i = ff_find_unused_picture(s, 0);
+ if (i < 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
+ return i;
+ }
pic = &s->picture[i];
}
if (!s->dropable)
s->next_picture_ptr = s->current_picture_ptr;
}
- /* av_log(s->avctx, AV_LOG_DEBUG, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
- s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
- s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL,
- s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL,
- s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL,
- s->pict_type, s->dropable); */
+ av_dlog(s->avctx, "L%p N%p C%p L%p N%p C%p type:%d drop:%d\n",
+ s->last_picture_ptr, s->next_picture_ptr,s->current_picture_ptr,
+ s->last_picture_ptr ? s->last_picture_ptr->f.data[0] : NULL,
+ s->next_picture_ptr ? s->next_picture_ptr->f.data[0] : NULL,
+ s->current_picture_ptr ? s->current_picture_ptr->f.data[0] : NULL,
+ s->pict_type, s->dropable);
if (s->codec_id != AV_CODEC_ID_H264) {
if ((s->last_picture_ptr == NULL ||
/* Allocate a dummy frame */
i = ff_find_unused_picture(s, 0);
+ if (i < 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
+ return i;
+ }
s->last_picture_ptr = &s->picture[i];
if (ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) {
s->last_picture_ptr = NULL;
s->pict_type == AV_PICTURE_TYPE_B) {
/* Allocate a dummy frame */
i = ff_find_unused_picture(s, 0);
+ if (i < 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "no frame buffer available\n");
+ return i;
+ }
s->next_picture_ptr = &s->picture[i];
if (ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) {
s->next_picture_ptr = NULL;
if (s->next_picture_ptr)
ff_copy_picture(&s->next_picture, s->next_picture_ptr);
- if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME) &&
- (s->out_format != FMT_H264 || s->codec_id == AV_CODEC_ID_SVQ3)) {
+ if (HAVE_THREADS && (avctx->active_thread_type & FF_THREAD_FRAME)) {
if (s->next_picture_ptr)
s->next_picture_ptr->owner2 = s;
if (s->last_picture_ptr)
s->current_picture.f.reference &&
!s->intra_only &&
!(s->flags & CODEC_FLAG_EMU_EDGE)) {
- int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w;
- int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h;
- s->dsp.draw_edges(s->current_picture.f.data[0], s->linesize,
- s->h_edge_pos, s->v_edge_pos,
- EDGE_WIDTH, EDGE_WIDTH,
- EDGE_TOP | EDGE_BOTTOM);
- s->dsp.draw_edges(s->current_picture.f.data[1], s->uvlinesize,
- s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
- EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
- EDGE_TOP | EDGE_BOTTOM);
- s->dsp.draw_edges(s->current_picture.f.data[2], s->uvlinesize,
- s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
- EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
- EDGE_TOP | EDGE_BOTTOM);
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
+ int hshift = desc->log2_chroma_w;
+ int vshift = desc->log2_chroma_h;
+ s->dsp.draw_edges(s->current_picture.f.data[0], s->linesize,
+ s->h_edge_pos, s->v_edge_pos,
+ EDGE_WIDTH, EDGE_WIDTH,
+ EDGE_TOP | EDGE_BOTTOM);
+ s->dsp.draw_edges(s->current_picture.f.data[1], s->uvlinesize,
+ s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
+ EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
+ EDGE_TOP | EDGE_BOTTOM);
+ s->dsp.draw_edges(s->current_picture.f.data[2], s->uvlinesize,
+ s->h_edge_pos >> hshift, s->v_edge_pos >> vshift,
+ EDGE_WIDTH >> hshift, EDGE_WIDTH >> vshift,
+ EDGE_TOP | EDGE_BOTTOM);
}
emms_c();
else
av_log(s->avctx, AV_LOG_DEBUG, " ");
}
- // av_log(s->avctx, AV_LOG_DEBUG, " ");
}
av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
(s->codec_id == AV_CODEC_ID_H264 ? 0 : 1);
s->low_delay = 0; // needed to see the vectors without trashing the buffers
- avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,
- &h_chroma_shift, &v_chroma_shift);
+ av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt,
+ &h_chroma_shift, &v_chroma_shift);
for (i = 0; i < 3; i++) {
memcpy(s->visualization_buffer[i], pict->data[i],
(i == 0) ? pict->linesize[i] * height:
int my_max = INT_MIN, my_min = INT_MAX, qpel_shift = !s->quarter_sample;
int my, off, i, mvs;
- if (s->picture_structure != PICT_FRAME) goto unhandled;
+ if (s->picture_structure != PICT_FRAME || s->mcsel)
+ goto unhandled;
switch (s->mv_type) {
case MV_TYPE_16X16:
&& s->current_picture.f.reference
&& !s->intra_only
&& !(s->flags&CODEC_FLAG_EMU_EDGE)) {
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(s->avctx->pix_fmt);
int sides = 0, edge_h;
- int hshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_w;
- int vshift = av_pix_fmt_descriptors[s->avctx->pix_fmt].log2_chroma_h;
+ int hshift = desc->log2_chroma_w;
+ int vshift = desc->log2_chroma_h;
if (y==0) sides |= EDGE_TOP;
if (y + h >= s->v_edge_pos) sides |= EDGE_BOTTOM;
projects / ffmpeg / blobdiff