* H.26L/H.264/AVC/JVT/14496-10/... decoder
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
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,
+ 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,
+ 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10,
+ 10,10,10,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13, 13, 13, 13,
+ 14,14,14,14,
};
-static const uint8_t field_scan[16] = {
+static const uint8_t field_scan[16+1] = {
0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
};
-static const uint8_t field_scan8x8[64] = {
+static const uint8_t field_scan8x8[64+1] = {
0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
};
-static const uint8_t field_scan8x8_cavlc[64] = {
+static const uint8_t field_scan8x8_cavlc[64+1] = {
0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
};
// zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
-static const uint8_t zigzag_scan8x8_cavlc[64] = {
+static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
h->linesize = pic->f.linesize[0];
h->uvlinesize = pic->f.linesize[1];
+ pic->crop = h->sps.crop;
+ pic->crop_top = h->sps.crop_top;
+ pic->crop_left= h->sps.crop_left;
if (h->avctx->hwaccel) {
const AVHWAccel *hwaccel = h->avctx->hwaccel;
pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
}
}
+ if (!h->avctx->hwaccel && CONFIG_GRAY && h->flags & CODEC_FLAG_GRAY && pic->f.data[2]) {
+ int h_chroma_shift, v_chroma_shift;
+ av_pix_fmt_get_chroma_sub_sample(pic->f.format,
+ &h_chroma_shift, &v_chroma_shift);
+
+ for(i=0; i<FF_CEIL_RSHIFT(h->avctx->height, v_chroma_shift); i++) {
+ memset(pic->f.data[1] + pic->f.linesize[1]*i,
+ 0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
+ memset(pic->f.data[2] + pic->f.linesize[2]*i,
+ 0x80, FF_CEIL_RSHIFT(h->avctx->width, h_chroma_shift));
+ }
+ }
if (!h->qscale_table_pool) {
ret = init_table_pools(h);
}
}
-void h264_init_dequant_tables(H264Context *h)
+void ff_h264_init_dequant_tables(H264Context *h)
{
int i, x;
init_dequant4_coeff_table(h);
+ memset(h->dequant8_coeff, 0, sizeof(h->dequant8_coeff));
+
if (h->pps.transform_8x8_mode)
init_dequant8_coeff_table(h);
if (h->sps.transform_bypass) {
#define IN_RANGE(a, b, size) (((a) >= (b)) && ((a) < ((b) + (size))))
#define REBASE_PICTURE(pic, new_ctx, old_ctx) \
- ((pic && pic >= old_ctx->DPB && \
- pic < old_ctx->DPB + H264_MAX_PICTURE_COUNT) ? \
- &new_ctx->DPB[pic - old_ctx->DPB] : NULL)
+ (((pic) && (pic) >= (old_ctx)->DPB && \
+ (pic) < (old_ctx)->DPB + H264_MAX_PICTURE_COUNT) ? \
+ &(new_ctx)->DPB[(pic) - (old_ctx)->DPB] : NULL)
static void copy_picture_range(H264Picture **to, H264Picture **from, int count,
H264Context *new_base,
}
#define copy_fields(to, from, start_field, end_field) \
- memcpy(&to->start_field, &from->start_field, \
- (char *)&to->end_field - (char *)&to->start_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);
int context_reinitialized = 0;
int i, ret;
- if (dst == src || !h1->context_initialized)
+ if (dst == src)
return 0;
if (inited &&
h->mb_num = h1->mb_num;
h->mb_stride = h1->mb_stride;
h->b_stride = h1->b_stride;
+ // 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;
if ((err = h264_slice_header_init(h, 1)) < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
+ av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed\n");
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 0
+ h264_set_parameter_from_sps(h);
+ //Note we set context_reinitialized which will cause h264_set_parameter_from_sps to be reexecuted
+ h->cur_chroma_format_idc = h1->cur_chroma_format_idc;
+#endif
}
+ /* update linesize on resize for h264. The h264 decoder doesn't
+ * necessarily call ff_mpv_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_PPS_COUNT; i++)
av_freep(h->pps_buffers + i);
- memcpy(h, h1, sizeof(*h1));
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
+ memcpy(h, h1, sizeof(H264Context));
+
memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
- 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;
+ memset(&h->last_pic_for_ec, 0, sizeof(h->last_pic_for_ec));
h->slice_ctx = orig_slice_ctx;
h->mb_type_pool = NULL;
h->ref_index_pool = NULL;
h->motion_val_pool = NULL;
+ h->intra4x4_pred_mode= NULL;
+ h->non_zero_count = NULL;
+ h->slice_table_base = NULL;
+ h->slice_table = NULL;
+ h->cbp_table = NULL;
+ h->chroma_pred_mode_table = NULL;
+ memset(h->mvd_table, 0, sizeof(h->mvd_table));
+ h->direct_table = NULL;
+ h->list_counts = NULL;
+ h->mb2b_xy = NULL;
+ h->mb2br_xy = NULL;
+
+ if (h1->context_initialized) {
+ 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;
ret = ff_h264_alloc_tables(h);
if (ret < 0) {
av_log(dst, AV_LOG_ERROR, "context_init() failed.\n");
return ret;
}
+ }
- h->context_initialized = 1;
+ h->context_initialized = h1->context_initialized;
}
h->avctx->coded_height = h1->avctx->coded_height;
h->droppable = h1->droppable;
h->low_delay = h1->low_delay;
- for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
+ for (i = 0; h->DPB && i < H264_MAX_PICTURE_COUNT; i++) {
ff_h264_unref_picture(h, &h->DPB[i]);
- if (h1->DPB[i].f.buf[0] &&
+ if (h1->DPB && h1->DPB[i].f.buf[0] &&
(ret = ff_h264_ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0)
return ret;
}
copy_picture_range(h->delayed_pic, h1->delayed_pic,
MAX_DELAYED_PIC_COUNT + 2, h, h1);
- h->last_slice_type = h1->last_slice_type;
+ h->frame_recovered = h1->frame_recovered;
if (context_reinitialized)
ff_h264_set_parameter_from_sps(h);
h->outputed_poc = h->next_outputed_poc;
h->recovery_frame = h1->recovery_frame;
- h->frame_recovered = h1->frame_recovered;
return err;
}
H264Picture *pic;
int i, ret;
const int pixel_shift = h->pixel_shift;
+ int c[4] = {
+ 1<<(h->sps.bit_depth_luma-1),
+ 1<<(h->sps.bit_depth_chroma-1),
+ 1<<(h->sps.bit_depth_chroma-1),
+ -1
+ };
+
+ if (!ff_thread_can_start_frame(h->avctx)) {
+ av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
+ return -1;
+ }
release_unused_pictures(h, 1);
h->cur_pic_ptr = NULL;
pic->reference = h->droppable ? 0 : h->picture_structure;
pic->f.coded_picture_number = h->coded_picture_number++;
pic->field_picture = h->picture_structure != PICT_FRAME;
+
/*
* Zero key_frame here; IDR markings per slice in frame or fields are ORed
* in later.
pic->f.key_frame = 0;
pic->mmco_reset = 0;
pic->recovered = 0;
+ pic->invalid_gap = 0;
+ pic->sei_recovery_frame_cnt = h->sei_recovery_frame_cnt;
if ((ret = alloc_picture(h, pic)) < 0)
return ret;
+ if(!h->frame_recovered && !h->avctx->hwaccel &&
+ !(h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU))
+ avpriv_color_frame(&pic->f, c);
h->cur_pic_ptr = pic;
ff_h264_unref_picture(h, &h->cur_pic);
+ if (CONFIG_ERROR_RESILIENCE) {
+ ff_h264_set_erpic(&h->slice_ctx[0].er.cur_pic, NULL);
+ }
+
if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
return ret;
- if (CONFIG_ERROR_RESILIENCE)
+ if (CONFIG_ERROR_RESILIENCE) {
ff_er_frame_start(&h->slice_ctx[0].er);
+ ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
+ ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
+ }
assert(h->linesize && h->uvlinesize);
h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((scan8[i] - scan8[0]) >> 3);
}
- /* Some macroblocks can be accessed before they're available in case
- * of lost slices, MBAFF or threading. */
- memset(h->slice_table, -1,
- (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
-
/* We mark the current picture as non-reference after allocating it, so
* that if we break out due to an error it can be released automatically
* in the next ff_mpv_frame_start().
{
int i;
for (i = 0; i < 16; i++) {
-#define TRANSPOSE(x) (x >> 2) | ((x << 2) & 0xF)
+#define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
h->zigzag_scan[i] = TRANSPOSE(zigzag_scan[i]);
h->field_scan[i] = TRANSPOSE(field_scan[i]);
#undef TRANSPOSE
}
for (i = 0; i < 64; i++) {
-#define TRANSPOSE(x) (x >> 3) | ((x & 7) << 3)
+#define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
h->zigzag_scan8x8[i] = TRANSPOSE(ff_zigzag_direct[i]);
h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
h->field_scan8x8[i] = TRANSPOSE(field_scan8x8[i]);
#undef TRANSPOSE
}
if (h->sps.transform_bypass) { // FIXME same ugly
- h->zigzag_scan_q0 = zigzag_scan;
- h->zigzag_scan8x8_q0 = ff_zigzag_direct;
- h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
- h->field_scan_q0 = field_scan;
- h->field_scan8x8_q0 = field_scan8x8;
- h->field_scan8x8_cavlc_q0 = field_scan8x8_cavlc;
+ memcpy(h->zigzag_scan_q0 , zigzag_scan , sizeof(h->zigzag_scan_q0 ));
+ memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 ));
+ memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
+ memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 ));
+ memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
+ memcpy(h->field_scan8x8_cavlc_q0 , field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
} else {
- h->zigzag_scan_q0 = h->zigzag_scan;
- h->zigzag_scan8x8_q0 = h->zigzag_scan8x8;
- h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
- h->field_scan_q0 = h->field_scan;
- h->field_scan8x8_q0 = h->field_scan8x8;
- h->field_scan8x8_cavlc_q0 = h->field_scan8x8_cavlc;
+ memcpy(h->zigzag_scan_q0 , h->zigzag_scan , sizeof(h->zigzag_scan_q0 ));
+ memcpy(h->zigzag_scan8x8_q0 , h->zigzag_scan8x8 , sizeof(h->zigzag_scan8x8_q0 ));
+ memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
+ memcpy(h->field_scan_q0 , h->field_scan , sizeof(h->field_scan_q0 ));
+ memcpy(h->field_scan8x8_q0 , h->field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
+ memcpy(h->field_scan8x8_cavlc_q0 , h->field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
}
}
-static enum AVPixelFormat get_pixel_format(H264Context *h)
+static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
{
#define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
CONFIG_H264_VAAPI_HWACCEL + \
CONFIG_H264_VDPAU_HWACCEL)
enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
const enum AVPixelFormat *choices = pix_fmts;
+ int i;
switch (h->sps.bit_depth_luma) {
case 9:
else
*fmt++ = AV_PIX_FMT_YUV420P10;
break;
+ case 12:
+ if (CHROMA444(h)) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ *fmt++ = AV_PIX_FMT_GBRP12;
+ } else
+ *fmt++ = AV_PIX_FMT_YUV444P12;
+ } else if (CHROMA422(h))
+ *fmt++ = AV_PIX_FMT_YUV422P12;
+ else
+ *fmt++ = AV_PIX_FMT_YUV420P12;
+ break;
+ case 14:
+ if (CHROMA444(h)) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ *fmt++ = AV_PIX_FMT_GBRP14;
+ } else
+ *fmt++ = AV_PIX_FMT_YUV444P14;
+ } else if (CHROMA422(h))
+ *fmt++ = AV_PIX_FMT_YUV422P14;
+ else
+ *fmt++ = AV_PIX_FMT_YUV420P14;
+ break;
case 8:
#if CONFIG_H264_VDPAU_HWACCEL
*fmt++ = AV_PIX_FMT_VDPAU;
#endif
if (CHROMA444(h)) {
+ if (h->avctx->colorspace == AVCOL_SPC_YCGCO)
+ av_log(h->avctx, AV_LOG_WARNING, "Detected unsupported YCgCo colorspace.\n");
if (h->avctx->colorspace == AVCOL_SPC_RGB)
*fmt++ = AV_PIX_FMT_GBRP;
else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
*fmt = AV_PIX_FMT_NONE;
- return ff_get_format(h->avctx, choices);
+ for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
+ if (choices[i] == h->avctx->pix_fmt && !force_callback)
+ return choices[i];
+ return ff_thread_get_format(h->avctx, choices);
}
/* export coded and cropped frame dimensions to AVCodecContext */
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;
+ av_assert0(h->sps.crop_right + h->sps.crop_left < (unsigned)h->width);
+ av_assert0(h->sps.crop_top + h->sps.crop_bottom < (unsigned)h->height);
/* handle container cropping */
if (!crop_present &&
if (h->x264_build < 44U)
den *= 2;
av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
- h->sps.num_units_in_tick, den, 1 << 30);
+ h->sps.num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
}
if (reinit)
ret = ff_h264_alloc_tables(h);
if (ret < 0) {
av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
- return ret;
+ goto fail;
}
if (nb_slices > H264_MAX_THREADS || (nb_slices > h->mb_height && h->mb_height)) {
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;
+ goto fail;
}
} else {
for (i = 0; i < h->slice_context_count; i++) {
if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
- return ret;
+ goto fail;
}
}
}
h->context_initialized = 1;
return 0;
+fail:
+ ff_h264_free_tables(h, 0);
+ h->context_initialized = 0;
+ return ret;
+}
+
+static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
+{
+ switch (a) {
+ case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
+ case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
+ case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
+ default:
+ return a;
+ }
}
/**
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 must_reinit;
int needs_reinit = 0;
int field_pic_flag, bottom_field_flag;
+ int first_slice = sl == h->slice_ctx && !h->current_slice;
+ int frame_num, picture_structure, droppable;
+ PPS *pps;
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(&sl->gb);
+ first_mb_in_slice = get_ue_golomb_long(&sl->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
if (h->current_slice && h->cur_pic_ptr && FIELD_PICTURE(h)) {
sl->slice_type_fixed = 0;
slice_type = golomb_to_pict_type[slice_type];
- if (slice_type == AV_PICTURE_TYPE_I ||
- (h->current_slice != 0 && slice_type == h->last_slice_type)) {
- default_ref_list_done = 1;
- }
+
sl->slice_type = slice_type;
sl->slice_type_nos = slice_type & 3;
return AVERROR_INVALIDDATA;
}
+ if (
+ (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
+ (h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
+ (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
+ (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != NAL_IDR_SLICE) ||
+ h->avctx->skip_frame >= AVDISCARD_ALL) {
+ return SLICE_SKIPED;
+ }
+
// to make a few old functions happy, it's wrong though
h->pict_type = sl->slice_type;
pps_id);
return AVERROR_INVALIDDATA;
}
- h->pps = *h->pps_buffers[pps_id];
+ if (h->au_pps_id >= 0 && pps_id != h->au_pps_id) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "PPS change from %d to %d forbidden\n",
+ h->au_pps_id, pps_id);
+ return AVERROR_INVALIDDATA;
+ }
- if (!h->sps_buffers[h->pps.sps_id]) {
+ pps = h->pps_buffers[pps_id];
+
+ if (!h->sps_buffers[pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR,
"non-existing SPS %u referenced\n",
h->pps.sps_id);
return AVERROR_INVALIDDATA;
}
+ if (first_slice)
+ h->pps = *h->pps_buffers[pps_id];
+
+ if (pps->sps_id != h->sps.sps_id ||
+ pps->sps_id != h->current_sps_id ||
+ h->sps_buffers[pps->sps_id]->new) {
- if (h->pps.sps_id != h->sps.sps_id ||
- h->sps_buffers[h->pps.sps_id]->new) {
- h->sps_buffers[h->pps.sps_id]->new = 0;
+ if (!first_slice) {
+ av_log(h->avctx, AV_LOG_ERROR,
+ "SPS changed in the middle of the frame\n");
+ return AVERROR_INVALIDDATA;
+ }
h->sps = *h->sps_buffers[h->pps.sps_id];
+ if (h->mb_width != h->sps.mb_width ||
+ h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) ||
+ h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma ||
+ h->cur_chroma_format_idc != h->sps.chroma_format_idc
+ )
+ needs_reinit = 1;
+
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->avctx->level = h->sps.level_idc;
h->avctx->refs = h->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))
- needs_reinit = 1;
+ must_reinit = (h->context_initialized &&
+ ( 16*h->sps.mb_width != h->avctx->coded_width
+ || 16*h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag) != h->avctx->coded_height
+ || h->avctx->bits_per_raw_sample != h->sps.bit_depth_luma
+ || h->cur_chroma_format_idc != h->sps.chroma_format_idc
+ || h->mb_width != h->sps.mb_width
+ || h->mb_height != h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag)
+ ));
+ if (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0)))
+ must_reinit = 1;
+
+ if (first_slice && av_cmp_q(h->sps.sar, h->avctx->sample_aspect_ratio))
+ must_reinit = 1;
h->mb_width = h->sps.mb_width;
h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
return ret;
if (h->sps.video_signal_type_present_flag) {
- h->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG
- : AVCOL_RANGE_MPEG;
+ h->avctx->color_range = h->sps.full_range>0 ? AVCOL_RANGE_JPEG
+ : AVCOL_RANGE_MPEG;
if (h->sps.colour_description_present_flag) {
if (h->avctx->colorspace != h->sps.colorspace)
needs_reinit = 1;
}
}
- if (h->context_initialized && needs_reinit) {
+ if (h->context_initialized &&
+ (must_reinit || needs_reinit)) {
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"changing width %d -> %d / height %d -> %d on "
return AVERROR_INVALIDDATA;
}
+ av_assert1(first_slice);
+
ff_h264_flush_change(h);
- if ((ret = get_pixel_format(h)) < 0)
+ if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
av_log(h->avctx, AV_LOG_INFO, "Reinit context to %dx%d, "
- "pix_fmt: %d\n", h->width, h->height, h->avctx->pix_fmt);
+ "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
if ((ret = h264_slice_header_init(h, 1)) < 0) {
av_log(h->avctx, AV_LOG_ERROR,
return AVERROR_PATCHWELCOME;
}
- if ((ret = get_pixel_format(h)) < 0)
+ if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
}
}
- if (sl == h->slice_ctx && h->dequant_coeff_pps != pps_id) {
+ if (first_slice && h->dequant_coeff_pps != pps_id) {
h->dequant_coeff_pps = pps_id;
- h264_init_dequant_tables(h);
+ ff_h264_init_dequant_tables(h);
}
- h->frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
+ frame_num = get_bits(&sl->gb, h->sps.log2_max_frame_num);
+ if (!first_slice) {
+ if (h->frame_num != frame_num) {
+ av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
+ h->frame_num, frame_num);
+ return AVERROR_INVALIDDATA;
+ }
+ }
sl->mb_mbaff = 0;
h->mb_aff_frame = 0;
last_pic_structure = h->picture_structure;
last_pic_droppable = h->droppable;
- h->droppable = h->nal_ref_idc == 0;
+ droppable = h->nal_ref_idc == 0;
if (h->sps.frame_mbs_only_flag) {
- h->picture_structure = PICT_FRAME;
+ picture_structure = PICT_FRAME;
} else {
+ if (!h->sps.direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
+ av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
+ return -1;
+ }
field_pic_flag = get_bits1(&sl->gb);
+
if (field_pic_flag) {
bottom_field_flag = get_bits1(&sl->gb);
- h->picture_structure = PICT_TOP_FIELD + bottom_field_flag;
+ picture_structure = PICT_TOP_FIELD + bottom_field_flag;
} else {
- h->picture_structure = PICT_FRAME;
+ picture_structure = PICT_FRAME;
h->mb_aff_frame = h->sps.mb_aff;
}
}
- sl->mb_field_decoding_flag = h->picture_structure != PICT_FRAME;
-
- if (h->current_slice != 0) {
- if (last_pic_structure != h->picture_structure ||
- last_pic_droppable != h->droppable) {
+ if (h->current_slice) {
+ if (last_pic_structure != picture_structure ||
+ last_pic_droppable != 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 (!h->cur_pic_ptr) {
av_log(h->avctx, AV_LOG_ERROR,
h->current_slice + 1);
return AVERROR_INVALIDDATA;
}
- } else {
+ }
+
+ h->picture_structure = picture_structure;
+ h->droppable = droppable;
+ h->frame_num = frame_num;
+ sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
+
+ if (h->current_slice == 0) {
/* 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) {
* 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. */
+ * since that can modify h->cur_pic_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);
+ /* Mark old field/frame as completed */
+ if (h->cur_pic_ptr->tf.owner == h->avctx) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
+ last_pic_structure == PICT_BOTTOM_FIELD);
+ }
+
/* 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) {
+ if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
* 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) {
+ if (last_pic_structure != PICT_FRAME) {
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
last_pic_structure == PICT_TOP_FIELD);
}
}
}
- while (h->frame_num != h->prev_frame_num &&
+ while (h->frame_num != h->prev_frame_num && !h->first_field &&
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);
+ if (!h->sps.gaps_in_frame_num_allowed_flag)
+ for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
+ h->last_pocs[i] = INT_MIN;
ret = h264_frame_start(h);
if (ret < 0) {
h->first_field = 0;
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;
+ h->cur_pic_ptr->invalid_gap = !h->sps.gaps_in_frame_num_allowed_flag;
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 (!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->missing_fields ++;
h->cur_pic_ptr = NULL;
h->first_field = FIELD_PICTURE(h);
} else {
+ h->missing_fields = 0;
if (h->cur_pic_ptr->frame_num != h->frame_num) {
+ ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
+ h->picture_structure==PICT_BOTTOM_FIELD);
/* This and the previous field had different frame_nums.
* Consider this field first in pair. Throw away previous
* one except for reference purposes. */
} else {
release_unused_pictures(h, 0);
}
+ /* Some macroblocks can be accessed before they're available in case
+ * of lost slices, MBAFF or threading. */
+ if (FIELD_PICTURE(h)) {
+ for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
+ memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
+ } else {
+ memset(h->slice_table, -1,
+ (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
+ }
+ h->last_slice_type = -1;
}
+
h->cur_pic_ptr->frame_num = h->frame_num; // FIXME frame_num cleanup
- assert(h->mb_num == h->mb_width * h->mb_height);
+ av_assert1(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");
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);
+ av_assert1(sl->mb_y < h->mb_height);
if (h->picture_structure == PICT_FRAME) {
h->curr_pic_num = h->frame_num;
ret = ff_set_ref_count(h, sl);
if (ret < 0)
return ret;
- else if (ret == 1)
- default_ref_list_done = 0;
- if (!default_ref_list_done)
+ if (slice_type != AV_PICTURE_TYPE_I &&
+ (h->current_slice == 0 ||
+ slice_type != h->last_slice_type ||
+ memcmp(h->last_ref_count, sl->ref_count, sizeof(sl->ref_count)))) {
+
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);
if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
(h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
+ h->nal_unit_type != NAL_IDR_SLICE) ||
+ (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
(h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
h->max_contexts = 1;
if (!h->single_decode_warning) {
av_log(h->avctx, AV_LOG_INFO,
- "Cannot parallelize deblocking type 1, decoding such frames in sequential order\n");
+ "Cannot parallelize slice decoding with deblocking filter type 1, decoding such frames in sequential order\n"
+ "To parallelize slice decoding you need video encoded with disable_deblocking_filter_idc set to 2 (deblock only edges that do not cross slices).\n"
+ "Setting the flags2 libavcodec option to +fast (-flags2 +fast) will disable deblocking across slices and enable parallel slice decoding "
+ "but will generate non-standard-compliant output.\n");
h->single_decode_warning = 1;
}
if (sl != h->slice_ctx) {
av_log(h->avctx, AV_LOG_ERROR,
"Deblocking switched inside frame.\n");
- return 1;
+ return SLICE_SINGLETHREAD;
}
}
}
6 * (h->sps.bit_depth_luma - 8);
h->last_slice_type = slice_type;
+ memcpy(h->last_ref_count, sl->ref_count, sizeof(h->last_ref_count));
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");
+
+ if (sl->slice_num)
+ h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
+ if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
+ && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
+ && sl->slice_num >= MAX_SLICES) {
+ //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
+ av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
}
for (j = 0; j < 2; j++) {
(sl->ref_list[j][i].reference & 3);
}
+ h->au_pps_id = pps_id;
+ h->sps.new =
+ h->sps_buffers[h->pps.sps_id]->new = 0;
+ h->current_sps_id = h->pps.sps_id;
+
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",
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(sl) ? 20 : 2);
+ int (*ref2frm)[64] = (void*)(sl->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]];
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(sl) ? 20 : 2);
+ int (*ref2frm)[64] =(void*)( sl->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]);
{
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(sl) ? 20 : 2);
+ int (*ref2frm)[64] = (void*)(sl->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);
ff_h264_draw_horiz_band(h, sl, top, height);
- if (h->droppable)
+ if (h->droppable || sl->er.error_occurred)
return;
ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
int startx, int starty,
int endx, int endy, int status)
{
-#if CONFIG_ERROR_RESILIENCE
- ERContext *er = &sl->er;
+ if (CONFIG_ERROR_RESILIENCE) {
+ ERContext *er = &sl->er;
- er->ref_count = sl->ref_count[0];
- ff_er_add_slice(er, startx, starty, endx, endy, status);
-#endif
+ ff_er_add_slice(er, startx, starty, endx, endy, status);
+ }
}
static int decode_slice(struct AVCodecContext *avctx, void *arg)
sl->mb_skip_run = -1;
+ av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * h->linesize * ((scan8[15] - scan8[0]) >> 3));
+
sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
avctx->codec_id != AV_CODEC_ID_H264 ||
(CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY));
+ if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && sl->er.error_status_table) {
+ const int start_i = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
+ if (start_i) {
+ int prev_status = sl->er.error_status_table[sl->er.mb_index2xy[start_i - 1]];
+ prev_status &= ~ VP_START;
+ if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
+ sl->er.error_occurred = 1;
+ }
+ }
+
if (h->pps.cabac) {
/* realign */
align_get_bits(&sl->gb);
loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
return 0;
}
- if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
+ if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
+ av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
+ if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 4) {
av_log(h->avctx, AV_LOG_ERROR,
- "error while decoding MB %d %d, bytestream %td\n",
+ "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
sl->mb_x, sl->mb_y,
sl->cabac.bytestream_end - sl->cabac.bytestream);
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
tprintf(h->avctx, "slice end %d %d\n",
get_bits_count(&sl->gb), sl->gb.size_in_bits);
- if (get_bits_left(&sl->gb) == 0) {
+ if ( get_bits_left(&sl->gb) == 0
+ || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
sl->mb_x - 1, sl->mb_y, ER_MB_END);
return 0;
} else {
er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
- sl->mb_x - 1, sl->mb_y, ER_MB_END);
+ sl->mb_x, sl->mb_y, ER_MB_END);
return AVERROR_INVALIDDATA;
}
H264SliceContext *sl;
int i;
- if (h->avctx->hwaccel)
+ av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
+
+ if (h->avctx->hwaccel ||
+ h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
return 0;
if (context_count == 1) {
int ret = decode_slice(avctx, &h->slice_ctx[0]);
h->mb_y = h->slice_ctx[0].mb_y;
return ret;
} else {
+ av_assert0(context_count > 0);
for (i = 1; i < context_count; i++) {
sl = &h->slice_ctx[i];
- sl->er.error_count = 0;
+ if (CONFIG_ERROR_RESILIENCE) {
+ sl->er.error_count = 0;
+ }
}
avctx->execute(avctx, decode_slice, h->slice_ctx,
/* pull back stuff from slices to master context */
sl = &h->slice_ctx[context_count - 1];
h->mb_y = sl->mb_y;
- for (i = 1; i < context_count; i++)
- h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
+ if (CONFIG_ERROR_RESILIENCE) {
+ for (i = 1; i < context_count; i++)
+ h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
+ }
}
return 0;
projects / ffmpeg / blobdiff