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/* |
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* H.26L/H.264/AVC/JVT/14496-10/... decoder |
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* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* H.264 / AVC / MPEG-4 part10 codec. |
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* @author Michael Niedermayer <michaelni@gmx.at> |
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*/ |
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#include "libavutil/avassert.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/timer.h" |
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#include "internal.h" |
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#include "cabac.h" |
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#include "cabac_functions.h" |
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#include "error_resilience.h" |
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#include "avcodec.h" |
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#include "h264dec.h" |
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#include "h264data.h" |
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#include "h264chroma.h" |
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#include "h264_mvpred.h" |
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#include "mathops.h" |
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#include "mpegutils.h" |
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#include "rectangle.h" |
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#include "thread.h" |
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121546 |
void ff_h264_unref_picture(H264Context *h, H264Picture *pic) |
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{ |
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121546 |
int off = offsetof(H264Picture, tf) + sizeof(pic->tf); |
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int i; |
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✓✗✓✓
|
121546 |
if (!pic->f || !pic->f->buf[0]) |
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73689 |
return; |
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47857 |
ff_thread_release_buffer(h->avctx, &pic->tf); |
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47857 |
av_buffer_unref(&pic->hwaccel_priv_buf); |
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47857 |
av_buffer_unref(&pic->qscale_table_buf); |
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47857 |
av_buffer_unref(&pic->mb_type_buf); |
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✓✓ |
143571 |
for (i = 0; i < 2; i++) { |
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95714 |
av_buffer_unref(&pic->motion_val_buf[i]); |
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95714 |
av_buffer_unref(&pic->ref_index_buf[i]); |
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} |
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47857 |
memset((uint8_t*)pic + off, 0, sizeof(*pic) - off); |
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} |
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24558 |
int ff_h264_ref_picture(H264Context *h, H264Picture *dst, H264Picture *src) |
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{ |
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int ret, i; |
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✗✓ |
24558 |
av_assert0(!dst->f->buf[0]); |
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✗✓ |
24558 |
av_assert0(src->f->buf[0]); |
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✗✓ |
24558 |
av_assert0(src->tf.f == src->f); |
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24558 |
dst->tf.f = dst->f; |
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24558 |
ret = ff_thread_ref_frame(&dst->tf, &src->tf); |
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✗✓ |
24558 |
if (ret < 0) |
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goto fail; |
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24558 |
dst->qscale_table_buf = av_buffer_ref(src->qscale_table_buf); |
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24558 |
dst->mb_type_buf = av_buffer_ref(src->mb_type_buf); |
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✓✗✗✓
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24558 |
if (!dst->qscale_table_buf || !dst->mb_type_buf) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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24558 |
dst->qscale_table = src->qscale_table; |
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24558 |
dst->mb_type = src->mb_type; |
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✓✓ |
73674 |
for (i = 0; i < 2; i++) { |
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49116 |
dst->motion_val_buf[i] = av_buffer_ref(src->motion_val_buf[i]); |
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49116 |
dst->ref_index_buf[i] = av_buffer_ref(src->ref_index_buf[i]); |
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✓✗✗✓
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49116 |
if (!dst->motion_val_buf[i] || !dst->ref_index_buf[i]) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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49116 |
dst->motion_val[i] = src->motion_val[i]; |
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49116 |
dst->ref_index[i] = src->ref_index[i]; |
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} |
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✗✓ |
24558 |
if (src->hwaccel_picture_private) { |
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dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf); |
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if (!dst->hwaccel_priv_buf) { |
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ret = AVERROR(ENOMEM); |
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goto fail; |
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} |
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dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data; |
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} |
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✓✓ |
73674 |
for (i = 0; i < 2; i++) |
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49116 |
dst->field_poc[i] = src->field_poc[i]; |
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24558 |
memcpy(dst->ref_poc, src->ref_poc, sizeof(src->ref_poc)); |
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24558 |
memcpy(dst->ref_count, src->ref_count, sizeof(src->ref_count)); |
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24558 |
dst->poc = src->poc; |
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24558 |
dst->frame_num = src->frame_num; |
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24558 |
dst->mmco_reset = src->mmco_reset; |
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24558 |
dst->long_ref = src->long_ref; |
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24558 |
dst->mbaff = src->mbaff; |
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24558 |
dst->field_picture = src->field_picture; |
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24558 |
dst->reference = src->reference; |
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24558 |
dst->recovered = src->recovered; |
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24558 |
dst->invalid_gap = src->invalid_gap; |
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24558 |
dst->sei_recovery_frame_cnt = src->sei_recovery_frame_cnt; |
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24558 |
return 0; |
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fail: |
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ff_h264_unref_picture(h, dst); |
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return ret; |
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} |
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124298 |
void ff_h264_set_erpic(ERPicture *dst, H264Picture *src) |
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{ |
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#if CONFIG_ERROR_RESILIENCE |
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int i; |
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124298 |
memset(dst, 0, sizeof(*dst)); |
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✓✓ |
124298 |
if (!src) |
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79897 |
return; |
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44401 |
dst->f = src->f; |
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44401 |
dst->tf = &src->tf; |
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✓✓ |
133203 |
for (i = 0; i < 2; i++) { |
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88802 |
dst->motion_val[i] = src->motion_val[i]; |
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88802 |
dst->ref_index[i] = src->ref_index[i]; |
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} |
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44401 |
dst->mb_type = src->mb_type; |
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44401 |
dst->field_picture = src->field_picture; |
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#endif /* CONFIG_ERROR_RESILIENCE */ |
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} |
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25902 |
int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup) |
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{ |
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25902 |
AVCodecContext *const avctx = h->avctx; |
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25902 |
int err = 0; |
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25902 |
h->mb_y = 0; |
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✓✓✓✓
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25902 |
if (in_setup || !(avctx->active_thread_type & FF_THREAD_FRAME)) { |
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✓✓ |
25870 |
if (!h->droppable) { |
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16796 |
err = ff_h264_execute_ref_pic_marking(h); |
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16796 |
h->poc.prev_poc_msb = h->poc.poc_msb; |
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16796 |
h->poc.prev_poc_lsb = h->poc.poc_lsb; |
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} |
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25870 |
h->poc.prev_frame_num_offset = h->poc.frame_num_offset; |
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25870 |
h->poc.prev_frame_num = h->poc.frame_num; |
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} |
169 |
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✗✓ |
25902 |
if (avctx->hwaccel) { |
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err = avctx->hwaccel->end_frame(avctx); |
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if (err < 0) |
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av_log(avctx, AV_LOG_ERROR, |
174 |
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"hardware accelerator failed to decode picture\n"); |
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} |
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177 |
✓✓✓✓
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25902 |
if (!in_setup && !h->droppable) |
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16746 |
ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, |
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16746 |
h->picture_structure == PICT_BOTTOM_FIELD); |
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25902 |
emms_c(); |
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25902 |
h->current_slice = 0; |
183 |
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184 |
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25902 |
return err; |
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} |