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-rw-r--r--libavcodec/h264.c842
1 files changed, 552 insertions, 290 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 37b3337e55..dd36e64ad7 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -2,20 +2,20 @@
* 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
*/
@@ -25,7 +25,10 @@
* @author Michael Niedermayer <michaelni@gmx.at>
*/
+#define UNCHECKED_BITSTREAM_READER 1
+
#include "libavutil/imgutils.h"
+#include "libavutil/opt.h"
#include "internal.h"
#include "cabac.h"
#include "cabac_functions.h"
@@ -53,13 +56,17 @@ const uint16_t ff_h264_mb_sizes[4] = { 256, 384, 512, 768 };
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 enum AVPixelFormat h264_hwaccel_pixfmt_list_420[] = {
@@ -96,6 +103,12 @@ static const enum AVPixelFormat h264_hwaccel_pixfmt_list_jpeg_420[] = {
AV_PIX_FMT_NONE
};
+int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx)
+{
+ H264Context *h = avctx->priv_data;
+ return h ? h->sps.num_reorder_frames : 0;
+}
+
static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
int (*mv)[2][4][2],
int mb_x, int mb_y, int mb_intra, int mb_skipped)
@@ -106,19 +119,28 @@ static void h264_er_decode_mb(void *opaque, int ref, int mv_dir, int mv_type,
h->mb_y = mb_y;
h->mb_xy = mb_x + mb_y * h->mb_stride;
memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));
- assert(ref >= 0);
+ av_assert1(ref >= 0);
/* FIXME: It is possible albeit uncommon that slice references
* differ between slices. We take the easy approach and ignore
* it for now. If this turns out to have any relevance in
* practice then correct remapping should be added. */
if (ref >= h->ref_count[0])
ref = 0;
+ if (!h->ref_list[0][ref].f.data[0]) {
+ av_log(h->avctx, AV_LOG_DEBUG, "Reference not available for error concealing\n");
+ ref = 0;
+ }
+ if ((h->ref_list[0][ref].reference&3) != 3) {
+ av_log(h->avctx, AV_LOG_DEBUG, "Reference invalid\n");
+ return;
+ }
fill_rectangle(&h->cur_pic.ref_index[0][4 * h->mb_xy],
2, 2, 2, ref, 1);
fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,
pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4);
- assert(!FRAME_MBAFF);
+ h->mb_mbaff =
+ h->mb_field_decoding_flag = 0;
ff_h264_hl_decode_mb(h);
}
@@ -174,6 +196,7 @@ static void unref_picture(H264Context *h, Picture *pic)
if (!pic->f.data[0])
return;
+ pic->period_since_free = 0;
ff_thread_release_buffer(h->avctx, &pic->tf);
av_buffer_unref(&pic->hwaccel_priv_buf);
@@ -252,6 +275,8 @@ static int ref_picture(H264Context *h, Picture *dst, Picture *src)
dst->field_picture = src->field_picture;
dst->needs_realloc = src->needs_realloc;
dst->reference = src->reference;
+ dst->sync = src->sync;
+ dst->period_since_free = src->period_since_free;
return 0;
fail:
@@ -370,6 +395,10 @@ fail:
static inline int pic_is_unused(H264Context *h, Picture *pic)
{
+ if ( (h->avctx->active_thread_type & FF_THREAD_FRAME)
+ && pic->f.qscale_table //check if the frame has anything allocated
+ && pic->period_since_free < h->avctx->thread_count)
+ return 0;
if (pic->f.data[0] == NULL)
return 1;
if (pic->needs_realloc && !(pic->reference & DELAYED_PIC_REF))
@@ -547,21 +576,27 @@ const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src,
}
#endif
- if (i >= length - 1) { // no escaped 0
- *dst_length = length;
- *consumed = length + 1; // +1 for the header
- return src;
- }
-
// use second escape buffer for inter data
bufidx = h->nal_unit_type == NAL_DPC ? 1 : 0;
- av_fast_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx],
- length + FF_INPUT_BUFFER_PADDING_SIZE);
+
+ si = h->rbsp_buffer_size[bufidx];
+ av_fast_padded_malloc(&h->rbsp_buffer[bufidx], &h->rbsp_buffer_size[bufidx], length+MAX_MBPAIR_SIZE);
dst = h->rbsp_buffer[bufidx];
if (dst == NULL)
return NULL;
+ if(i>=length-1){ //no escaped 0
+ *dst_length= length;
+ *consumed= length+1; //+1 for the header
+ if(h->avctx->flags2 & CODEC_FLAG2_FAST){
+ return src;
+ }else{
+ memcpy(dst, src, length);
+ return dst;
+ }
+ }
+
memcpy(dst, src, i);
si = di = i;
while (si + 2 < length) {
@@ -617,13 +652,13 @@ static inline int get_lowest_part_list_y(H264Context *h, Picture *pic, int n,
int height, int y_offset, int list)
{
int raw_my = h->mv_cache[list][scan8[n]][1];
- int filter_height_up = (raw_my & 3) ? 2 : 0;
int filter_height_down = (raw_my & 3) ? 3 : 0;
int full_my = (raw_my >> 2) + y_offset;
- int top = full_my - filter_height_up;
int bottom = full_my + filter_height_down + height;
- return FFMAX(abs(top), bottom);
+ av_assert2(height >= 0);
+
+ return FFMAX(0, bottom);
}
static inline void get_lowest_part_y(H264Context *h, int refs[2][48], int n,
@@ -695,7 +730,7 @@ static void await_references(H264Context *h)
} else {
int i;
- assert(IS_8X8(mb_type));
+ av_assert2(IS_8X8(mb_type));
for (i = 0; i < 4; i++) {
const int sub_mb_type = h->sub_mb_type[i];
@@ -727,7 +762,7 @@ static void await_references(H264Context *h)
nrefs);
} else {
int j;
- assert(IS_SUB_4X4(sub_mb_type));
+ av_assert2(IS_SUB_4X4(sub_mb_type));
for (j = 0; j < 4; j++) {
int sub_y_offset = y_offset + 2 * (j & 2);
get_lowest_part_y(h, refs, n + j, 4, sub_y_offset,
@@ -1062,9 +1097,7 @@ static av_always_inline void prefetch_motion(H264Context *h, int list,
h->vdsp.prefetch(src[1] + off, h->linesize, 4);
h->vdsp.prefetch(src[2] + off, h->linesize, 4);
} else {
- off = ((mx >> 1) << pixel_shift) +
- ((my >> 1) + (h->mb_x & 7)) * h->uvlinesize +
- (64 << pixel_shift);
+ off= (((mx>>1)+64)<<pixel_shift) + ((my>>1) + (h->mb_x&7))*h->uvlinesize;
h->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
}
}
@@ -1089,6 +1122,9 @@ static void free_tables(H264Context *h, int free_rbsp)
av_freep(&h->mb2b_xy);
av_freep(&h->mb2br_xy);
+ for (i = 0; i < 3; i++)
+ av_freep(&h->visualization_buffer[i]);
+
av_buffer_pool_uninit(&h->qscale_table_pool);
av_buffer_pool_uninit(&h->mb_type_pool);
av_buffer_pool_uninit(&h->motion_val_pool);
@@ -1205,7 +1241,7 @@ static void init_dequant_tables(H264Context *h)
int ff_h264_alloc_tables(H264Context *h)
{
const int big_mb_num = h->mb_stride * (h->mb_height + 1);
- const int row_mb_num = h->mb_stride * 2 * h->avctx->thread_count;
+ const int row_mb_num = 2*h->mb_stride*FFMAX(h->avctx->thread_count, 1);
int x, y, i;
FF_ALLOCZ_OR_GOTO(h->avctx, h->intra4x4_pred_mode,
@@ -1314,6 +1350,7 @@ static int context_init(H264Context *h)
h->ref_cache[1][scan8[7] + 1] =
h->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
+ if (CONFIG_ERROR_RESILIENCE) {
/* init ER */
er->avctx = h->avctx;
er->dsp = &h->dsp;
@@ -1353,6 +1390,7 @@ static int context_init(H264Context *h)
er->dc_val[2] = er->dc_val[1] + c_size;
for (i = 0; i < yc_size; i++)
h->dc_val_base[i] = 1024;
+ }
return 0;
@@ -1363,17 +1401,20 @@ fail:
static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
int parse_extradata);
-int ff_h264_decode_extradata(H264Context *h)
+int ff_h264_decode_extradata(H264Context *h, const uint8_t *buf, int size)
{
AVCodecContext *avctx = h->avctx;
- if (avctx->extradata[0] == 1) {
+ if (!buf || size <= 0)
+ return -1;
+
+ if (buf[0] == 1) {
int i, cnt, nalsize;
- unsigned char *p = avctx->extradata;
+ const unsigned char *p = buf;
h->is_avc = 1;
- if (avctx->extradata_size < 7) {
+ if (size < 7) {
av_log(avctx, AV_LOG_ERROR, "avcC too short\n");
return -1;
}
@@ -1385,7 +1426,7 @@ int ff_h264_decode_extradata(H264Context *h)
p += 6;
for (i = 0; i < cnt; i++) {
nalsize = AV_RB16(p) + 2;
- if (p - avctx->extradata + nalsize > avctx->extradata_size)
+ if(nalsize > size - (p-buf))
return -1;
if (decode_nal_units(h, p, nalsize, 1) < 0) {
av_log(avctx, AV_LOG_ERROR,
@@ -1398,7 +1439,7 @@ int ff_h264_decode_extradata(H264Context *h)
cnt = *(p++); // Number of pps
for (i = 0; i < cnt; i++) {
nalsize = AV_RB16(p) + 2;
- if (p - avctx->extradata + nalsize > avctx->extradata_size)
+ if(nalsize > size - (p-buf))
return -1;
if (decode_nal_units(h, p, nalsize, 1) < 0) {
av_log(avctx, AV_LOG_ERROR,
@@ -1408,13 +1449,13 @@ int ff_h264_decode_extradata(H264Context *h)
p += nalsize;
}
// Now store right nal length size, that will be used to parse all other nals
- h->nal_length_size = (avctx->extradata[4] & 0x03) + 1;
+ h->nal_length_size = (buf[4] & 0x03) + 1;
} else {
h->is_avc = 0;
- if (decode_nal_units(h, avctx->extradata, avctx->extradata_size, 1) < 0)
+ if (decode_nal_units(h, buf, size, 1) < 0)
return -1;
}
- return 0;
+ return size;
}
av_cold int ff_h264_decode_init(AVCodecContext *avctx)
@@ -1430,15 +1471,21 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
h->bit_depth_luma = 8;
h->chroma_format_idc = 1;
+ h->avctx->bits_per_raw_sample = 8;
+ h->cur_chroma_format_idc = 1;
+
ff_h264dsp_init(&h->h264dsp, 8, 1);
+ av_assert0(h->sps.bit_depth_chroma == 0);
ff_h264chroma_init(&h->h264chroma, h->sps.bit_depth_chroma);
ff_h264qpel_init(&h->h264qpel, 8);
ff_h264_pred_init(&h->hpc, h->avctx->codec_id, 8, 1);
h->dequant_coeff_pps = -1;
- /* needed so that IDCT permutation is known early */
- ff_dsputil_init(&h->dsp, h->avctx);
+ if (CONFIG_ERROR_RESILIENCE) {
+ /* needed so that IDCT permutation is known early */
+ ff_dsputil_init(&h->dsp, h->avctx);
+ }
ff_videodsp_init(&h->vdsp, 8);
memset(h->pps.scaling_matrix4, 16, 6 * 16 * sizeof(uint8_t));
@@ -1466,17 +1513,24 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
h->last_pocs[i] = INT_MIN;
h->prev_poc_msb = 1 << 16;
+ h->prev_frame_num = -1;
h->x264_build = -1;
ff_h264_reset_sei(h);
if (avctx->codec_id == AV_CODEC_ID_H264) {
- if (avctx->ticks_per_frame == 1)
- h->avctx->time_base.den *= 2;
+ if (avctx->ticks_per_frame == 1) {
+ if(h->avctx->time_base.den < INT_MAX/2) {
+ h->avctx->time_base.den *= 2;
+ } else
+ h->avctx->time_base.num /= 2;
+ }
avctx->ticks_per_frame = 2;
}
if (avctx->extradata_size > 0 && avctx->extradata &&
- ff_h264_decode_extradata(h))
+ ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size) < 0) {
+ ff_h264_free_context(h);
return -1;
+ }
if (h->sps.bitstream_restriction_flag &&
h->avctx->has_b_frames < h->sps.num_reorder_frames) {
@@ -1484,6 +1538,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx)
h->low_delay = 0;
}
+ ff_init_cabac_states();
avctx->internal->allocate_progress = 1;
return 0;
@@ -1556,7 +1611,7 @@ static int decode_update_thread_context(AVCodecContext *dst,
int context_reinitialized = 0;
int i, ret;
- if (dst == src || !h1->context_initialized)
+ if (dst == src)
return 0;
if (inited &&
@@ -1582,6 +1637,13 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->mb_num = h1->mb_num;
h->mb_stride = h1->mb_stride;
h->b_stride = h1->b_stride;
+ // SPS/PPS
+ copy_parameter_set((void **)h->sps_buffers, (void **)h1->sps_buffers,
+ MAX_SPS_COUNT, sizeof(SPS));
+ h->sps = h1->sps;
+ copy_parameter_set((void **)h->pps_buffers, (void **)h1->pps_buffers,
+ MAX_PPS_COUNT, sizeof(PPS));
+ 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");
@@ -1589,14 +1651,19 @@ static int decode_update_thread_context(AVCodecContext *dst,
}
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) {
for (i = 0; i < MAX_SPS_COUNT; i++)
@@ -1605,17 +1672,16 @@ static int decode_update_thread_context(AVCodecContext *dst,
for (i = 0; i < MAX_PPS_COUNT; i++)
av_freep(h->pps_buffers + i);
- memcpy(h, h1, sizeof(*h1));
+ memcpy(h, h1, offsetof(H264Context, intra_pcm_ptr));
+ memcpy(&h->cabac, &h1->cabac,
+ sizeof(H264Context) - offsetof(H264Context, cabac));
+ av_assert0((void*)&h->cabac == &h->mb_padding + 1);
+
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));
memset(&h->me, 0, sizeof(h->me));
- h->context_initialized = 0;
-
- memset(&h->cur_pic, 0, sizeof(h->cur_pic));
- avcodec_get_frame_defaults(&h->cur_pic.f);
- h->cur_pic.tf.f = &h->cur_pic.f;
-
h->avctx = dst;
h->DPB = NULL;
h->qscale_table_pool = NULL;
@@ -1623,11 +1689,19 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->ref_index_pool = NULL;
h->motion_val_pool = NULL;
+ if (h1->context_initialized) {
+ h->context_initialized = 0;
+
+ memset(&h->cur_pic, 0, sizeof(h->cur_pic));
+ avcodec_get_frame_defaults(&h->cur_pic.f);
+ h->cur_pic.tf.f = &h->cur_pic.f;
+
if (ff_h264_alloc_tables(h) < 0) {
av_log(dst, AV_LOG_ERROR, "Could not allocate memory for h264\n");
return AVERROR(ENOMEM);
}
context_init(h);
+ }
for (i = 0; i < 2; i++) {
h->rbsp_buffer[i] = NULL;
@@ -1637,10 +1711,7 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->edge_emu_buffer = NULL;
h->thread_context[0] = h;
-
- h->dsp.clear_blocks(h->mb);
- h->dsp.clear_blocks(h->mb + (24 * 16 << h->pixel_shift));
- h->context_initialized = 1;
+ h->context_initialized = h1->context_initialized;
}
h->avctx->coded_height = h1->avctx->coded_height;
@@ -1655,7 +1726,8 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->data_partitioning = h1->data_partitioning;
h->low_delay = h1->low_delay;
- for (i = 0; i < MAX_PICTURE_COUNT; i++) {
+ for (i = 0; h->DPB && i < MAX_PICTURE_COUNT; i++) {
+ h->DPB[i].period_since_free ++;
unref_picture(h, &h->DPB[i]);
if (h1->DPB[i].f.data[0] &&
(ret = ref_picture(h, &h->DPB[i], &h1->DPB[i])) < 0)
@@ -1664,19 +1736,13 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
unref_picture(h, &h->cur_pic);
- if ((ret = ref_picture(h, &h->cur_pic, &h1->cur_pic)) < 0)
+ if (h1->cur_pic.f.buf[0] && (ret = ref_picture(h, &h->cur_pic, &h1->cur_pic)) < 0)
return ret;
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;
@@ -1714,6 +1780,8 @@ static int decode_update_thread_context(AVCodecContext *dst,
MAX_DELAYED_PIC_COUNT + 2, h, h1);
h->last_slice_type = h1->last_slice_type;
+ h->sync = h1->sync;
+ memcpy(h->last_ref_count, h1->last_ref_count, sizeof(h->last_ref_count));
if (context_reinitialized)
h264_set_parameter_from_sps(h);
@@ -1738,6 +1806,17 @@ static int h264_frame_start(H264Context *h)
Picture *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;
@@ -1752,23 +1831,32 @@ static int h264_frame_start(H264Context *h)
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.
* See decode_nal_units().
*/
pic->f.key_frame = 0;
+ pic->sync = 0;
pic->mmco_reset = 0;
if ((ret = alloc_picture(h, pic)) < 0)
return ret;
+ if(!h->sync && !h->avctx->hwaccel &&
+ !(h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU))
+ avpriv_color_frame(&pic->f, c);
h->cur_pic_ptr = pic;
unref_picture(h, &h->cur_pic);
if ((ret = ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
return ret;
- ff_er_frame_start(&h->er);
+ if (CONFIG_ERROR_RESILIENCE) {
+ ff_er_frame_start(&h->er);
+ h->er.last_pic =
+ h->er.next_pic = NULL;
+ }
assert(h->linesize && h->uvlinesize);
@@ -1783,22 +1871,13 @@ static int h264_frame_start(H264Context *h)
h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * h->uvlinesize * ((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,
(h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
- // s->decode = (s->flags & CODEC_FLAG_PSNR) || !s->encoding ||
- // s->current_picture.f.reference /* || h->contains_intra */ || 1;
+ // s->decode = (h->flags & CODEC_FLAG_PSNR) || !s->encoding ||
+ // h->cur_pic.reference /* || h->contains_intra */ || 1;
/* 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
@@ -1828,7 +1907,6 @@ static void decode_postinit(H264Context *h, int setup_finished)
Picture *out = h->cur_pic_ptr;
Picture *cur = h->cur_pic_ptr;
int i, pics, out_of_order, out_idx;
- int invalid = 0, cnt = 0;
h->cur_pic_ptr->f.pict_type = h->pict_type;
@@ -1910,6 +1988,8 @@ static void decode_postinit(H264Context *h, int setup_finished)
}
}
+ cur->mmco_reset = h->mmco_reset;
+ h->mmco_reset = 0;
// FIXME do something with unavailable reference frames
/* Sort B-frames into display order */
@@ -1926,107 +2006,75 @@ static void decode_postinit(H264Context *h, int setup_finished)
h->low_delay = 0;
}
+ for (i = 0; 1; i++) {
+ if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){
+ if(i)
+ h->last_pocs[i-1] = cur->poc;
+ break;
+ } else if(i) {
+ h->last_pocs[i-1]= h->last_pocs[i];
+ }
+ }
+ out_of_order = MAX_DELAYED_PIC_COUNT - i;
+ if( cur->f.pict_type == AV_PICTURE_TYPE_B
+ || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2))
+ out_of_order = FFMAX(out_of_order, 1);
+ if (out_of_order == MAX_DELAYED_PIC_COUNT) {
+ av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
+ for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++)
+ h->last_pocs[i] = INT_MIN;
+ h->last_pocs[0] = cur->poc;
+ cur->mmco_reset = 1;
+ } else if(h->avctx->has_b_frames < out_of_order && !h->sps.bitstream_restriction_flag){
+ av_log(h->avctx, AV_LOG_VERBOSE, "Increasing reorder buffer to %d\n", out_of_order);
+ h->avctx->has_b_frames = out_of_order;
+ h->low_delay = 0;
+ }
+
pics = 0;
while (h->delayed_pic[pics])
pics++;
- assert(pics <= MAX_DELAYED_PIC_COUNT);
+ av_assert0(pics <= MAX_DELAYED_PIC_COUNT);
h->delayed_pic[pics++] = cur;
if (cur->reference == 0)
cur->reference = DELAYED_PIC_REF;
- /* Frame reordering. This code takes pictures from coding order and sorts
- * them by their incremental POC value into display order. It supports POC
- * gaps, MMCO reset codes and random resets.
- * A "display group" can start either with a IDR frame (f.key_frame = 1),
- * and/or can be closed down with a MMCO reset code. In sequences where
- * there is no delay, we can't detect that (since the frame was already
- * output to the user), so we also set h->mmco_reset to detect the MMCO
- * reset code.
- * FIXME: if we detect insufficient delays (as per h->avctx->has_b_frames),
- * we increase the delay between input and output. All frames affected by
- * the lag (e.g. those that should have been output before another frame
- * that we already returned to the user) will be dropped. This is a bug
- * that we will fix later. */
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {
- cnt += out->poc < h->last_pocs[i];
- invalid += out->poc == INT_MIN;
- }
- if (!h->mmco_reset && !cur->f.key_frame &&
- cnt + invalid == MAX_DELAYED_PIC_COUNT && cnt > 0) {
- h->mmco_reset = 2;
- if (pics > 1)
- h->delayed_pic[pics - 2]->mmco_reset = 2;
- }
- if (h->mmco_reset || cur->f.key_frame) {
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
- h->last_pocs[i] = INT_MIN;
- cnt = 0;
- invalid = MAX_DELAYED_PIC_COUNT;
- }
- out = h->delayed_pic[0];
+ out = h->delayed_pic[0];
out_idx = 0;
- for (i = 1; i < MAX_DELAYED_PIC_COUNT &&
- h->delayed_pic[i] &&
- !h->delayed_pic[i - 1]->mmco_reset &&
- !h->delayed_pic[i]->f.key_frame;
+ for (i = 1; h->delayed_pic[i] &&
+ !h->delayed_pic[i]->f.key_frame &&
+ !h->delayed_pic[i]->mmco_reset;
i++)
if (h->delayed_pic[i]->poc < out->poc) {
out = h->delayed_pic[i];
out_idx = i;
}
if (h->avctx->has_b_frames == 0 &&
- (h->delayed_pic[0]->f.key_frame || h->mmco_reset))
+ (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset))
h->next_outputed_poc = INT_MIN;
- out_of_order = !out->f.key_frame && !h->mmco_reset &&
- (out->poc < h->next_outputed_poc);
+ out_of_order = out->poc < h->next_outputed_poc;
- if (h->sps.bitstream_restriction_flag &&
- h->avctx->has_b_frames >= h->sps.num_reorder_frames) {
- } else if (out_of_order && pics - 1 == h->avctx->has_b_frames &&
- h->avctx->has_b_frames < MAX_DELAYED_PIC_COUNT) {
- if (invalid + cnt < MAX_DELAYED_PIC_COUNT) {
- h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, cnt);
- }
- h->low_delay = 0;
- } else if (h->low_delay &&
- ((h->next_outputed_poc != INT_MIN &&
- out->poc > h->next_outputed_poc + 2) ||
- cur->f.pict_type == AV_PICTURE_TYPE_B)) {
- h->low_delay = 0;
- h->avctx->has_b_frames++;
- }
-
- if (pics > h->avctx->has_b_frames) {
+ if (out_of_order || pics > h->avctx->has_b_frames) {
out->reference &= ~DELAYED_PIC_REF;
// for frame threading, the owner must be the second field's thread or
// else the first thread can release the picture and reuse it unsafely
for (i = out_idx; h->delayed_pic[i]; i++)
h->delayed_pic[i] = h->delayed_pic[i + 1];
}
- memmove(h->last_pocs, &h->last_pocs[1],
- sizeof(*h->last_pocs) * (MAX_DELAYED_PIC_COUNT - 1));
- h->last_pocs[MAX_DELAYED_PIC_COUNT - 1] = cur->poc;
if (!out_of_order && pics > h->avctx->has_b_frames) {
h->next_output_pic = out;
- if (out->mmco_reset) {
- if (out_idx > 0) {
- h->next_outputed_poc = out->poc;
- h->delayed_pic[out_idx - 1]->mmco_reset = out->mmco_reset;
- } else {
- h->next_outputed_poc = INT_MIN;
- }
- } else {
- if (out_idx == 0 && pics > 1 && h->delayed_pic[0]->f.key_frame) {
- h->next_outputed_poc = INT_MIN;
- } else {
- h->next_outputed_poc = out->poc;
- }
- }
- h->mmco_reset = 0;
+ if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f.key_frame || h->delayed_pic[0]->mmco_reset)) {
+ h->next_outputed_poc = INT_MIN;
+ } else
+ h->next_outputed_poc = out->poc;
} else {
- av_log(h->avctx, AV_LOG_DEBUG, "no picture\n");
+ av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : "");
+ }
+
+ if (h->next_output_pic && h->next_output_pic->sync) {
+ h->sync |= 2;
}
if (setup_finished)
@@ -2253,7 +2301,7 @@ static av_always_inline void hl_decode_mb_predict_luma(H264Context *h,
if (IS_8x8DCT(mb_type)) {
if (transform_bypass) {
idct_dc_add =
- idct_add = h->h264dsp.h264_add_pixels8;
+ idct_add = h->h264dsp.h264_add_pixels8_clear;
} else {
idct_dc_add = h->h264dsp.h264_idct8_dc_add;
idct_add = h->h264dsp.h264_idct8_add;
@@ -2278,7 +2326,7 @@ static av_always_inline void hl_decode_mb_predict_luma(H264Context *h,
} else {
if (transform_bypass) {
idct_dc_add =
- idct_add = h->h264dsp.h264_add_pixels4;
+ idct_add = h->h264dsp.h264_add_pixels4_clear;
} else {
idct_dc_add = h->h264dsp.h264_idct_dc_add;
idct_add = h->h264dsp.h264_idct_add;
@@ -2295,7 +2343,7 @@ static av_always_inline void hl_decode_mb_predict_luma(H264Context *h,
uint64_t tr_high;
if (dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED) {
const int topright_avail = (h->topright_samples_available << i) & 0x8000;
- assert(h->mb_y || linesize <= block_offset[i]);
+ av_assert2(h->mb_y || linesize <= block_offset[i]);
if (!topright_avail) {
if (pixel_shift) {
tr_high = ((uint16_t *)ptr)[3 - linesize / 2] * 0x0001000100010001ULL;
@@ -2375,9 +2423,9 @@ static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type,
for (i = 0; i < 16; i++)
if (h->non_zero_count_cache[scan8[i + p * 16]] ||
dctcoef_get(h->mb, pixel_shift, i * 16 + p * 256))
- h->h264dsp.h264_add_pixels4(dest_y + block_offset[i],
- h->mb + (i * 16 + p * 256 << pixel_shift),
- linesize);
+ h->h264dsp.h264_add_pixels4_clear(dest_y + block_offset[i],
+ h->mb + (i * 16 + p * 256 << pixel_shift),
+ linesize);
}
} else {
h->h264dsp.h264_idct_add16intra(dest_y, block_offset,
@@ -2388,8 +2436,8 @@ static av_always_inline void hl_decode_mb_idct_luma(H264Context *h, int mb_type,
} else if (h->cbp & 15) {
if (transform_bypass) {
const int di = IS_8x8DCT(mb_type) ? 4 : 1;
- idct_add = IS_8x8DCT(mb_type) ? h->h264dsp.h264_add_pixels8
- : h->h264dsp.h264_add_pixels4;
+ idct_add = IS_8x8DCT(mb_type) ? h->h264dsp.h264_add_pixels8_clear
+ : h->h264dsp.h264_add_pixels4_clear;
for (i = 0; i < 16; i += di)
if (h->non_zero_count_cache[scan8[i + p * 16]])
idct_add(dest_y + block_offset[i],
@@ -2584,30 +2632,43 @@ static void implicit_weight_table(H264Context *h, int field)
*/
static void idr(H264Context *h)
{
+ int i;
ff_h264_remove_all_refs(h);
h->prev_frame_num = 0;
h->prev_frame_num_offset = 0;
- h->prev_poc_msb =
+ h->prev_poc_msb = 1<<16;
h->prev_poc_lsb = 0;
+ for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
+ h->last_pocs[i] = INT_MIN;
}
/* forget old pics after a seek */
static void flush_change(H264Context *h)
{
- int i;
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
- h->last_pocs[i] = INT_MIN;
+ int i, j;
+
h->outputed_poc = h->next_outputed_poc = INT_MIN;
h->prev_interlaced_frame = 1;
idr(h);
- if (h->cur_pic_ptr)
+
+ h->prev_frame_num = -1;
+ if (h->cur_pic_ptr) {
h->cur_pic_ptr->reference = 0;
+ for (j=i=0; h->delayed_pic[i]; i++)
+ if (h->delayed_pic[i] != h->cur_pic_ptr)
+ h->delayed_pic[j++] = h->delayed_pic[i];
+ h->delayed_pic[j] = NULL;
+ }
h->first_field = 0;
memset(h->ref_list[0], 0, sizeof(h->ref_list[0]));
memset(h->ref_list[1], 0, sizeof(h->ref_list[1]));
memset(h->default_ref_list[0], 0, sizeof(h->default_ref_list[0]));
memset(h->default_ref_list[1], 0, sizeof(h->default_ref_list[1]));
ff_h264_reset_sei(h);
+ h->recovery_frame= -1;
+ h->sync= 0;
+ h->list_count = 0;
+ h->current_slice = 0;
}
/* forget old pics after a seek */
@@ -2616,7 +2677,7 @@ static void flush_dpb(AVCodecContext *avctx)
H264Context *h = avctx->priv_data;
int i;
- for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++) {
+ for (i = 0; i <= MAX_DELAYED_PIC_COUNT; i++) {
if (h->delayed_pic[i])
h->delayed_pic[i]->reference = 0;
h->delayed_pic[i] = NULL;
@@ -2738,19 +2799,19 @@ static void init_scan_tables(H264Context *h)
#undef T
}
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 ));
}
}
@@ -2801,10 +2862,9 @@ static int field_end(H264Context *h, int in_setup)
* past end by one (callers fault) and resync_mb_y != 0
* causes problems for the first MB line, too.
*/
- if (!FIELD_PICTURE) {
+ if (CONFIG_ERROR_RESILIENCE &&
+ !FIELD_PICTURE && h->current_slice && !h->sps.new) {
h->er.cur_pic = h->cur_pic_ptr;
- h->er.last_pic = h->ref_count[0] ? &h->ref_list[0][0] : NULL;
- h->er.next_pic = h->ref_count[1] ? &h->ref_list[1][0] : NULL;
ff_er_frame_end(&h->er);
}
emms_c();
@@ -2899,7 +2959,8 @@ static int h264_set_parameter_from_sps(H264Context *h)
"VDPAU decoding does not support video colorspace.\n");
return AVERROR_INVALIDDATA;
}
- if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 10) {
+ if (h->sps.bit_depth_luma >= 8 && h->sps.bit_depth_luma <= 14 &&
+ h->sps.bit_depth_luma != 11 && h->sps.bit_depth_luma != 13) {
h->avctx->bits_per_raw_sample = h->sps.bit_depth_luma;
h->cur_chroma_format_idc = h->sps.chroma_format_idc;
h->pixel_shift = h->sps.bit_depth_luma > 8;
@@ -2910,8 +2971,9 @@ static int h264_set_parameter_from_sps(H264Context *h)
ff_h264qpel_init(&h->h264qpel, h->sps.bit_depth_luma);
ff_h264_pred_init(&h->hpc, h->avctx->codec_id, h->sps.bit_depth_luma,
h->sps.chroma_format_idc);
- h->dsp.dct_bits = h->sps.bit_depth_luma > 8 ? 32 : 16;
- ff_dsputil_init(&h->dsp, h->avctx);
+ if (CONFIG_ERROR_RESILIENCE) {
+ ff_dsputil_init(&h->dsp, h->avctx);
+ }
ff_videodsp_init(&h->vdsp, h->sps.bit_depth_luma);
} else {
av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth: %d\n",
@@ -2922,7 +2984,7 @@ static int h264_set_parameter_from_sps(H264Context *h)
return 0;
}
-static enum AVPixelFormat get_pixel_format(H264Context *h)
+static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
{
switch (h->sps.bit_depth_luma) {
case 9:
@@ -2947,22 +3009,53 @@ static enum AVPixelFormat get_pixel_format(H264Context *h)
else
return AV_PIX_FMT_YUV420P10;
break;
- case 8:
+ case 12:
if (CHROMA444) {
if (h->avctx->colorspace == AVCOL_SPC_RGB) {
- return AV_PIX_FMT_GBRP;
+ return AV_PIX_FMT_GBRP12;
} else
- return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P
- : AV_PIX_FMT_YUV444P;
+ return AV_PIX_FMT_YUV444P12;
+ } else if (CHROMA422)
+ return AV_PIX_FMT_YUV422P12;
+ else
+ return AV_PIX_FMT_YUV420P12;
+ break;
+ case 14:
+ if (CHROMA444) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ return AV_PIX_FMT_GBRP14;
+ } else
+ return AV_PIX_FMT_YUV444P14;
+ } else if (CHROMA422)
+ return AV_PIX_FMT_YUV422P14;
+ else
+ return AV_PIX_FMT_YUV420P14;
+ break;
+ case 8:
+ if (CHROMA444) {
+ if (h->avctx->colorspace == AVCOL_SPC_RGB) {
+ av_log(h->avctx, AV_LOG_DEBUG, "Detected GBR colorspace.\n");
+ return AV_PIX_FMT_GBR24P;
+ } else if (h->avctx->colorspace == AVCOL_SPC_YCGCO) {
+ av_log(h->avctx, AV_LOG_WARNING, "Detected unsupported YCgCo colorspace.\n");
+ }
+ return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ444P
+ : AV_PIX_FMT_YUV444P;
} else if (CHROMA422) {
return h->avctx->color_range == AVCOL_RANGE_JPEG ? AV_PIX_FMT_YUVJ422P
: AV_PIX_FMT_YUV422P;
} else {
- return h->avctx->get_format(h->avctx, h->avctx->codec->pix_fmts ?
+ int i;
+ const enum AVPixelFormat * fmt = h->avctx->codec->pix_fmts ?
h->avctx->codec->pix_fmts :
h->avctx->color_range == AVCOL_RANGE_JPEG ?
h264_hwaccel_pixfmt_list_jpeg_420 :
- h264_hwaccel_pixfmt_list_420);
+ h264_hwaccel_pixfmt_list_420;
+
+ for (i=0; fmt[i] != AV_PIX_FMT_NONE; i++)
+ if (fmt[i] == h->avctx->pix_fmt && !force_callback)
+ return fmt[i];
+ return h->avctx->get_format(h->avctx, fmt);
}
break;
default:
@@ -2979,7 +3072,20 @@ static int h264_slice_header_init(H264Context *h, int reinit)
h->avctx->thread_count : 1;
int i;
- avcodec_set_dimensions(h->avctx, h->width, h->height);
+ if( FFALIGN(h->avctx->width , 16 ) == h->width
+ && FFALIGN(h->avctx->height, 16*(2 - h->sps.frame_mbs_only_flag)) == h->height
+ && !h->sps.crop_right && !h->sps.crop_bottom
+ && (h->avctx->width != h->width || h->avctx->height && h->height)
+ ) {
+ av_log(h->avctx, AV_LOG_DEBUG, "Using externally provided dimensions\n");
+ h->avctx->coded_width = h->width;
+ h->avctx->coded_height = h->height;
+ } else{
+ avcodec_set_dimensions(h->avctx, h->width, h->height);
+ h->avctx->width -= (2>>CHROMA444)*FFMIN(h->sps.crop_right, (8<<CHROMA444)-1);
+ h->avctx->height -= (1<<h->chroma_y_shift)*FFMIN(h->sps.crop_bottom, (16>>h->chroma_y_shift)-1) * (2 - h->sps.frame_mbs_only_flag);
+ }
+
h->avctx->sample_aspect_ratio = h->sps.sar;
av_assert0(h->avctx->sample_aspect_ratio.den);
av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
@@ -3029,7 +3135,9 @@ static int h264_slice_header_init(H264Context *h, int reinit)
H264Context *c;
c = h->thread_context[i] = av_mallocz(sizeof(H264Context));
c->avctx = h->avctx;
- c->dsp = h->dsp;
+ if (CONFIG_ERROR_RESILIENCE) {
+ c->dsp = h->dsp;
+ }
c->vdsp = h->vdsp;
c->h264dsp = h->h264dsp;
c->h264qpel = h->h264qpel;
@@ -3037,6 +3145,7 @@ static int h264_slice_header_init(H264Context *h, int reinit)
c->sps = h->sps;
c->pps = h->pps;
c->pixel_shift = h->pixel_shift;
+ c->cur_chroma_format_idc = h->cur_chroma_format_idc;
c->width = h->width;
c->height = h->height;
c->linesize = h->linesize;
@@ -3086,16 +3195,17 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
{
unsigned int first_mb_in_slice;
unsigned int pps_id;
- int num_ref_idx_active_override_flag, max_refs, ret;
+ int num_ref_idx_active_override_flag, 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;
h->me.qpel_put = h->h264qpel.put_h264_qpel_pixels_tab;
h->me.qpel_avg = h->h264qpel.avg_h264_qpel_pixels_tab;
- first_mb_in_slice = get_ue_golomb(&h->gb);
+ first_mb_in_slice = get_ue_golomb_long(&h->gb);
if (first_mb_in_slice == 0) { // FIXME better field boundary detection
if (h0->current_slice && FIELD_PICTURE) {
@@ -3116,7 +3226,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
if (slice_type > 9) {
av_log(h->avctx, AV_LOG_ERROR,
"slice type too large (%d) at %d %d\n",
- h->slice_type, h->mb_x, h->mb_y);
+ slice_type, h->mb_x, h->mb_y);
return -1;
}
if (slice_type > 4) {
@@ -3127,7 +3237,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
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)) {
+ (h0->current_slice != 0 &&
+ slice_type == h0->last_slice_type &&
+ !memcmp(h0->last_ref_count, h0->ref_count, sizeof(h0->ref_count)))) {
default_ref_list_done = 1;
}
h->slice_type = slice_type;
@@ -3138,7 +3250,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
pps_id = get_ue_golomb(&h->gb);
if (pps_id >= MAX_PPS_COUNT) {
- av_log(h->avctx, AV_LOG_ERROR, "pps_id out of range\n");
+ av_log(h->avctx, AV_LOG_ERROR, "pps_id %d out of range\n", pps_id);
return -1;
}
if (!h0->pps_buffers[pps_id]) {
@@ -3163,6 +3275,13 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->current_sps_id = h->pps.sps_id;
h->sps = *h0->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;
@@ -3177,9 +3296,14 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
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
+ || av_cmp_q(h->sps.sar, h->avctx->sample_aspect_ratio)));
+ if (h0->avctx->pix_fmt != get_pixel_format(h0, 0))
+ must_reinit = 1;
h->mb_width = h->sps.mb_width;
h->mb_height = h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
@@ -3190,21 +3314,12 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->chroma_y_shift = h->sps.chroma_format_idc <= 1; // 400 uses yuv420p
- h->width = 16 * h->mb_width - (2 >> CHROMA444) * FFMIN(h->sps.crop_right, (8 << CHROMA444) - 1);
- if (h->sps.frame_mbs_only_flag)
- h->height = 16 * h->mb_height - (1 << h->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> h->chroma_y_shift) - 1);
- else
- h->height = 16 * h->mb_height - (2 << h->chroma_y_shift) * FFMIN(h->sps.crop_bottom, (16 >> h->chroma_y_shift) - 1);
-
- if (FFALIGN(h->avctx->width, 16) == h->width &&
- FFALIGN(h->avctx->height, 16) == h->height) {
- h->width = h->avctx->width;
- h->height = h->avctx->height;
- }
+ h->width = 16 * h->mb_width;
+ h->height = 16 * h->mb_height;
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;
@@ -3215,9 +3330,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
}
if (h->context_initialized &&
- (h->width != h->avctx->width ||
- h->height != h->avctx->height ||
- needs_reinit)) {
+ (
+ needs_reinit ||
+ must_reinit)) {
if (h != h0) {
av_log(h->avctx, AV_LOG_ERROR, "changing width/height on "
@@ -3227,7 +3342,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
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;
@@ -3247,7 +3362,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
return -1;
}
- if ((ret = get_pixel_format(h)) < 0)
+ if ((ret = get_pixel_format(h, 1)) < 0)
return ret;
h->avctx->pix_fmt = ret;
@@ -3273,6 +3388,10 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
if (h->sps.frame_mbs_only_flag) {
h->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;
+ }
if (get_bits1(&h->gb)) { // field_pic_flag
h->picture_structure = PICT_TOP_FIELD + get_bits1(&h->gb); // bottom_field_flag
} else {
@@ -3300,7 +3419,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
} 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) {
+ if (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0) {
int unwrap_prev_frame_num = h->prev_frame_num;
int max_frame_num = 1 << h->sps.log2_max_frame_num;
@@ -3320,12 +3439,18 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
* 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 (h0->first_field) {
assert(h0->cur_pic_ptr);
assert(h0->cur_pic_ptr->f.data[0]);
assert(h0->cur_pic_ptr->reference != DELAYED_PIC_REF);
+ /* Mark old field/frame as completed */
+ if (!last_pic_droppable && h0->cur_pic_ptr->tf.owner == h0->avctx) {
+ ff_thread_report_progress(&h0->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->picture_structure == last_pic_structure) {
/* Previous field is unmatched. Don't display it, but let it
@@ -3367,11 +3492,14 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
}
}
- while (h->frame_num != h->prev_frame_num &&
+ while (h->frame_num != h->prev_frame_num && h->prev_frame_num >= 0 && !h0->first_field &&
h->frame_num != (h->prev_frame_num + 1) % (1 << h->sps.log2_max_frame_num)) {
Picture *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;
if (h264_frame_start(h) < 0)
return -1;
h->prev_frame_num++;
@@ -3418,6 +3546,8 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h0->first_field = FIELD_PICTURE;
} else {
if (h0->cur_pic_ptr->frame_num != h->frame_num) {
+ ff_thread_report_progress(&h0->cur_pic_ptr->tf, INT_MAX,
+ h0->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. */
@@ -3445,9 +3575,18 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
if (h != h0 && (ret = clone_slice(h, h0)) < 0)
return ret;
+ /* 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;
+ }
+
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->mb_num ||
first_mb_in_slice >= h->mb_num) {
av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
@@ -3457,7 +3596,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->resync_mb_y = h->mb_y = (first_mb_in_slice / h->mb_width) << FIELD_OR_MBAFF_PICTURE;
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);
+ av_assert1(h->mb_y < h->mb_height);
if (h->picture_structure == PICT_FRAME) {
h->curr_pic_num = h->frame_num;
@@ -3494,19 +3633,26 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->ref_count[1] = h->pps.ref_count[1];
if (h->slice_type_nos != AV_PICTURE_TYPE_I) {
+ unsigned max[2];
+ max[0] = max[1] = h->picture_structure == PICT_FRAME ? 15 : 31;
+
if (h->slice_type_nos == AV_PICTURE_TYPE_B)
h->direct_spatial_mv_pred = get_bits1(&h->gb);
num_ref_idx_active_override_flag = get_bits1(&h->gb);
if (num_ref_idx_active_override_flag) {
h->ref_count[0] = get_ue_golomb(&h->gb) + 1;
- if (h->ref_count[0] < 1)
- return AVERROR_INVALIDDATA;
if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
h->ref_count[1] = get_ue_golomb(&h->gb) + 1;
- if (h->ref_count[1] < 1)
- return AVERROR_INVALIDDATA;
- }
+ } else
+ // full range is spec-ok in this case, even for frames
+ h->ref_count[1] = 1;
+ }
+
+ if (h->ref_count[0]-1 > max[0] || h->ref_count[1]-1 > max[1]){
+ av_log(h->avctx, AV_LOG_ERROR, "reference overflow %u > %u or %u > %u\n", h->ref_count[0]-1, max[0], h->ref_count[1]-1, max[1]);
+ h->ref_count[0] = h->ref_count[1] = 0;
+ return AVERROR_INVALIDDATA;
}
if (h->slice_type_nos == AV_PICTURE_TYPE_B)
@@ -3518,15 +3664,6 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
h->ref_count[0] = h->ref_count[1] = 0;
}
-
- max_refs = h->picture_structure == PICT_FRAME ? 16 : 32;
-
- if (h->ref_count[0] > max_refs || h->ref_count[1] > max_refs) {
- av_log(h->avctx, AV_LOG_ERROR, "reference overflow\n");
- h->ref_count[0] = h->ref_count[1] = 0;
- return AVERROR_INVALIDDATA;
- }
-
if (!default_ref_list_done)
ff_h264_fill_default_ref_list(h);
@@ -3664,10 +3801,16 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
6 * (h->sps.bit_depth_luma - 8);
h0->last_slice_type = slice_type;
+ memcpy(h0->last_ref_count, h0->ref_count, sizeof(h0->last_ref_count));
h->slice_num = ++h0->current_slice;
- if (h->slice_num >= MAX_SLICES) {
- av_log(h->avctx, AV_LOG_ERROR,
- "Too many slices, increase MAX_SLICES and recompile\n");
+
+ if (h->slice_num)
+ h0->slice_row[(h->slice_num-1)&(MAX_SLICES-1)]= h->resync_mb_y;
+ if ( h0->slice_row[h->slice_num&(MAX_SLICES-1)] + 3 >= h->resync_mb_y
+ && h0->slice_row[h->slice_num&(MAX_SLICES-1)] <= h->resync_mb_y
+ && h->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", h->slice_num, MAX_SLICES);
}
for (j = 0; j < 2; j++) {
@@ -3703,6 +3846,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0)
(h->ref_list[j][i].reference & 3);
}
+ if (h->ref_count[0]) h->er.last_pic = &h->ref_list[0][0];
+ if (h->ref_count[1]) h->er.next_pic = &h->ref_list[1][0];
+
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",
@@ -3759,7 +3905,7 @@ 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] = h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
+ int (*ref2frm)[64] = (void*)(h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 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]];
@@ -3774,7 +3920,7 @@ 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] = h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
+ int (*ref2frm)[64] =(void*)( h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 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]);
@@ -3807,7 +3953,7 @@ 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] = h->ref2frm[h->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 20 : 2);
+ int (*ref2frm)[64] = (void*)(h->ref2frm[h->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(h) ? 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);
@@ -4090,10 +4236,12 @@ static void decode_finish_row(H264Context *h)
static void er_add_slice(H264Context *h, int startx, int starty,
int endx, int endy, int status)
{
- ERContext *er = &h->er;
+ if (CONFIG_ERROR_RESILIENCE) {
+ ERContext *er = &h->er;
- er->ref_count = h->ref_count[0];
- ff_er_add_slice(er, startx, starty, endx, endy, status);
+ er->ref_count = h->ref_count[0];
+ ff_er_add_slice(er, startx, starty, endx, endy, status);
+ }
}
static int decode_slice(struct AVCodecContext *avctx, void *arg)
@@ -4103,6 +4251,8 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
h->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));
+
h->is_complex = FRAME_MBAFF || h->picture_structure != PICT_FRAME ||
avctx->codec_id != AV_CODEC_ID_H264 ||
(CONFIG_GRAY && (h->flags & CODEC_FLAG_GRAY));
@@ -4112,7 +4262,6 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
align_get_bits(&h->gb);
/* init cabac */
- ff_init_cabac_states();
ff_init_cabac_decoder(&h->cabac,
h->gb.buffer + get_bits_count(&h->gb) / 8,
(get_bits_left(&h->gb) + 7) / 8);
@@ -4148,7 +4297,9 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
loop_filter(h, lf_x_start, h->mb_x + 1);
return 0;
}
- if (ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
+ if (h->cabac.bytestream > h->cabac.bytestream_end + 2 )
+ av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %td\n", h->cabac.bytestream_end - h->cabac.bytestream);
+ if (ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 4) {
av_log(h->avctx, AV_LOG_ERROR,
"error while decoding MB %d %d, bytestream (%td)\n",
h->mb_x, h->mb_y,
@@ -4219,7 +4370,8 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
tprintf(h->avctx, "slice end %d %d\n",
get_bits_count(&h->gb), h->gb.size_in_bits);
- if (get_bits_left(&h->gb) == 0) {
+ if ( get_bits_left(&h->gb) == 0
+ || get_bits_left(&h->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
er_add_slice(h, h->resync_mb_x, h->resync_mb_y,
h->mb_x - 1, h->mb_y,
ER_MB_END);
@@ -4227,7 +4379,7 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
return 0;
} else {
er_add_slice(h, h->resync_mb_x, h->resync_mb_y,
- h->mb_x - 1, h->mb_y,
+ h->mb_x, h->mb_y,
ER_MB_END);
return -1;
@@ -4275,9 +4427,13 @@ static int execute_decode_slices(H264Context *h, int context_count)
if (context_count == 1) {
return decode_slice(avctx, &h);
} else {
+ av_assert0(context_count > 0);
for (i = 1; i < context_count; i++) {
hx = h->thread_context[i];
- hx->er.error_count = 0;
+ if (CONFIG_ERROR_RESILIENCE) {
+ hx->er.error_count = 0;
+ }
+ hx->x264_build = h->x264_build;
}
avctx->execute(avctx, decode_slice, h->thread_context,
@@ -4289,8 +4445,10 @@ static int execute_decode_slices(H264Context *h, int context_count)
h->mb_y = hx->mb_y;
h->droppable = hx->droppable;
h->picture_structure = hx->picture_structure;
- for (i = 1; i < context_count; i++)
- h->er.error_count += h->thread_context[i]->er.error_count;
+ if (CONFIG_ERROR_RESILIENCE) {
+ for (i = 1; i < context_count; i++)
+ h->er.error_count += h->thread_context[i]->er.error_count;
+ }
}
return 0;
@@ -4307,7 +4465,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
int pass = !(avctx->active_thread_type & FF_THREAD_FRAME);
int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts
int nal_index;
+ int idr_cleared=0;
+ int first_slice = 0;
+
+ h->nal_unit_type= 0;
+ if(!h->slice_context_count)
+ h->slice_context_count= 1;
h->max_contexts = h->slice_context_count;
if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS)) {
h->current_slice = 0;
@@ -4316,6 +4480,13 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
ff_h264_reset_sei(h);
}
+ if (h->nal_length_size == 4) {
+ if (buf_size > 8 && AV_RB32(buf) == 1 && AV_RB32(buf+5) > (unsigned)buf_size) {
+ h->is_avc = 0;
+ }else if(buf_size > 3 && AV_RB32(buf) > 1 && AV_RB32(buf) <= (unsigned)buf_size)
+ h->is_avc = 1;
+ }
+
for (; pass <= 1; pass++) {
buf_index = 0;
context_count = 0;
@@ -4375,16 +4546,14 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
h->workaround_bugs |= FF_BUG_TRUNCATED;
if (!(h->workaround_bugs & FF_BUG_TRUNCATED))
- while (ptr[dst_length - 1] == 0 && dst_length > 0)
+ while(dst_length > 0 && ptr[dst_length - 1] == 0)
dst_length--;
bit_length = !dst_length ? 0
: (8 * dst_length -
decode_rbsp_trailing(h, ptr + dst_length - 1));
if (h->avctx->debug & FF_DEBUG_STARTCODE)
- av_log(h->avctx, AV_LOG_DEBUG,
- "NAL %d at %d/%d length %d\n",
- hx->nal_unit_type, buf_index, buf_size, dst_length);
+ av_log(h->avctx, AV_LOG_DEBUG, "NAL %d/%d at %d/%d length %d pass %d\n", hx->nal_unit_type, hx->nal_ref_idc, buf_index, buf_size, dst_length, pass);
if (h->is_avc && (nalsize != consumed) && nalsize)
av_log(h->avctx, AV_LOG_DEBUG,
@@ -4408,38 +4577,56 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size,
case NAL_IDR_SLICE:
case NAL_SLICE:
init_get_bits(&hx->gb, ptr, bit_length);
- if (!get_ue_golomb(&hx->gb))
+ if (!get_ue_golomb(&hx->gb) || !first_slice)
nals_needed = nal_index;
+ if (!first_slice)
+ first_slice = hx->nal_unit_type;
}
continue;
}
+ if (!first_slice)
+ switch (hx->nal_unit_type) {
+ case NAL_DPA:
+ case NAL_IDR_SLICE:
+ case NAL_SLICE:
+ first_slice = hx->nal_unit_type;
+ }
+
// FIXME do not discard SEI id
if (avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc == 0)
continue;
again:
- /* Ignore every NAL unit type except PPS and SPS during extradata
+ /* Ignore per frame NAL unit type during extradata
* parsing. Decoding slices is not possible in codec init
* with frame-mt */
- if (parse_extradata && HAVE_THREADS &&
- (h->avctx->active_thread_type & FF_THREAD_FRAME) &&
- (hx->nal_unit_type != NAL_PPS &&
- hx->nal_unit_type != NAL_SPS)) {
- av_log(avctx, AV_LOG_INFO, "Ignoring NAL unit %d during "
- "extradata parsing\n", hx->nal_unit_type);
- hx->nal_unit_type = NAL_FF_IGNORE;
+ if (parse_extradata) {
+ switch (hx->nal_unit_type) {
+ case NAL_IDR_SLICE:
+ case NAL_SLICE:
+ case NAL_DPA:
+ case NAL_DPB:
+ case NAL_DPC:
+ case NAL_AUXILIARY_SLICE:
+ av_log(h->avctx, AV_LOG_WARNING, "Ignoring NAL %d in global header/extradata\n", hx->nal_unit_type);
+ hx->nal_unit_type = NAL_FF_IGNORE;
+ }
}
+
err = 0;
+
switch (hx->nal_unit_type) {
case NAL_IDR_SLICE:
- if (h->nal_unit_type != NAL_IDR_SLICE) {
+ if (first_slice != NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid mix of idr and non-idr slices\n");
buf_index = -1;
goto end;
}
- idr(h); // FIXME ensure we don't lose some frames if there is reordering
+ if(!idr_cleared)
+ idr(h); // FIXME ensure we don't lose some frames if there is reordering
+ idr_cleared = 1;
case NAL_SLICE:
init_get_bits(&hx->gb, ptr, bit_length);
hx->intra_gb_ptr =
@@ -4449,9 +4636,30 @@ again:
if ((err = decode_slice_header(hx, h)))
break;
+ if (h->sei_recovery_frame_cnt >= 0 && (h->frame_num != h->sei_recovery_frame_cnt || hx->slice_type_nos != AV_PICTURE_TYPE_I))
+ h->valid_recovery_point = 1;
+
+ if ( h->sei_recovery_frame_cnt >= 0
+ && ( h->recovery_frame<0
+ || ((h->recovery_frame - h->frame_num) & ((1 << h->sps.log2_max_frame_num)-1)) > h->sei_recovery_frame_cnt)) {
+ h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) %
+ (1 << h->sps.log2_max_frame_num);
+
+ if (!h->valid_recovery_point)
+ h->recovery_frame = h->frame_num;
+ }
+
h->cur_pic_ptr->f.key_frame |=
- (hx->nal_unit_type == NAL_IDR_SLICE) ||
- (h->sei_recovery_frame_cnt >= 0);
+ (hx->nal_unit_type == NAL_IDR_SLICE);
+
+ if (h->recovery_frame == h->frame_num) {
+ h->cur_pic_ptr->sync |= 1;
+ h->recovery_frame = -1;
+ }
+
+ h->sync |= !!h->cur_pic_ptr->f.key_frame;
+ h->sync |= 3*!!(avctx->flags2 & CODEC_FLAG2_SHOW_ALL);
+ h->cur_pic_ptr->sync |= h->sync;
if (h->current_slice == 1) {
if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS))
@@ -4508,6 +4716,9 @@ again:
init_get_bits(&hx->inter_gb, ptr, bit_length);
hx->inter_gb_ptr = &hx->inter_gb;
+ av_log(h->avctx, AV_LOG_ERROR, "Partitioned H.264 support is incomplete\n");
+ break;
+
if (hx->redundant_pic_count == 0 &&
hx->intra_gb_ptr &&
hx->data_partitioning &&
@@ -4526,19 +4737,18 @@ again:
break;
case NAL_SPS:
init_get_bits(&h->gb, ptr, bit_length);
- if (ff_h264_decode_seq_parameter_set(h) < 0 &&
- h->is_avc && (nalsize != consumed) && nalsize) {
+ if (ff_h264_decode_seq_parameter_set(h) < 0 && (h->is_avc ? (nalsize != consumed) && nalsize : 1)) {
av_log(h->avctx, AV_LOG_DEBUG,
"SPS decoding failure, trying again with the complete NAL\n");
- init_get_bits(&h->gb, buf + buf_index + 1 - consumed,
- 8 * (nalsize - 1));
+ if (h->is_avc)
+ av_assert0(next_avc - buf_index + consumed == nalsize);
+ if ((next_avc - buf_index + consumed - 1) >= INT_MAX/8)
+ break;
+ init_get_bits(&h->gb, &buf[buf_index + 1 - consumed],
+ 8*(next_avc - buf_index + consumed - 1));
ff_h264_decode_seq_parameter_set(h);
}
- if (h264_set_parameter_from_sps(h) < 0) {
- buf_index = -1;
- goto end;
- }
break;
case NAL_PPS:
init_get_bits(&h->gb, ptr, bit_length);
@@ -4611,17 +4821,18 @@ static int decode_frame(AVCodecContext *avctx, void *data,
H264Context *h = avctx->priv_data;
AVFrame *pict = data;
int buf_index = 0;
+ Picture *out;
+ int i, out_idx;
int ret;
h->flags = avctx->flags;
/* end of stream, output what is still in the buffers */
-out:
if (buf_size == 0) {
- Picture *out;
- int i, out_idx;
+ out:
h->cur_pic_ptr = NULL;
+ h->first_field = 0;
// FIXME factorize this with the output code below
out = h->delayed_pic[0];
@@ -4640,6 +4851,7 @@ out:
h->delayed_pic[i] = h->delayed_pic[i + 1];
if (out) {
+ out->reference &= ~DELAYED_PIC_REF;
if ((ret = av_frame_ref(pict, &out->f)) < 0)
return ret;
*got_frame = 1;
@@ -4647,19 +4859,42 @@ out:
return buf_index;
}
+ if(h->is_avc && buf_size >= 9 && buf[0]==1 && buf[2]==0 && (buf[4]&0xFC)==0xFC && (buf[5]&0x1F) && buf[8]==0x67){
+ int cnt= buf[5]&0x1f;
+ const uint8_t *p= buf+6;
+ while(cnt--){
+ int nalsize= AV_RB16(p) + 2;
+ if(nalsize > buf_size - (p-buf) || p[2]!=0x67)
+ goto not_extra;
+ p += nalsize;
+ }
+ cnt = *(p++);
+ if(!cnt)
+ goto not_extra;
+ while(cnt--){
+ int nalsize= AV_RB16(p) + 2;
+ if(nalsize > buf_size - (p-buf) || p[2]!=0x68)
+ goto not_extra;
+ p += nalsize;
+ }
+
+ return ff_h264_decode_extradata(h, buf, buf_size);
+ }
+not_extra:
buf_index = decode_nal_units(h, buf, buf_size, 0);
if (buf_index < 0)
return -1;
if (!h->cur_pic_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {
- buf_size = 0;
+ av_assert0(buf_index <= buf_size);
goto out;
}
if (!(avctx->flags2 & CODEC_FLAG2_CHUNKS) && !h->cur_pic_ptr) {
- if (avctx->skip_frame >= AVDISCARD_NONREF)
- return 0;
+ if (avctx->skip_frame >= AVDISCARD_NONREF ||
+ buf_size >= 4 && !memcmp("Q264", buf, 4))
+ return buf_size;
av_log(avctx, AV_LOG_ERROR, "no frame!\n");
return -1;
}
@@ -4671,13 +4906,17 @@ out:
field_end(h, 0);
- if (!h->next_output_pic) {
- /* Wait for second field. */
- *got_frame = 0;
- } else {
+ /* Wait for second field. */
+ *got_frame = 0;
+ if (h->next_output_pic && (h->next_output_pic->sync || h->sync>1)) {
if ((ret = av_frame_ref(pict, &h->next_output_pic->f)) < 0)
return ret;
*got_frame = 1;
+ if (CONFIG_MPEGVIDEO) {
+ ff_print_debug_info2(h->avctx, h->next_output_pic, pict, h->er.mbskip_table,
+ &h->low_delay,
+ h->mb_width, h->mb_height, h->mb_stride, 1);
+ }
}
}
@@ -4704,6 +4943,7 @@ static av_cold int h264_decode_end(AVCodecContext *avctx)
H264Context *h = avctx->priv_data;
int i;
+ ff_h264_remove_all_refs(h);
ff_h264_free_context(h);
if (h->DPB) {
@@ -4735,6 +4975,26 @@ static const AVProfile profiles[] = {
{ FF_PROFILE_UNKNOWN },
};
+static const AVOption h264_options[] = {
+ {"is_avc", "is avc", offsetof(H264Context, is_avc), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 1, 0},
+ {"nal_length_size", "nal_length_size", offsetof(H264Context, nal_length_size), FF_OPT_TYPE_INT, {.i64 = 0}, 0, 4, 0},
+ {NULL}
+};
+
+static const AVClass h264_class = {
+ .class_name = "H264 Decoder",
+ .item_name = av_default_item_name,
+ .option = h264_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVClass h264_vdpau_class = {
+ .class_name = "H264 VDPAU Decoder",
+ .item_name = av_default_item_name,
+ .option = h264_options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
AVCodec ff_h264_decoder = {
.name = "h264",
.type = AVMEDIA_TYPE_VIDEO,
@@ -4751,6 +5011,7 @@ AVCodec ff_h264_decoder = {
.init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy),
.update_thread_context = ONLY_IF_THREADS_ENABLED(decode_update_thread_context),
.profiles = NULL_IF_CONFIG_SMALL(profiles),
+ .priv_class = &h264_class,
};
#if CONFIG_H264_VDPAU_DECODER
@@ -4768,5 +5029,6 @@ AVCodec ff_h264_vdpau_decoder = {
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_VDPAU_H264,
AV_PIX_FMT_NONE},
.profiles = NULL_IF_CONFIG_SMALL(profiles),
+ .priv_class = &h264_vdpau_class,
};
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-08 15:27:55 +0000