* 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
*/
* @author Michael Niedermayer <michaelni@gmx.at>
*/
+#define UNCHECKED_BITSTREAM_READER 1
+
#include "libavutil/avassert.h"
#include "libavutil/display.h"
#include "libavutil/imgutils.h"
#include "rectangle.h"
#include "svq3.h"
#include "thread.h"
-
-#include <assert.h>
+#include "vdpau_compat.h"
const uint16_t ff_h264_mb_sizes[4] = { 256, 384, 512, 768 };
+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)
sl->mb_y = mb_y;
sl->mb_xy = mb_x + mb_y * h->mb_stride;
memset(sl->non_zero_count_cache, 0, sizeof(sl->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 >= sl->ref_count[0])
ref = 0;
+ if (!sl->ref_list[0][ref].data[0]) {
+ av_log(h->avctx, AV_LOG_DEBUG, "Reference not available for error concealing\n");
+ ref = 0;
+ }
+ if ((sl->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 * sl->mb_xy],
2, 2, 2, ref, 1);
fill_rectangle(&sl->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
fill_rectangle(sl->mv_cache[0][scan8[0]], 4, 4, 8,
pack16to32((*mv)[0][0][0], (*mv)[0][0][1]), 4);
- assert(!FRAME_MBAFF(h));
+ sl->mb_mbaff =
+ sl->mb_field_decoding_flag = 0;
ff_h264_hl_decode_mb(h, &h->slice_ctx[0]);
}
if ((sl->left_samples_available & 0x8080) != 0x8080) {
mode = left[mode];
- if (is_chroma && (sl->left_samples_available & 0x8080)) {
- // mad cow disease mode, aka MBAFF + constrained_intra_pred
- mode = ALZHEIMER_DC_L0T_PRED8x8 +
- (!(sl->left_samples_available & 0x8000)) +
- 2 * (mode == DC_128_PRED8x8);
- }
if (mode < 0) {
av_log(h->avctx, AV_LOG_ERROR,
"left block unavailable for requested intra mode at %d %d\n",
sl->mb_x, sl->mb_y);
return AVERROR_INVALIDDATA;
}
+ if (is_chroma && (sl->left_samples_available & 0x8080)) {
+ // mad cow disease mode, aka MBAFF + constrained_intra_pred
+ mode = ALZHEIMER_DC_L0T_PRED8x8 +
+ (!(sl->left_samples_available & 0x8000)) +
+ 2 * (mode == DC_128_PRED8x8);
+ }
}
return mode;
#define STARTCODE_TEST \
if (i + 2 < length && src[i + 1] == 0 && src[i + 2] <= 3) { \
- if (src[i + 2] != 3) { \
+ if (src[i + 2] != 3 && src[i + 2] != 0) { \
/* startcode, so we must be past the end */ \
length = i; \
} \
}
#endif
- if (i >= length - 1) { // no escaped 0
- *dst_length = length;
- *consumed = length + 1; // +1 for the header
- return src;
- }
-
- av_fast_malloc(&sl->rbsp_buffer, &sl->rbsp_buffer_size,
- length + FF_INPUT_BUFFER_PADDING_SIZE);
+ av_fast_padded_malloc(&sl->rbsp_buffer, &sl->rbsp_buffer_size, length+MAX_MBPAIR_SIZE);
dst = sl->rbsp_buffer;
if (!dst)
return NULL;
+ if(i>=length-1){ //no escaped 0
+ *dst_length= length;
+ *consumed= length+1; //+1 for the header
+ if(h->avctx->flags2 & AV_CODEC_FLAG2_FAST){
+ return src;
+ }else{
+ memcpy(dst, src, length);
+ return dst;
+ }
+ }
+
memcpy(dst, src, i);
si = di = i;
while (si + 2 < length) {
if (src[si + 2] > 3) {
dst[di++] = src[si++];
dst[di++] = src[si++];
- } else if (src[si] == 0 && src[si + 1] == 0) {
+ } else if (src[si] == 0 && src[si + 1] == 0 && src[si + 2] != 0) {
if (src[si + 2] == 3) { // escape
dst[di++] = 0;
dst[di++] = 0;
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;
- FF_ALLOCZ_OR_GOTO(h->avctx, h->intra4x4_pred_mode,
- row_mb_num * 8 * sizeof(uint8_t), fail)
+ FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->intra4x4_pred_mode,
+ row_mb_num, 8 * sizeof(uint8_t), fail)
h->slice_ctx[0].intra4x4_pred_mode = h->intra4x4_pred_mode;
FF_ALLOCZ_OR_GOTO(h->avctx, h->non_zero_count,
big_mb_num * sizeof(uint16_t), fail)
FF_ALLOCZ_OR_GOTO(h->avctx, h->chroma_pred_mode_table,
big_mb_num * sizeof(uint8_t), fail)
- FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[0],
- 16 * row_mb_num * sizeof(uint8_t), fail);
- FF_ALLOCZ_OR_GOTO(h->avctx, h->mvd_table[1],
- 16 * row_mb_num * sizeof(uint8_t), fail);
+ FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->mvd_table[0],
+ row_mb_num, 16 * sizeof(uint8_t), fail);
+ FF_ALLOCZ_ARRAY_OR_GOTO(h->avctx, h->mvd_table[1],
+ row_mb_num, 16 * sizeof(uint8_t), fail);
h->slice_ctx[0].mvd_table[0] = h->mvd_table[0];
h->slice_ctx[0].mvd_table[1] = h->mvd_table[1];
}
if (!h->dequant4_coeff[0])
- h264_init_dequant_tables(h);
+ ff_h264_init_dequant_tables(h);
return 0;
sl->ref_cache[1][scan8[7] + 1] =
sl->ref_cache[1][scan8[13] + 1] = PART_NOT_AVAILABLE;
+ if (sl != h->slice_ctx) {
+ memset(er, 0, sizeof(*er));
+ } else
if (CONFIG_ERROR_RESILIENCE) {
+
/* init ER */
er->avctx = h->avctx;
er->decode_mb = h264_er_decode_mb;
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;
int ret;
- 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 %d too short\n", avctx->extradata_size);
+ "avcC %d too short\n", size);
return AVERROR_INVALIDDATA;
}
/* sps and pps in the avcC always have length coded with 2 bytes,
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 AVERROR_INVALIDDATA;
ret = decode_nal_units(h, p, nalsize, 1);
if (ret < 0) {
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 AVERROR_INVALIDDATA;
ret = decode_nal_units(h, p, nalsize, 1);
if (ret < 0) {
p += nalsize;
}
// 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;
- ret = decode_nal_units(h, avctx->extradata, avctx->extradata_size, 1);
+ ret = decode_nal_units(h, buf, size, 1);
if (ret < 0)
return ret;
}
- return 0;
+ return size;
}
static int h264_init_context(AVCodecContext *avctx, H264Context *h)
int i;
h->avctx = avctx;
+ h->backup_width = -1;
+ h->backup_height = -1;
+ h->backup_pix_fmt = AV_PIX_FMT_NONE;
h->dequant_coeff_pps = -1;
+ h->current_sps_id = -1;
+ h->cur_chroma_format_idc = -1;
h->picture_structure = PICT_FRAME;
h->slice_context_count = 1;
h->x264_build = -1;
h->recovery_frame = -1;
h->frame_recovered = 0;
+ h->prev_frame_num = -1;
+ h->sei_fpa.frame_packing_arrangement_cancel_flag = -1;
h->next_outputed_poc = INT_MIN;
for (i = 0; i < MAX_DELAYED_PIC_COUNT; i++)
if (!h->cur_pic.f)
return AVERROR(ENOMEM);
+ h->last_pic_for_ec.f = av_frame_alloc();
+ if (!h->last_pic_for_ec.f)
+ return AVERROR(ENOMEM);
+
for (i = 0; i < h->nb_slice_ctx; i++)
h->slice_ctx[i].h264 = h;
ff_init_cabac_states();
if (avctx->codec_id == AV_CODEC_ID_H264) {
- if (avctx->ticks_per_frame == 1)
- h->avctx->framerate.num *= 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) {
- ret = ff_h264_decode_extradata(h);
- if (ret < 0) {
- ff_h264_free_context(h);
- return ret;
- }
+ ret = ff_h264_decode_extradata(h, avctx->extradata, avctx->extradata_size);
+ if (ret < 0) {
+ ff_h264_free_context(h);
+ return ret;
+ }
}
if (h->sps.bitstream_restriction_flag &&
avctx->internal->allocate_progress = 1;
- if (h->enable_er) {
+ ff_h264_flush_change(h);
+
+ if (h->enable_er < 0 && (avctx->active_thread_type & FF_THREAD_SLICE))
+ h->enable_er = 0;
+
+ if (h->enable_er && (avctx->active_thread_type & FF_THREAD_SLICE)) {
av_log(avctx, AV_LOG_WARNING,
- "Error resilience is enabled. It is unsafe and unsupported and may crash. "
+ "Error resilience with slice threads is enabled. It is unsafe and unsupported and may crash. "
"Use it at your own risk\n");
}
H264Picture *out = h->cur_pic_ptr;
H264Picture *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;
* yet, so we assume the worst for now. */
// if (setup_finished)
// ff_thread_finish_setup(h->avctx);
- return;
+ if (cur->field_poc[0] == INT_MAX && cur->field_poc[1] == INT_MAX)
+ return;
+ if (h->avctx->hwaccel || h->missing_fields <=1)
+ return;
}
cur->f->interlaced_frame = 0;
h->content_interpretation_type > 0 &&
h->content_interpretation_type < 3) {
AVStereo3D *stereo = av_stereo3d_create_side_data(cur->f);
- if (!stereo)
- return;
-
+ if (stereo) {
switch (h->frame_packing_arrangement_type) {
case 0:
stereo->type = AV_STEREO3D_CHECKERBOARD;
if (h->content_interpretation_type == 2)
stereo->flags = AV_STEREO3D_FLAG_INVERT;
+ }
}
if (h->sei_display_orientation_present &&
AVFrameSideData *rotation = av_frame_new_side_data(cur->f,
AV_FRAME_DATA_DISPLAYMATRIX,
sizeof(int32_t) * 9);
- if (!rotation)
- return;
-
- av_display_rotation_set((int32_t *)rotation->data, angle);
- av_display_matrix_flip((int32_t *)rotation->data,
- h->sei_hflip, h->sei_vflip);
+ if (rotation) {
+ av_display_rotation_set((int32_t *)rotation->data, angle);
+ av_display_matrix_flip((int32_t *)rotation->data,
+ h->sei_hflip, h->sei_vflip);
+ }
}
if (h->sei_reguserdata_afd_present) {
AVFrameSideData *sd = av_frame_new_side_data(cur->f, AV_FRAME_DATA_AFD,
sizeof(uint8_t));
- if (!sd)
- return;
- *sd->data = h->active_format_description;
- h->sei_reguserdata_afd_present = 0;
+ if (sd) {
+ *sd->data = h->active_format_description;
+ h->sei_reguserdata_afd_present = 0;
+ }
}
if (h->a53_caption) {
AVFrameSideData *sd = av_frame_new_side_data(cur->f,
AV_FRAME_DATA_A53_CC,
h->a53_caption_size);
- if (!sd)
- return;
-
- memcpy(sd->data, h->a53_caption, h->a53_caption_size);
+ if (sd)
+ memcpy(sd->data, h->a53_caption, h->a53_caption_size);
av_freep(&h->a53_caption);
h->a53_caption_size = 0;
+ h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
}
+ cur->mmco_reset = h->mmco_reset;
+ h->mmco_reset = 0;
+
// FIXME do something with unavailable reference frames
/* Sort B-frames into display order */
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_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) {
sl->luma_log2_weight_denom = get_ue_golomb(&sl->gb);
if (h->sps.chroma_format_idc)
sl->chroma_log2_weight_denom = get_ue_golomb(&sl->gb);
+
+ if (sl->luma_log2_weight_denom > 7U) {
+ av_log(h->avctx, AV_LOG_ERROR, "luma_log2_weight_denom %d is out of range\n", sl->luma_log2_weight_denom);
+ sl->luma_log2_weight_denom = 0;
+ }
+ if (sl->chroma_log2_weight_denom > 7U) {
+ av_log(h->avctx, AV_LOG_ERROR, "chroma_log2_weight_denom %d is out of range\n", sl->chroma_log2_weight_denom);
+ sl->chroma_log2_weight_denom = 0;
+ }
+
luma_def = 1 << sl->luma_log2_weight_denom;
chroma_def = 1 << sl->chroma_log2_weight_denom;
*/
static void idr(H264Context *h)
{
+ int i;
ff_h264_remove_all_refs(h);
h->prev_frame_num =
- h->prev_frame_num_offset =
- h->prev_poc_msb =
+ h->prev_frame_num_offset = 0;
+ 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 */
void ff_h264_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->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;
+ }
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
+
h->first_field = 0;
ff_h264_reset_sei(h);
h->recovery_frame = -1;
h->frame_recovered = 0;
+ h->current_slice = 0;
+ h->mmco_reset = 1;
+ for (i = 0; i < h->nb_slice_ctx; i++)
+ h->slice_ctx[i].list_count = 0;
}
/* forget old pics after a seek */
int ff_set_ref_count(H264Context *h, H264SliceContext *sl)
{
int ref_count[2], list_count;
- int num_ref_idx_active_override_flag, max_refs;
+ int num_ref_idx_active_override_flag;
// set defaults, might be overridden a few lines later
ref_count[0] = h->pps.ref_count[0];
ref_count[1] = h->pps.ref_count[1];
if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
+ unsigned max[2];
+ max[0] = max[1] = h->picture_structure == PICT_FRAME ? 15 : 31;
+
if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
num_ref_idx_active_override_flag = get_bits1(&sl->gb);
if (num_ref_idx_active_override_flag) {
ref_count[0] = get_ue_golomb(&sl->gb) + 1;
- if (ref_count[0] < 1)
- return AVERROR_INVALIDDATA;
if (sl->slice_type_nos == AV_PICTURE_TYPE_B) {
ref_count[1] = get_ue_golomb(&sl->gb) + 1;
- if (ref_count[1] < 1)
- return AVERROR_INVALIDDATA;
- }
+ } else
+ // full range is spec-ok in this case, even for frames
+ ref_count[1] = 1;
+ }
+
+ if (ref_count[0]-1 > max[0] || ref_count[1]-1 > max[1]){
+ av_log(h->avctx, AV_LOG_ERROR, "reference overflow %u > %u or %u > %u\n", ref_count[0]-1, max[0], ref_count[1]-1, max[1]);
+ sl->ref_count[0] = sl->ref_count[1] = 0;
+ sl->list_count = 0;
+ return AVERROR_INVALIDDATA;
}
if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
ref_count[0] = ref_count[1] = 0;
}
- max_refs = h->picture_structure == PICT_FRAME ? 16 : 32;
-
- if (ref_count[0] > max_refs || ref_count[1] > max_refs) {
- av_log(h->avctx, AV_LOG_ERROR, "reference overflow\n");
- sl->ref_count[0] = sl->ref_count[1] = 0;
- return AVERROR_INVALIDDATA;
- }
-
if (list_count != sl->list_count ||
ref_count[0] != sl->ref_count[0] ||
ref_count[1] != sl->ref_count[1]) {
return 0;
}
-static int find_start_code(const uint8_t *buf, int buf_size,
- int buf_index, int next_avc)
-{
- // start code prefix search
- for (; buf_index + 3 < next_avc; buf_index++)
- // This should always succeed in the first iteration.
- if (buf[buf_index] == 0 &&
- buf[buf_index + 1] == 0 &&
- buf[buf_index + 2] == 1)
- break;
-
- if (buf_index + 3 >= buf_size)
- return buf_size;
-
- return buf_index + 3;
-}
-
-static int get_avc_nalsize(H264Context *h, const uint8_t *buf,
- int buf_size, int *buf_index)
-{
- int i, nalsize = 0;
-
- if (*buf_index >= buf_size - h->nal_length_size)
- return -1;
-
- for (i = 0; i < h->nal_length_size; i++)
- nalsize = (nalsize << 8) | buf[(*buf_index)++];
- if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
- av_log(h->avctx, AV_LOG_ERROR,
- "AVC: nal size %d\n", nalsize);
- return -1;
- }
- return nalsize;
-}
+static const uint8_t start_code[] = { 0x00, 0x00, 0x01 };
static int get_bit_length(H264Context *h, const uint8_t *buf,
const uint8_t *ptr, int dst_length,
int nal_index = 0;
int buf_index = 0;
int nals_needed = 0;
+ int first_slice = 0;
while(1) {
GetBitContext gb;
buf_index = find_start_code(buf, buf_size, buf_index, next_avc);
if (buf_index >= buf_size)
break;
+ if (buf_index >= next_avc)
+ continue;
}
ptr = ff_h264_decode_nal(h, &h->slice_ctx[0], buf + buf_index, &dst_length, &consumed,
case NAL_IDR_SLICE:
case NAL_SLICE:
init_get_bits(&gb, ptr, bit_length);
- if (!get_ue_golomb(&gb))
+ if (!get_ue_golomb(&gb) ||
+ !first_slice ||
+ first_slice != h->nal_unit_type)
nals_needed = nal_index;
+ if (!first_slice)
+ first_slice = h->nal_unit_type;
}
}
int next_avc;
int nals_needed = 0; ///< number of NALs that need decoding before the next frame thread starts
int nal_index;
+ int idr_cleared=0;
int ret = 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 & AV_CODEC_FLAG2_CHUNKS)) {
h->current_slice = 0;
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;
+ }
+
if (avctx->active_thread_type & FF_THREAD_FRAME)
nals_needed = get_last_needed_nal(h, buf, buf_size);
if (h->avctx->debug & FF_DEBUG_STARTCODE)
av_log(h->avctx, AV_LOG_DEBUG,
- "NAL %d at %d/%d length %d\n",
- h->nal_unit_type, buf_index, buf_size, dst_length);
+ "NAL %d/%d at %d/%d length %d\n",
+ h->nal_unit_type, h->nal_ref_idc, buf_index, buf_size, dst_length);
if (h->is_avc && (nalsize != consumed) && nalsize)
av_log(h->avctx, AV_LOG_DEBUG,
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) &&
- (h->nal_unit_type != NAL_PPS &&
- h->nal_unit_type != NAL_SPS)) {
- if (h->nal_unit_type < NAL_AUD ||
- h->nal_unit_type > NAL_AUXILIARY_SLICE)
- av_log(avctx, AV_LOG_INFO,
- "Ignoring NAL unit %d during extradata parsing\n",
+ if (parse_extradata) {
+ switch (h->nal_unit_type) {
+ case NAL_IDR_SLICE:
+ case NAL_SLICE:
+ case NAL_DPA:
+ case NAL_DPB:
+ case NAL_DPC:
+ av_log(h->avctx, AV_LOG_WARNING,
+ "Ignoring NAL %d in global header/extradata\n",
h->nal_unit_type);
- h->nal_unit_type = NAL_FF_IGNORE;
+ // fall through to next case
+ case NAL_AUXILIARY_SLICE:
+ h->nal_unit_type = NAL_FF_IGNORE;
+ }
}
+
err = 0;
+
switch (h->nal_unit_type) {
case NAL_IDR_SLICE:
+ if ((ptr[0] & 0xFC) == 0x98) {
+ av_log(h->avctx, AV_LOG_ERROR, "Invalid inter IDR frame\n");
+ h->next_outputed_poc = INT_MIN;
+ ret = -1;
+ goto end;
+ }
if (h->nal_unit_type != NAL_IDR_SLICE) {
av_log(h->avctx, AV_LOG_ERROR,
"Invalid mix of idr and non-idr slices\n");
ret = -1;
goto end;
}
- idr(h); // FIXME ensure we don't lose some frames if there is reordering
+ if(!idr_cleared) {
+ if (h->current_slice && (avctx->active_thread_type & FF_THREAD_SLICE)) {
+ av_log(h, AV_LOG_ERROR, "invalid mixed IDR / non IDR frames cannot be decoded in slice multithreading mode\n");
+ ret = AVERROR_INVALIDDATA;
+ goto end;
+ }
+ idr(h); // FIXME ensure we don't lose some frames if there is reordering
+ }
+ idr_cleared = 1;
+ h->has_recovery_point = 1;
case NAL_SLICE:
init_get_bits(&sl->gb, ptr, bit_length);
+ if ( nals_needed >= nal_index
+ || (!(avctx->active_thread_type & FF_THREAD_FRAME) && !context_count))
+ h->au_pps_id = -1;
+
if ((err = ff_h264_decode_slice_header(h, sl)))
break;
- if (h->sei_recovery_frame_cnt >= 0 && h->recovery_frame < 0) {
- h->recovery_frame = (h->frame_num + h->sei_recovery_frame_cnt) &
- ((1 << h->sps.log2_max_frame_num) - 1);
+ if (h->sei_recovery_frame_cnt >= 0) {
+ if (h->frame_num != h->sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I)
+ h->valid_recovery_point = 1;
+
+ if ( h->recovery_frame < 0
+ || av_mod_uintp2(h->recovery_frame - h->frame_num, h->sps.log2_max_frame_num) > h->sei_recovery_frame_cnt) {
+ h->recovery_frame = av_mod_uintp2(h->frame_num + h->sei_recovery_frame_cnt, h->sps.log2_max_frame_num);
+
+ if (!h->valid_recovery_point)
+ h->recovery_frame = h->frame_num;
+ }
}
h->cur_pic_ptr->f->key_frame |=
- (h->nal_unit_type == NAL_IDR_SLICE) ||
- (h->sei_recovery_frame_cnt >= 0);
+ (h->nal_unit_type == NAL_IDR_SLICE);
if (h->nal_unit_type == NAL_IDR_SLICE ||
h->recovery_frame == h->frame_num) {
// "recovered".
if (h->nal_unit_type == NAL_IDR_SLICE)
h->frame_recovered |= FRAME_RECOVERED_IDR;
+ h->frame_recovered |= 3*!!(avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL);
+ h->frame_recovered |= 3*!!(avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT);
+#if 1
+ h->cur_pic_ptr->recovered |= h->frame_recovered;
+#else
h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
+#endif
if (h->current_slice == 1) {
if (!(avctx->flags2 & AV_CODEC_FLAG2_CHUNKS))
decode_postinit(h, nal_index >= nals_needed);
if (h->avctx->hwaccel &&
- (ret = h->avctx->hwaccel->start_frame(h->avctx, NULL, 0)) < 0)
- return ret;
+ (ret = h->avctx->hwaccel->start_frame(h->avctx, buf, buf_size)) < 0)
+ goto end;
+ if (CONFIG_H264_VDPAU_DECODER &&
+ h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU)
+ ff_vdpau_h264_picture_start(h);
}
- if (sl->redundant_pic_count == 0 &&
- (avctx->skip_frame < AVDISCARD_NONREF ||
- h->nal_ref_idc) &&
- (avctx->skip_frame < AVDISCARD_BIDIR ||
- sl->slice_type_nos != AV_PICTURE_TYPE_B) &&
- (avctx->skip_frame < AVDISCARD_NONKEY ||
- sl->slice_type_nos == AV_PICTURE_TYPE_I) &&
- avctx->skip_frame < AVDISCARD_ALL) {
+ if (sl->redundant_pic_count == 0) {
if (avctx->hwaccel) {
ret = avctx->hwaccel->decode_slice(avctx,
&buf[buf_index - consumed],
consumed);
if (ret < 0)
- return ret;
+ goto end;
+ } else if (CONFIG_H264_VDPAU_DECODER &&
+ h->avctx->codec->capabilities & CODEC_CAP_HWACCEL_VDPAU) {
+ ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0],
+ start_code,
+ sizeof(start_code));
+ ff_vdpau_add_data_chunk(h->cur_pic_ptr->f->data[0],
+ &buf[buf_index - consumed],
+ consumed);
} else
context_count++;
}
case NAL_DPB:
case NAL_DPC:
avpriv_request_sample(avctx, "data partitioning");
- ret = AVERROR(ENOSYS);
- goto end;
break;
case NAL_SEI:
init_get_bits(&h->gb, ptr, bit_length);
break;
case NAL_SPS:
init_get_bits(&h->gb, ptr, bit_length);
- ret = ff_h264_decode_seq_parameter_set(h);
- if (ret < 0 && h->is_avc && (nalsize != consumed) && nalsize) {
+ if (ff_h264_decode_seq_parameter_set(h, 0) >= 0)
+ break;
+ if (h->is_avc ? 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));
- ff_h264_decode_seq_parameter_set(h);
+ 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));
+ if (ff_h264_decode_seq_parameter_set(h, 0) >= 0)
+ break;
}
+ init_get_bits(&h->gb, ptr, bit_length);
+ ff_h264_decode_seq_parameter_set(h, 1);
break;
case NAL_PPS:
context_count = 0;
}
- if (err < 0) {
- av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
+ if (err < 0 || err == SLICE_SKIPED) {
+ if (err < 0)
+ av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
- } else if (err == 1) {
+ } else if (err == SLICE_SINGLETHREAD) {
+ if (context_count > 1) {
+ ret = ff_h264_execute_decode_slices(h, context_count - 1);
+ if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
+ goto end;
+ context_count = 0;
+ }
/* Slice could not be decoded in parallel mode, restart. Note
* that rbsp_buffer is not transferred, but since we no longer
* run in parallel mode this should not be an issue. */
return pos;
}
-static int output_frame(H264Context *h, AVFrame *dst, AVFrame *src)
+static int output_frame(H264Context *h, AVFrame *dst, H264Picture *srcp)
{
+ AVFrame *src = srcp->f;
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(src->format);
int i;
int ret = av_frame_ref(dst, src);
if (ret < 0)
return ret;
- if (!h->sps.crop)
+ av_dict_set(&dst->metadata, "stereo_mode", ff_h264_sei_stereo_mode(h), 0);
+
+ h->backup_width = h->avctx->width;
+ h->backup_height = h->avctx->height;
+ h->backup_pix_fmt = h->avctx->pix_fmt;
+
+ h->avctx->width = dst->width;
+ h->avctx->height = dst->height;
+ h->avctx->pix_fmt = dst->format;
+
+ if (srcp->sei_recovery_frame_cnt == 0)
+ dst->key_frame = 1;
+ if (!srcp->crop)
return 0;
- for (i = 0; i < 3; i++) {
- int hshift = (i > 0) ? h->chroma_x_shift : 0;
- int vshift = (i > 0) ? h->chroma_y_shift : 0;
- int off = ((h->sps.crop_left >> hshift) << h->pixel_shift) +
- (h->sps.crop_top >> vshift) * dst->linesize[i];
+ for (i = 0; i < desc->nb_components; i++) {
+ int hshift = (i > 0) ? desc->log2_chroma_w : 0;
+ int vshift = (i > 0) ? desc->log2_chroma_h : 0;
+ int off = ((srcp->crop_left >> hshift) << h->pixel_shift) +
+ (srcp->crop_top >> vshift) * dst->linesize[i];
dst->data[i] += off;
}
return 0;
}
+static int is_extra(const uint8_t *buf, int buf_size)
+{
+ 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)
+ return 0;
+ p += nalsize;
+ }
+ cnt = *(p++);
+ if(!cnt)
+ return 0;
+ while(cnt--){
+ int nalsize= AV_RB16(p) + 2;
+ if(nalsize > buf_size - (p-buf) || p[2]!=0x68)
+ return 0;
+ p += nalsize;
+ }
+ return 1;
+}
+
static int h264_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
H264Context *h = avctx->priv_data;
AVFrame *pict = data;
int buf_index = 0;
+ H264Picture *out;
+ int i, out_idx;
int ret;
h->flags = avctx->flags;
h->setup_finished = 0;
+ if (h->backup_width != -1) {
+ avctx->width = h->backup_width;
+ h->backup_width = -1;
+ }
+ if (h->backup_height != -1) {
+ avctx->height = h->backup_height;
+ h->backup_height = -1;
+ }
+ if (h->backup_pix_fmt != AV_PIX_FMT_NONE) {
+ avctx->pix_fmt = h->backup_pix_fmt;
+ h->backup_pix_fmt = AV_PIX_FMT_NONE;
+ }
+
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
+
/* end of stream, output what is still in the buffers */
-out:
if (buf_size == 0) {
- H264Picture *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];
h->delayed_pic[i] = h->delayed_pic[i + 1];
if (out) {
- ret = output_frame(h, pict, out->f);
+ out->reference &= ~DELAYED_PIC_REF;
+ ret = output_frame(h, pict, out);
if (ret < 0)
return ret;
*got_frame = 1;
return buf_index;
}
+ if (h->is_avc && av_packet_get_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, NULL)) {
+ int side_size;
+ uint8_t *side = av_packet_get_side_data(avpkt, AV_PKT_DATA_NEW_EXTRADATA, &side_size);
+ if (is_extra(side, side_size))
+ ff_h264_decode_extradata(h, side, side_size);
+ }
+ if(h->is_avc && buf_size >= 9 && buf[0]==1 && buf[2]==0 && (buf[4]&0xFC)==0xFC && (buf[5]&0x1F) && buf[8]==0x67){
+ if (is_extra(buf, buf_size))
+ return ff_h264_decode_extradata(h, buf, buf_size);
+ }
buf_index = decode_nal_units(h, buf, buf_size, 0);
if (buf_index < 0)
return AVERROR_INVALIDDATA;
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 & AV_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 AVERROR_INVALIDDATA;
}
ff_h264_field_end(h, &h->slice_ctx[0], 0);
+ /* Wait for second field. */
*got_frame = 0;
- if (h->next_output_pic && ((avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) ||
+ if (h->next_output_pic && (
h->next_output_pic->recovered)) {
if (!h->next_output_pic->recovered)
h->next_output_pic->f->flags |= AV_FRAME_FLAG_CORRUPT;
- ret = output_frame(h, pict, h->next_output_pic->f);
+ if (!h->avctx->hwaccel &&
+ (h->next_output_pic->field_poc[0] == INT_MAX ||
+ h->next_output_pic->field_poc[1] == INT_MAX)
+ ) {
+ int p;
+ AVFrame *f = h->next_output_pic->f;
+ int field = h->next_output_pic->field_poc[0] == INT_MAX;
+ uint8_t *dst_data[4];
+ int linesizes[4];
+ const uint8_t *src_data[4];
+
+ av_log(h->avctx, AV_LOG_DEBUG, "Duplicating field %d to fill missing\n", field);
+
+ for (p = 0; p<4; p++) {
+ dst_data[p] = f->data[p] + (field^1)*f->linesize[p];
+ src_data[p] = f->data[p] + field *f->linesize[p];
+ linesizes[p] = 2*f->linesize[p];
+ }
+
+ av_image_copy(dst_data, linesizes, src_data, linesizes,
+ f->format, f->width, f->height>>1);
+ }
+
+ ret = output_frame(h, pict, h->next_output_pic);
if (ret < 0)
return ret;
*got_frame = 1;
+ if (CONFIG_MPEGVIDEO) {
+ ff_print_debug_info2(h->avctx, pict, NULL,
+ h->next_output_pic->mb_type,
+ h->next_output_pic->qscale_table,
+ h->next_output_pic->motion_val,
+ &h->low_delay,
+ h->mb_width, h->mb_height, h->mb_stride, 1);
+ }
}
}
- assert(pict->buf[0] || !*got_frame);
+ av_assert0(pict->buf[0] || !*got_frame);
+
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
return get_consumed_bytes(buf_index, buf_size);
}
ff_h264_unref_picture(h, &h->DPB[i]);
av_frame_free(&h->DPB[i].f);
}
+ memset(h->delayed_pic, 0, sizeof(h->delayed_pic));
h->cur_pic_ptr = NULL;
{
H264Context *h = avctx->priv_data;
+ ff_h264_remove_all_refs(h);
ff_h264_free_context(h);
ff_h264_unref_picture(h, &h->cur_pic);
av_frame_free(&h->cur_pic.f);
+ ff_h264_unref_picture(h, &h->last_pic_for_ec);
+ av_frame_free(&h->last_pic_for_ec.f);
return 0;
}
#define OFFSET(x) offsetof(H264Context, x)
#define VD AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM
static const AVOption h264_options[] = {
- { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VD },
+ {"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},
+ { "enable_er", "Enable error resilience on damaged frames (unsafe)", OFFSET(enable_er), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VD },
{ NULL },
};
static const AVClass h264_class = {
- .class_name = "h264",
+ .class_name = "H264 Decoder",
.item_name = av_default_item_name,
.option = h264_options,
.version = LIBAVUTIL_VERSION_INT,
.profiles = NULL_IF_CONFIG_SMALL(profiles),
.priv_class = &h264_class,
};
+
+#if CONFIG_H264_VDPAU_DECODER
+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_vdpau_decoder = {
+ .name = "h264_vdpau",
+ .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .priv_data_size = sizeof(H264Context),
+ .init = ff_h264_decode_init,
+ .close = h264_decode_end,
+ .decode = h264_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
+ .flush = flush_dpb,
+ .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
projects / ffmpeg / blobdiff