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ffmpeg.wasm-core
Commit 9e810a98 authored by Michael Niedermayer's avatar Michael Niedermayer
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Merge commit '650060df' 

* commit '650060df':
  hevc_parser: parse and export some stream parameters

Conflicts:
	configure
	libavcodec/hevc_parser.c
Merged-by: 's avatarMichael Niedermayer <michael@niedermayer.cc>
parents 99558270 650060df
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Showing with 292 additions and 219 deletions
configure
View file @ 9e810a98
...@@ -2440,7 +2440,7 @@ wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel" ...@@ -2440,7 +2440,7 @@ wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
# parsers # parsers
h264_parser_select="h264_decoder" h264_parser_select="h264_decoder"
hevc_parser_select="hevc_decoder" hevc_parser_select="golomb"
mpegvideo_parser_select="mpegvideo" mpegvideo_parser_select="mpegvideo"
mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp" mpeg4video_parser_select="error_resilience h263dsp mpeg_er mpegvideo qpeldsp"
vc1_parser_select="mpegvideo startcode vc1_decoder" vc1_parser_select="mpegvideo startcode vc1_decoder"
......
libavcodec/Makefile
View file @ 9e810a98
...@@ -832,7 +832,7 @@ OBJS-$(CONFIG_GSM_PARSER) += gsm_parser.o ...@@ -832,7 +832,7 @@ OBJS-$(CONFIG_GSM_PARSER) += gsm_parser.o
OBJS-$(CONFIG_H261_PARSER) += h261_parser.o OBJS-$(CONFIG_H261_PARSER) += h261_parser.o
OBJS-$(CONFIG_H263_PARSER) += h263_parser.o OBJS-$(CONFIG_H263_PARSER) += h263_parser.o
OBJS-$(CONFIG_H264_PARSER) += h264_parser.o OBJS-$(CONFIG_H264_PARSER) += h264_parser.o
OBJS-$(CONFIG_HEVC_PARSER) += hevc_parser.o OBJS-$(CONFIG_HEVC_PARSER) += hevc_parser.o hevc_parse.o
OBJS-$(CONFIG_MJPEG_PARSER) += mjpeg_parser.o OBJS-$(CONFIG_MJPEG_PARSER) += mjpeg_parser.o
OBJS-$(CONFIG_MLP_PARSER) += mlp_parser.o mlp.o OBJS-$(CONFIG_MLP_PARSER) += mlp_parser.o mlp.o
OBJS-$(CONFIG_MPEG4VIDEO_PARSER) += mpeg4video_parser.o h263.o \ OBJS-$(CONFIG_MPEG4VIDEO_PARSER) += mpeg4video_parser.o h263.o \
......
libavcodec/hevc_parser.c
View file @ 9e810a98
...@@ -22,16 +22,98 @@ ...@@ -22,16 +22,98 @@
#include "libavutil/common.h" #include "libavutil/common.h"
#include "parser.h"
#include "hevc.h"
#include "golomb.h" #include "golomb.h"
#include "hevc.h"
#include "parser.h"
#define START_CODE 0x000001 ///< start_code_prefix_one_3bytes #define START_CODE 0x000001 ///< start_code_prefix_one_3bytes
typedef struct HEVCParseContext { #define IS_IRAP_NAL(nal) (nal->type >= 16 && nal->type <= 23)
HEVCContext h;
typedef struct HEVCParserContext {
ParseContext pc; ParseContext pc;
} HEVCParseContext;
HEVCPacket pkt;
HEVCParamSets ps;
int parsed_extradata;
} HEVCParserContext;
static int hevc_parse_slice_header(AVCodecParserContext *s, HEVCNAL *nal,
AVCodecContext *avctx)
{
HEVCParserContext *ctx = s->priv_data;
GetBitContext *gb = &nal->gb;
HEVCPPS *pps;
HEVCSPS *sps;
unsigned int pps_id;
get_bits1(gb); // first slice in pic
if (IS_IRAP_NAL(nal))
get_bits1(gb); // no output of prior pics
pps_id = get_ue_golomb_long(gb);
if (pps_id >= MAX_PPS_COUNT || !ctx->ps.pps_list[pps_id]) {
av_log(avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", pps_id);
return AVERROR_INVALIDDATA;
}
pps = (HEVCPPS*)ctx->ps.pps_list[pps_id]->data;
sps = (HEVCSPS*)ctx->ps.sps_list[pps->sps_id]->data;
/* export the stream parameters */
s->coded_width = sps->width;
s->coded_height = sps->height;
s->width = sps->output_width;
s->height = sps->output_height;
s->format = sps->pix_fmt;
avctx->profile = sps->ptl.general_ptl.profile_idc;
avctx->level = sps->ptl.general_ptl.level_idc;
/* ignore the rest for now*/
return 0;
}
static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
int buf_size, AVCodecContext *avctx)
{
HEVCParserContext *ctx = s->priv_data;
int ret, i;
ret = ff_hevc_split_packet(NULL, &ctx->pkt, buf, buf_size, avctx, 0, 0);
if (ret < 0)
return ret;
for (i = 0; i < ctx->pkt.nb_nals; i++) {
HEVCNAL *nal = &ctx->pkt.nals[i];
/* ignore everything except parameter sets and VCL NALUs */
switch (nal->type) {
case NAL_VPS: ff_hevc_decode_nal_vps(&nal->gb, avctx, &ctx->ps); break;
case NAL_SPS: ff_hevc_decode_nal_sps(&nal->gb, avctx, &ctx->ps, 1); break;
case NAL_PPS: ff_hevc_decode_nal_pps(&nal->gb, avctx, &ctx->ps); break;
case NAL_TRAIL_R:
case NAL_TRAIL_N:
case NAL_TSA_N:
case NAL_TSA_R:
case NAL_STSA_N:
case NAL_STSA_R:
case NAL_BLA_W_LP:
case NAL_BLA_W_RADL:
case NAL_BLA_N_LP:
case NAL_IDR_W_RADL:
case NAL_IDR_N_LP:
case NAL_CRA_NUT:
case NAL_RADL_N:
case NAL_RADL_R:
case NAL_RASL_N:
case NAL_RASL_R: hevc_parse_slice_header(s, nal, avctx); break;
}
}
return 0;
}
/** /**
* Find the end of the current frame in the bitstream. * Find the end of the current frame in the bitstream.
...@@ -41,7 +123,7 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf, ...@@ -41,7 +123,7 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf,
int buf_size) int buf_size)
{ {
int i; int i;
ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc; ParseContext *pc = s->priv_data;
for (i = 0; i < buf_size; i++) { for (i = 0; i < buf_size; i++) {
int nut; int nut;
...@@ -84,180 +166,180 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf, ...@@ -84,180 +166,180 @@ static int hevc_find_frame_end(AVCodecParserContext *s, const uint8_t *buf,
* @param buf buffer with field/frame data. * @param buf buffer with field/frame data.
* @param buf_size size of the buffer. * @param buf_size size of the buffer.
*/ */
static inline int parse_nal_units(AVCodecParserContext *s, AVCodecContext *avctx, // static inline int parse_nal_unitsX(AVCodecParserContext *s, AVCodecContext *avctx,
const uint8_t *buf, int buf_size) // const uint8_t *buf, int buf_size)
{ // {
HEVCContext *h = &((HEVCParseContext *)s->priv_data)->h; // HEVCContext *h = &((HEVCParseContext *)s->priv_data)->h;
GetBitContext *gb = &h->HEVClc->gb; // GetBitContext *gb = &h->HEVClc->gb;
SliceHeader *sh = &h->sh; // SliceHeader *sh = &h->sh;
HEVCParamSets *ps = &h->ps; // HEVCParamSets *ps = &h->ps;
HEVCPacket *pkt = &h->pkt; // HEVCPacket *pkt = &h->pkt;
const uint8_t *buf_end = buf + buf_size; // const uint8_t *buf_end = buf + buf_size;
int state = -1, i; // int state = -1, i;
HEVCNAL *nal; // HEVCNAL *nal;
//
/* set some sane default values */ // /* set some sane default values */
s->pict_type = AV_PICTURE_TYPE_I; // s->pict_type = AV_PICTURE_TYPE_I;
s->key_frame = 0; // s->key_frame = 0;
s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN; // s->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN;
//
h->avctx = avctx; // h->avctx = avctx;
//
if (!buf_size) // if (!buf_size)
return 0; // return 0;
//
if (pkt->nals_allocated < 1) { // if (pkt->nals_allocated < 1) {
HEVCNAL *tmp = av_realloc_array(pkt->nals, 1, sizeof(*tmp)); // HEVCNAL *tmp = av_realloc_array(pkt->nals, 1, sizeof(*tmp));
if (!tmp) // if (!tmp)
return AVERROR(ENOMEM); // return AVERROR(ENOMEM);
pkt->nals = tmp; // pkt->nals = tmp;
memset(pkt->nals, 0, sizeof(*tmp)); // memset(pkt->nals, 0, sizeof(*tmp));
pkt->nals_allocated = 1; // pkt->nals_allocated = 1;
} // }
//
nal = &pkt->nals[0]; // nal = &pkt->nals[0];
//
for (;;) { // for (;;) {
int src_length, consumed; // int src_length, consumed;
buf = avpriv_find_start_code(buf, buf_end, &state); // buf = avpriv_find_start_code(buf, buf_end, &state);
if (--buf + 2 >= buf_end) // if (--buf + 2 >= buf_end)
break; // break;
src_length = buf_end - buf; // src_length = buf_end - buf;
//
h->nal_unit_type = (*buf >> 1) & 0x3f; // h->nal_unit_type = (*buf >> 1) & 0x3f;
h->temporal_id = (*(buf + 1) & 0x07) - 1; // h->temporal_id = (*(buf + 1) & 0x07) - 1;
if (h->nal_unit_type <= NAL_CRA_NUT) { // if (h->nal_unit_type <= NAL_CRA_NUT) {
// Do not walk the whole buffer just to decode slice segment header // // Do not walk the whole buffer just to decode slice segment header
if (src_length > 20) // if (src_length > 20)
src_length = 20; // src_length = 20;
} // }
//
consumed = ff_hevc_extract_rbsp(h, buf, src_length, nal); // consumed = ff_hevc_extract_rbsp(h, buf, src_length, nal);
if (consumed < 0) // if (consumed < 0)
return consumed; // return consumed;
//
init_get_bits8(gb, nal->data + 2, nal->size); // init_get_bits8(gb, nal->data + 2, nal->size);
switch (h->nal_unit_type) { // switch (h->nal_unit_type) {
case NAL_VPS: // case NAL_VPS:
ff_hevc_decode_nal_vps(gb, avctx, ps); // ff_hevc_decode_nal_vps(gb, avctx, ps);
break; // break;
case NAL_SPS: // case NAL_SPS:
ff_hevc_decode_nal_sps(gb, avctx, ps, h->apply_defdispwin); // ff_hevc_decode_nal_sps(gb, avctx, ps, h->apply_defdispwin);
break; // break;
case NAL_PPS: // case NAL_PPS:
ff_hevc_decode_nal_pps(gb, avctx, ps); // ff_hevc_decode_nal_pps(gb, avctx, ps);
break; // break;
case NAL_SEI_PREFIX: // case NAL_SEI_PREFIX:
case NAL_SEI_SUFFIX: // case NAL_SEI_SUFFIX:
ff_hevc_decode_nal_sei(h); // ff_hevc_decode_nal_sei(h);
break; // break;
case NAL_TRAIL_N: // case NAL_TRAIL_N:
case NAL_TRAIL_R: // case NAL_TRAIL_R:
case NAL_TSA_N: // case NAL_TSA_N:
case NAL_TSA_R: // case NAL_TSA_R:
case NAL_STSA_N: // case NAL_STSA_N:
case NAL_STSA_R: // case NAL_STSA_R:
case NAL_RADL_N: // case NAL_RADL_N:
case NAL_RADL_R: // case NAL_RADL_R:
case NAL_RASL_N: // case NAL_RASL_N:
case NAL_RASL_R: // case NAL_RASL_R:
case NAL_BLA_W_LP: // case NAL_BLA_W_LP:
case NAL_BLA_W_RADL: // case NAL_BLA_W_RADL:
case NAL_BLA_N_LP: // case NAL_BLA_N_LP:
case NAL_IDR_W_RADL: // case NAL_IDR_W_RADL:
case NAL_IDR_N_LP: // case NAL_IDR_N_LP:
case NAL_CRA_NUT: // case NAL_CRA_NUT:
sh->first_slice_in_pic_flag = get_bits1(gb); // sh->first_slice_in_pic_flag = get_bits1(gb);
s->picture_structure = h->picture_struct; // s->picture_structure = h->picture_struct;
s->field_order = h->picture_struct; // s->field_order = h->picture_struct;
//
if (IS_IRAP(h)) { // if (IS_IRAP(h)) {
s->key_frame = 1; // s->key_frame = 1;
sh->no_output_of_prior_pics_flag = get_bits1(gb); // sh->no_output_of_prior_pics_flag = get_bits1(gb);
} // }
//
sh->pps_id = get_ue_golomb(gb); // sh->pps_id = get_ue_golomb(gb);
if (sh->pps_id >= MAX_PPS_COUNT || !ps->pps_list[sh->pps_id]) { // if (sh->pps_id >= MAX_PPS_COUNT || !ps->pps_list[sh->pps_id]) {
av_log(h->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id); // av_log(h->avctx, AV_LOG_ERROR, "PPS id out of range: %d\n", sh->pps_id);
return AVERROR_INVALIDDATA; // return AVERROR_INVALIDDATA;
} // }
ps->pps = (HEVCPPS*)ps->pps_list[sh->pps_id]->data; // ps->pps = (HEVCPPS*)ps->pps_list[sh->pps_id]->data;
//
if (ps->pps->sps_id >= MAX_SPS_COUNT || !ps->sps_list[ps->pps->sps_id]) { // if (ps->pps->sps_id >= MAX_SPS_COUNT || !ps->sps_list[ps->pps->sps_id]) {
av_log(h->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", ps->pps->sps_id); // av_log(h->avctx, AV_LOG_ERROR, "SPS id out of range: %d\n", ps->pps->sps_id);
return AVERROR_INVALIDDATA; // return AVERROR_INVALIDDATA;
} // }
if (ps->sps != (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data) { // if (ps->sps != (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data) {
ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data; // ps->sps = (HEVCSPS*)ps->sps_list[ps->pps->sps_id]->data;
ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data; // ps->vps = (HEVCVPS*)ps->vps_list[ps->sps->vps_id]->data;
} // }
//
if (!sh->first_slice_in_pic_flag) { // if (!sh->first_slice_in_pic_flag) {
int slice_address_length; // int slice_address_length;
//
if (ps->pps->dependent_slice_segments_enabled_flag) // if (ps->pps->dependent_slice_segments_enabled_flag)
sh->dependent_slice_segment_flag = get_bits1(gb); // sh->dependent_slice_segment_flag = get_bits1(gb);
else // else
sh->dependent_slice_segment_flag = 0; // sh->dependent_slice_segment_flag = 0;
//
slice_address_length = av_ceil_log2_c(ps->sps->ctb_width * // slice_address_length = av_ceil_log2_c(ps->sps->ctb_width *
ps->sps->ctb_height); // ps->sps->ctb_height);
sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0; // sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0;
if (sh->slice_segment_addr >= ps->sps->ctb_width * ps->sps->ctb_height) { // if (sh->slice_segment_addr >= ps->sps->ctb_width * ps->sps->ctb_height) {
av_log(h->avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n", // av_log(h->avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n",
sh->slice_segment_addr); // sh->slice_segment_addr);
return AVERROR_INVALIDDATA; // return AVERROR_INVALIDDATA;
} // }
} else // } else
sh->dependent_slice_segment_flag = 0; // sh->dependent_slice_segment_flag = 0;
//
if (sh->dependent_slice_segment_flag) // if (sh->dependent_slice_segment_flag)
break; // break;
//
for (i = 0; i < ps->pps->num_extra_slice_header_bits; i++) // for (i = 0; i < ps->pps->num_extra_slice_header_bits; i++)
skip_bits(gb, 1); // slice_reserved_undetermined_flag[] // skip_bits(gb, 1); // slice_reserved_undetermined_flag[]
//
sh->slice_type = get_ue_golomb(gb); // sh->slice_type = get_ue_golomb(gb);
if (!(sh->slice_type == I_SLICE || sh->slice_type == P_SLICE || // if (!(sh->slice_type == I_SLICE || sh->slice_type == P_SLICE ||
sh->slice_type == B_SLICE)) { // sh->slice_type == B_SLICE)) {
av_log(h->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n", // av_log(h->avctx, AV_LOG_ERROR, "Unknown slice type: %d.\n",
sh->slice_type); // sh->slice_type);
return AVERROR_INVALIDDATA; // return AVERROR_INVALIDDATA;
} // }
s->pict_type = sh->slice_type == B_SLICE ? AV_PICTURE_TYPE_B : // s->pict_type = sh->slice_type == B_SLICE ? AV_PICTURE_TYPE_B :
sh->slice_type == P_SLICE ? AV_PICTURE_TYPE_P : // sh->slice_type == P_SLICE ? AV_PICTURE_TYPE_P :
AV_PICTURE_TYPE_I; // AV_PICTURE_TYPE_I;
//
if (ps->pps->output_flag_present_flag) // if (ps->pps->output_flag_present_flag)
sh->pic_output_flag = get_bits1(gb); // sh->pic_output_flag = get_bits1(gb);
//
if (ps->sps->separate_colour_plane_flag) // if (ps->sps->separate_colour_plane_flag)
sh->colour_plane_id = get_bits(gb, 2); // sh->colour_plane_id = get_bits(gb, 2);
//
if (!IS_IDR(h)) { // if (!IS_IDR(h)) {
sh->pic_order_cnt_lsb = get_bits(gb, ps->sps->log2_max_poc_lsb); // sh->pic_order_cnt_lsb = get_bits(gb, ps->sps->log2_max_poc_lsb);
s->output_picture_number = h->poc = ff_hevc_compute_poc(h, sh->pic_order_cnt_lsb); // s->output_picture_number = h->poc = ff_hevc_compute_poc(h, sh->pic_order_cnt_lsb);
} else // } else
s->output_picture_number = h->poc = 0; // s->output_picture_number = h->poc = 0;
//
if (h->temporal_id == 0 && // if (h->temporal_id == 0 &&
h->nal_unit_type != NAL_TRAIL_N && // h->nal_unit_type != NAL_TRAIL_N &&
h->nal_unit_type != NAL_TSA_N && // h->nal_unit_type != NAL_TSA_N &&
h->nal_unit_type != NAL_STSA_N && // h->nal_unit_type != NAL_STSA_N &&
h->nal_unit_type != NAL_RADL_N && // h->nal_unit_type != NAL_RADL_N &&
h->nal_unit_type != NAL_RASL_N && // h->nal_unit_type != NAL_RASL_N &&
h->nal_unit_type != NAL_RADL_R && // h->nal_unit_type != NAL_RADL_R &&
h->nal_unit_type != NAL_RASL_R) // h->nal_unit_type != NAL_RASL_R)
h->pocTid0 = h->poc; // h->pocTid0 = h->poc;
//
return 0; /* no need to evaluate the rest */ // return 0; /* no need to evaluate the rest */
} // }
buf += consumed; // buf += consumed;
} // }
/* didn't find a picture! */ // /* didn't find a picture! */
av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n"); // av_log(h->avctx, AV_LOG_ERROR, "missing picture in access unit\n");
return -1; // return -1;
} // }
static int hevc_parse(AVCodecParserContext *s, static int hevc_parse(AVCodecParserContext *s,
AVCodecContext *avctx, AVCodecContext *avctx,
...@@ -265,7 +347,13 @@ static int hevc_parse(AVCodecParserContext *s, ...@@ -265,7 +347,13 @@ static int hevc_parse(AVCodecParserContext *s,
const uint8_t *buf, int buf_size) const uint8_t *buf, int buf_size)
{ {
int next; int next;
ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc; HEVCParserContext *ctx = s->priv_data;
ParseContext *pc = &ctx->pc;
if (avctx->extradata && !ctx->parsed_extradata) {
parse_nal_units(s, avctx->extradata, avctx->extradata_size, avctx);
ctx->parsed_extradata = 1;
}
if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) { if (s->flags & PARSER_FLAG_COMPLETE_FRAMES) {
next = buf_size; next = buf_size;
...@@ -278,7 +366,7 @@ static int hevc_parse(AVCodecParserContext *s, ...@@ -278,7 +366,7 @@ static int hevc_parse(AVCodecParserContext *s,
} }
} }
parse_nal_units(s, avctx, buf, buf_size); parse_nal_units(s, buf, buf_size, avctx);
*poutbuf = buf; *poutbuf = buf;
*poutbuf_size = buf_size; *poutbuf_size = buf_size;
...@@ -307,49 +395,34 @@ static int hevc_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size) ...@@ -307,49 +395,34 @@ static int hevc_split(AVCodecContext *avctx, const uint8_t *buf, int buf_size)
return 0; return 0;
} }
static int hevc_init(AVCodecParserContext *s) static void hevc_parser_close(AVCodecParserContext *s)
{ {
HEVCContext *h = &((HEVCParseContext *)s->priv_data)->h; HEVCParserContext *ctx = s->priv_data;
h->HEVClc = av_mallocz(sizeof(HEVCLocalContext)); int i;
if (!h->HEVClc)
return AVERROR(ENOMEM);
return 0; for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.vps_list); i++)
} av_buffer_unref(&ctx->ps.vps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.sps_list); i++)
av_buffer_unref(&ctx->ps.sps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(ctx->ps.pps_list); i++)
av_buffer_unref(&ctx->ps.pps_list[i]);
static void hevc_close(AVCodecParserContext *s) ctx->ps.sps = NULL;
{
int i; for (i = 0; i < ctx->pkt.nals_allocated; i++) {
HEVCContext *h = &((HEVCParseContext *)s->priv_data)->h; av_freep(&ctx->pkt.nals[i].rbsp_buffer);
ParseContext *pc = &((HEVCParseContext *)s->priv_data)->pc; av_freep(&ctx->pkt.nals[i].skipped_bytes_pos);
HEVCParamSets *ps = &h->ps;
HEVCPacket *pkt = &h->pkt;
av_freep(&h->HEVClc);
av_freep(&pc->buffer);
for (i = 0; i < FF_ARRAY_ELEMS(ps->vps_list); i++)
av_buffer_unref(&ps->vps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(ps->sps_list); i++)
av_buffer_unref(&ps->sps_list[i]);
for (i = 0; i < FF_ARRAY_ELEMS(ps->pps_list); i++)
av_buffer_unref(&ps->pps_list[i]);
ps->sps = NULL;
for (i = 0; i < pkt->nals_allocated; i++) {
av_freep(&pkt->nals[i].rbsp_buffer);
av_freep(&pkt->nals[i].skipped_bytes_pos);
} }
av_freep(&pkt->nals); av_freep(&ctx->pkt.nals);
pkt->nals_allocated = 0; ctx->pkt.nals_allocated = 0;
av_freep(&ctx->pc.buffer);
} }
AVCodecParser ff_hevc_parser = { AVCodecParser ff_hevc_parser = {
.codec_ids = { AV_CODEC_ID_HEVC }, .codec_ids = { AV_CODEC_ID_HEVC },
.priv_data_size = sizeof(HEVCParseContext), .priv_data_size = sizeof(HEVCParserContext),
.parser_init = hevc_init,
.parser_parse = hevc_parse, .parser_parse = hevc_parse,
.parser_close = hevc_close, .parser_close = hevc_parser_close,
.split = hevc_split, .split = hevc_split,
}; };
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