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avcodec/hevc: Move skipped_bytes_pos_nal to HEVCNAL, simplify code

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-13 00:43:25 +02:00
parent bcc6c7bb65
commit ad92410d90
3 changed files with 10 additions and 18 deletions
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11
libavcodec/hevc.c
View File

@ -2781,7 +2781,7 @@ static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
/* decode the NAL units */
for (i = 0; i < s->pkt.nb_nals; i++) {
s->skipped_bytes_pos = s->skipped_bytes_pos_nal[i];
s->skipped_bytes_pos = s->pkt.nals[i].skipped_bytes_pos_nal;
ret = decode_nal_unit(s, &s->pkt.nals[i]);
if (ret < 0) {
@ -2971,11 +2971,6 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
av_freep(&s->md5_ctx);
for(i=0; i < s->pkt.nals_allocated; i++) {
av_freep(&s->skipped_bytes_pos_nal[i]);
}
av_freep(&s->skipped_bytes_pos_nal);
av_freep(&s->cabac_state);
for (i = 0; i < 3; i++) {
@ -3014,8 +3009,10 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
s->HEVClc = NULL;
av_freep(&s->HEVClcList[0]);
for (i = 0; i < s->pkt.nals_allocated; i++)
for (i = 0; i < s->pkt.nals_allocated; i++) {
av_freep(&s->pkt.nals[i].rbsp_buffer);
av_freep(&s->pkt.nals[i].skipped_bytes_pos_nal);
}
av_freep(&s->pkt.nals);
s->pkt.nals_allocated = 0;

3
libavcodec/hevc.h
View File

@ -762,6 +762,7 @@ typedef struct HEVCNAL {
int skipped_bytes;
int skipped_bytes_pos_size_nal;
int *skipped_bytes_pos_nal;
} HEVCNAL;
/* an input packet split into unescaped NAL units */
@ -903,8 +904,6 @@ typedef struct HEVCContext {
int *skipped_bytes_pos;
int skipped_bytes_pos_size;
int **skipped_bytes_pos_nal;
const uint8_t *data;
HEVCPacket pkt;

14
libavcodec/hevc_parse.c
View File

@ -218,29 +218,25 @@ int ff_hevc_split_packet(HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, in
memset(pkt->nals + pkt->nals_allocated, 0,
(new_size - pkt->nals_allocated) * sizeof(*pkt->nals));
tmp = av_realloc_array(s->skipped_bytes_pos_nal, new_size, sizeof(*s->skipped_bytes_pos_nal));
if (!tmp)
return AVERROR(ENOMEM);
s->skipped_bytes_pos_nal = tmp;
nal = &pkt->nals[pkt->nb_nals];
nal->skipped_bytes_pos_size_nal = 1024; // initial buffer size
s->skipped_bytes_pos_nal[pkt->nals_allocated] = av_malloc_array(nal->skipped_bytes_pos_size_nal, sizeof(*s->skipped_bytes_pos));
if (!s->skipped_bytes_pos_nal[pkt->nals_allocated])
nal->skipped_bytes_pos_nal = av_malloc_array(nal->skipped_bytes_pos_size_nal, sizeof(*s->skipped_bytes_pos));
if (!nal->skipped_bytes_pos_nal)
return AVERROR(ENOMEM);
pkt->nals_allocated = new_size;
}
nal = &pkt->nals[pkt->nb_nals];
s->skipped_bytes_pos_size = nal->skipped_bytes_pos_size_nal;
s->skipped_bytes_pos = s->skipped_bytes_pos_nal[pkt->nb_nals];
s->skipped_bytes_pos = nal->skipped_bytes_pos_nal;
consumed = ff_hevc_extract_rbsp(s, buf, extract_length, nal);
if (consumed < 0)
return consumed;
nal->skipped_bytes_pos_size_nal = s->skipped_bytes_pos_size;
s->skipped_bytes_pos_nal[pkt->nb_nals++] = s->skipped_bytes_pos;
nal->skipped_bytes_pos_nal = s->skipped_bytes_pos;
pkt->nb_nals++;
ret = init_get_bits8(&nal->gb, nal->data, nal->size);
if (ret < 0)