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avcodec/hevc_parser: export framerate, remove one dependency on the decoder 

Fixes Ticket6090

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-02-14 16:33:53 +01:00
parent 8c8e5d5286
commit db3507a670
1 changed files with 13 additions and 0 deletions
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13
libavcodec/hevc_parser.c
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@ -230,6 +230,7 @@ static inline int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
for (;;) {
int src_length, consumed;
int ret;
int num = 0, den = 0;
buf = avpriv_find_start_code(buf, buf_end, &state);
if (--buf + 2 >= buf_end)
break;
@ -320,6 +321,18 @@ static inline int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
avctx->profile = ps->sps->ptl.general_ptl.profile_idc;
avctx->level = ps->sps->ptl.general_ptl.level_idc;
if (ps->vps->vps_timing_info_present_flag) {
num = ps->vps->vps_num_units_in_tick;
den = ps->vps->vps_time_scale;
} else if (ps->sps->vui.vui_timing_info_present_flag) {
num = ps->sps->vui.vui_num_units_in_tick;
den = ps->sps->vui.vui_time_scale;
}
if (num != 0 && den != 0)
av_reduce(&avctx->framerate.den, &avctx->framerate.num,
num, den, 1 << 30);
if (!sh->first_slice_in_pic_flag) {
int slice_address_length;