unsigned page_count; ///< number of page buffered
OGGPage page; ///< current page
unsigned serial_num; ///< serial number
+ int64_t last_granule; ///< last packet granule
} OGGStreamContext;
typedef struct OGGPageList {
return 0;
}
-static int64_t ogg_granule_to_timestamp(OGGStreamContext *oggstream, OGGPage *page)
+static int64_t ogg_granule_to_timestamp(OGGStreamContext *oggstream, int64_t granule)
{
if (oggstream->kfgshift)
- return (page->granule>>oggstream->kfgshift) +
- (page->granule & ((1<<oggstream->kfgshift)-1));
+ return (granule>>oggstream->kfgshift) +
+ (granule & ((1<<oggstream->kfgshift)-1));
else
- return page->granule;
+ return granule;
}
static int ogg_compare_granule(AVFormatContext *s, OGGPage *next, OGGPage *page)
if (next->granule == -1 || page->granule == -1)
return 0;
- next_granule = av_rescale_q(ogg_granule_to_timestamp(st2->priv_data, next),
+ next_granule = av_rescale_q(ogg_granule_to_timestamp(st2->priv_data, next->granule),
st2->time_base, AV_TIME_BASE_Q);
- cur_granule = av_rescale_q(ogg_granule_to_timestamp(st->priv_data, page),
+ cur_granule = av_rescale_q(ogg_granule_to_timestamp(st->priv_data, page->granule),
st ->time_base, AV_TIME_BASE_Q);
return next_granule > cur_granule;
}
OGGStreamContext *oggstream = st->priv_data;
int total_segments = size / 255 + 1;
uint8_t *p = data;
- int i, segments, len;
+ int i, segments, len, flush = 0;
+
+ // Handles VFR by flushing page because this frame needs to have a timestamp
+ if (st->codec->codec_id == CODEC_ID_THEORA &&
+ ogg_granule_to_timestamp(oggstream, granule) >
+ ogg_granule_to_timestamp(oggstream, oggstream->last_granule) + 1) {
+ if (oggstream->page.granule != -1)
+ ogg_buffer_page(s, oggstream);
+ flush = 1;
+ }
for (i = 0; i < total_segments; ) {
OGGPage *page = &oggstream->page;
ogg_buffer_page(s, oggstream);
}
}
+
+ if (flush && oggstream->page.granule != -1)
+ ogg_buffer_page(s, oggstream);
+
return 0;
}
uint8_t *p, *p0;
unsigned int count;
+ ff_metadata_conv(m, ff_vorbiscomment_metadata_conv, NULL);
+
size = offset + ff_vorbiscomment_length(*m, vendor, &count) + framing_bit;
p = av_mallocz(size);
if (!p)
ogg_write_pages(s, 0);
+ oggstream->last_granule = granule;
+
return 0;
}
return 0;
}
-AVOutputFormat ogg_muxer = {
+AVOutputFormat ff_ogg_muxer = {
"ogg",
NULL_IF_CONFIG_SMALL("Ogg"),
"application/ogg",
ogg_write_header,
ogg_write_packet,
ogg_write_trailer,
- .metadata_conv = ff_vorbiscomment_metadata_conv,
};