#include <stdio.h>
#include "oggdec.h"
#include "avformat.h"
+#include "vorbiscomment.h"
#define MAX_PAGE_SIZE 65307
#define DECODER_BUFFER_SIZE MAX_PAGE_SIZE
struct ogg_state *ost =
av_malloc(sizeof (*ost) + (ogg->nstreams-1) * sizeof (*ogg->streams));
int i;
- ost->pos = url_ftell (s->pb);
+ ost->pos = avio_tell (s->pb);
ost->curidx = ogg->curidx;
ost->next = ogg->state;
ost->nstreams = ogg->nstreams;
ogg_restore (AVFormatContext * s, int discard)
{
struct ogg *ogg = s->priv_data;
- ByteIOContext *bc = s->pb;
+ AVIOContext *bc = s->pb;
struct ogg_state *ost = ogg->state;
int i;
for (i = 0; i < ogg->nstreams; i++)
av_free (ogg->streams[i].buf);
- url_fseek (bc, ost->pos, SEEK_SET);
+ avio_seek (bc, ost->pos, SEEK_SET);
ogg->curidx = ost->curidx;
ogg->nstreams = ost->nstreams;
memcpy(ogg->streams, ost->streams,
static int
ogg_read_page (AVFormatContext * s, int *str)
{
- ByteIOContext *bc = s->pb;
+ AVIOContext *bc = s->pb;
struct ogg *ogg = s->priv_data;
struct ogg_stream *os;
int i = 0;
uint8_t sync[4];
int sp = 0;
- if (get_buffer (bc, sync, 4) < 4)
+ if (avio_read (bc, sync, 4) < 4)
return -1;
do{
sync[(sp + 2) & 3] == 'g' && sync[(sp + 3) & 3] == 'S')
break;
- c = url_fgetc (bc);
- if (c < 0)
+ c = avio_r8(bc);
+ if (bc->eof_reached)
return -1;
sync[sp++ & 3] = c;
}while (i++ < MAX_PAGE_SIZE);
return -1;
}
- if (url_fgetc (bc) != 0) /* version */
+ if (avio_r8(bc) != 0) /* version */
return -1;
- flags = url_fgetc (bc);
- gp = get_le64 (bc);
- serial = get_le32 (bc);
- seq = get_le32 (bc);
- crc = get_le32 (bc);
- nsegs = url_fgetc (bc);
+ flags = avio_r8(bc);
+ gp = avio_rl64 (bc);
+ serial = avio_rl32 (bc);
+ seq = avio_rl32 (bc);
+ crc = avio_rl32 (bc);
+ nsegs = avio_r8(bc);
idx = ogg_find_stream (ogg, serial);
if (idx < 0){
+ if (ogg->headers) {
+ int n;
+
+ for (n = 0; n < ogg->nstreams; n++) {
+ av_freep(&ogg->streams[n].buf);
+ av_freep(&ogg->streams[n].private);
+ }
+ ogg->curidx = -1;
+ ogg->nstreams = 0;
+ }
idx = ogg_new_stream (s, serial);
if (idx < 0)
return -1;
}
os = ogg->streams + idx;
- os->page_pos = url_ftell(bc) - 27;
+ os->page_pos = avio_tell(bc) - 27;
if(os->psize > 0)
ogg_new_buf(ogg, idx);
- if (get_buffer (bc, os->segments, nsegs) < nsegs)
+ if (avio_read (bc, os->segments, nsegs) < nsegs)
return -1;
os->nsegs = nsegs;
os->buf = nb;
}
- if (get_buffer (bc, os->buf + os->bufpos, size) < size)
+ if (avio_read (bc, os->buf + os->bufpos, size) < size)
return -1;
os->bufpos += size;
int complete = 0;
int segp = 0, psize = 0;
-#if 0
- av_log (s, AV_LOG_DEBUG, "ogg_packet: curidx=%i\n", ogg->curidx);
-#endif
+ av_dlog(s, AV_LOG_DEBUG, "ogg_packet: curidx=%i\n", ogg->curidx);
do{
idx = ogg->curidx;
os = ogg->streams + idx;
-#if 0
- av_log (s, AV_LOG_DEBUG,
+ av_dlog(s, AV_LOG_DEBUG,
"ogg_packet: idx=%d pstart=%d psize=%d segp=%d nsegs=%d\n",
idx, os->pstart, os->psize, os->segp, os->nsegs);
-#endif
if (!os->codec){
if (os->header < 0){
}
}while (!complete);
-#if 0
- av_log (s, AV_LOG_DEBUG,
+ av_dlog(s, AV_LOG_DEBUG,
"ogg_packet: idx %i, frame size %i, start %i\n",
idx, os->psize, os->pstart);
-#endif
+
+ if (os->granule == -1)
+ av_log(s, AV_LOG_WARNING, "Page at %"PRId64" is missing granule\n", os->page_pos);
ogg->curidx = idx;
os->incomplete = 0;
- if (!ogg->headers){
- int hdr = os->codec->header (s, idx);
- os->header = os->seq;
- if (!hdr){
+ if (os->header) {
+ os->header = os->codec->header (s, idx);
+ if (!os->header){
os->segp = segp;
os->psize = psize;
+
+ // We have reached the first non-header packet in this stream.
+ // Unfortunately more header packets may still follow for others,
+ // so we reset this later unless we are done with the headers
+ // for all streams.
ogg->headers = 1;
- s->data_offset = os->sync_pos;
+
+ // Update the header state for all streams and
+ // compute the data_offset.
+ if (!s->data_offset)
+ s->data_offset = os->sync_pos;
+ for (i = 0; i < ogg->nstreams; i++) {
+ struct ogg_stream *cur_os = ogg->streams + i;
+ if (cur_os->header > 0)
+ ogg->headers = 0;
+
+ // if we have a partial non-header packet, its start is
+ // obviously at or after the data start
+ if (cur_os->incomplete)
+ s->data_offset = FFMIN(s->data_offset, cur_os->sync_pos);
+ }
}else{
os->pstart += os->psize;
os->psize = 0;
}
- }
-
- if (os->header > -1 && os->seq > os->header){
+ } else {
os->pflags = 0;
os->pduration = 0;
if (os->codec && os->codec->packet)
break;
}
- os->seq++;
if (os->segp == os->nsegs)
ogg->curidx = -1;
return -1;
}while (!ogg->headers);
-#if 0
- av_log (s, AV_LOG_DEBUG, "found headers\n");
-#endif
+ av_dlog(s, AV_LOG_DEBUG, "found headers\n");
return 0;
}
ogg_get_length (AVFormatContext * s)
{
struct ogg *ogg = s->priv_data;
- int idx = -1, i;
+ int i;
int64_t size, end;
- if(url_is_streamed(s->pb))
+ if(!s->pb->seekable)
return 0;
// already set
if (s->duration != AV_NOPTS_VALUE)
return 0;
- size = url_fsize(s->pb);
+ size = avio_size(s->pb);
if(size < 0)
return 0;
end = size > MAX_PAGE_SIZE? size - MAX_PAGE_SIZE: 0;
ogg_save (s);
- url_fseek (s->pb, end, SEEK_SET);
+ avio_seek (s->pb, end, SEEK_SET);
while (!ogg_read_page (s, &i)){
if (ogg->streams[i].granule != -1 && ogg->streams[i].granule != 0 &&
- ogg->streams[i].codec)
- idx = i;
- }
-
- if (idx != -1){
- s->streams[idx]->duration =
- ogg_gptopts (s, idx, ogg->streams[idx].granule, NULL);
- if (s->streams[idx]->start_time != AV_NOPTS_VALUE)
- s->streams[idx]->duration -= s->streams[idx]->start_time;
+ ogg->streams[i].codec) {
+ s->streams[i]->duration =
+ ogg_gptopts (s, i, ogg->streams[i].granule, NULL);
+ if (s->streams[i]->start_time != AV_NOPTS_VALUE)
+ s->streams[i]->duration -= s->streams[i]->start_time;
+ }
}
- ogg->size = size;
ogg_restore (s, 0);
return 0;
else
os->lastpts = ogg_gptopts(s, idx, os->granule, &os->lastdts);
os->granule = -1LL;
- } else
- av_log(s, AV_LOG_WARNING, "Packet is missing granule\n");
+ }
}
return pts;
}
// pflags might not be set until after this
pts = ogg_calc_pts(s, idx, &dts);
- if (os->keyframe_seek && !(os->pflags & PKT_FLAG_KEY))
+ if (os->keyframe_seek && !(os->pflags & AV_PKT_FLAG_KEY))
goto retry;
os->keyframe_seek = 0;
{
struct ogg *ogg = s->priv_data;
struct ogg_stream *os = ogg->streams + stream_index;
- ByteIOContext *bc = s->pb;
+ AVIOContext *bc = s->pb;
int64_t pts = AV_NOPTS_VALUE;
int i;
- url_fseek(bc, *pos_arg, SEEK_SET);
+ avio_seek(bc, *pos_arg, SEEK_SET);
ogg_reset(ogg);
- while (url_ftell(bc) < pos_limit && !ogg_packet(s, &i, NULL, NULL, pos_arg)) {
+ while (avio_tell(bc) < pos_limit && !ogg_packet(s, &i, NULL, NULL, pos_arg)) {
if (i == stream_index) {
pts = ogg_calc_pts(s, i, NULL);
- if (os->keyframe_seek && !(os->pflags & PKT_FLAG_KEY))
+ if (os->keyframe_seek && !(os->pflags & AV_PKT_FLAG_KEY))
pts = AV_NOPTS_VALUE;
}
if (pts != AV_NOPTS_VALUE)
// Try seeking to a keyframe first. If this fails (very possible),
// av_seek_frame will fall back to ignoring keyframes
- if (s->streams[stream_index]->codec->codec_type == CODEC_TYPE_VIDEO
+ if (s->streams[stream_index]->codec->codec_type == AVMEDIA_TYPE_VIDEO
&& !(flags & AVSEEK_FLAG_ANY))
os->keyframe_seek = 1;
return 0;
}
-AVInputFormat ogg_demuxer = {
+AVInputFormat ff_ogg_demuxer = {
"ogg",
NULL_IF_CONFIG_SMALL("Ogg"),
sizeof (struct ogg),
ogg_read_seek,
ogg_read_timestamp,
.extensions = "ogg",
- .metadata_conv = ff_vorbiscomment_metadata_conv,
+ .flags = AVFMT_GENERIC_INDEX,
};
projects / ffmpeg / blobdiff