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Add support for STREAM_CTRL_SEEK_TO_TIME in ffmpeg streams

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@31218 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
hyc 2010-05-25 23:07:28 +00:00
parent e765b9cd43
commit 3c1cedaa56
2 changed files with 31 additions and 4 deletions
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24
libmpdemux/demux_lavf.c
View File

@ -83,7 +83,8 @@ typedef struct lavf_priv_t{
}lavf_priv_t;
static int mp_read(void *opaque, uint8_t *buf, int size) {
stream_t *stream = opaque;
demuxer_t *demuxer = opaque;
stream_t *stream = demuxer->stream;
int ret;
if(stream_eof(stream)) //needed?
@ -95,7 +96,8 @@ static int mp_read(void *opaque, uint8_t *buf, int size) {
}
static int64_t mp_seek(void *opaque, int64_t pos, int whence) {
stream_t *stream = opaque;
demuxer_t *demuxer = opaque;
stream_t *stream = demuxer->stream;
int64_t current_pos;
mp_msg(MSGT_HEADER,MSGL_DBG2,"mp_seek(%p, %"PRId64", %d)\n", stream, pos, whence);
if(whence == SEEK_CUR)
@ -123,6 +125,21 @@ static int64_t mp_seek(void *opaque, int64_t pos, int whence) {
return pos - stream->start_pos;
}
static int64_t mp_read_seek(void *opaque, int stream_idx, int64_t ts, int flags) {
demuxer_t *demuxer = opaque;
stream_t *stream = demuxer->stream;
lavf_priv_t *priv = demuxer->priv;
AVStream *st = priv->avfc->streams[stream_idx];
int ret;
double pts;
pts = (double)ts * st->time_base.num / st->time_base.den;
ret = stream_control(stream, STREAM_CTRL_SEEK_TO_TIME, &pts);
if (ret < 0)
ret = AVERROR(ENOSYS);
return ret;
}
static void list_formats(void) {
AVInputFormat *fmt;
mp_msg(MSGT_DEMUX, MSGL_INFO, "Available lavf input formats:\n");
@ -503,7 +520,8 @@ static demuxer_t* demux_open_lavf(demuxer_t *demuxer){
av_strlcat(mp_filename, "foobar.dummy", sizeof(mp_filename));
priv->pb = av_alloc_put_byte(priv->buffer, BIO_BUFFER_SIZE, 0,
demuxer->stream, mp_read, NULL, mp_seek);
demuxer, mp_read, NULL, mp_seek);
priv->pb->read_seek = mp_read_seek;
priv->pb->is_streamed = !demuxer->stream->end_pos || (demuxer->stream->flags & MP_STREAM_SEEK) != MP_STREAM_SEEK;
if(av_open_input_stream(&avfc, priv->pb, mp_filename, priv->avif, &ap)<0){

11
stream/stream_ffmpeg.c
View File

@ -49,7 +49,8 @@ static int seek(stream_t *s, off_t newpos)
static int control(stream_t *s, int cmd, void *arg)
{
int64_t size;
int64_t size, ts;
double pts;
switch(cmd) {
case STREAM_CTRL_GET_SIZE:
size = url_filesize(s->priv);
@ -57,6 +58,14 @@ static int control(stream_t *s, int cmd, void *arg)
*(off_t *)arg = size;
return 1;
}
break;
case STREAM_CTRL_SEEK_TO_TIME:
pts = *(double *)arg;
ts = pts * AV_TIME_BASE;
ts = av_url_read_seek(s->priv, -1, ts, 0);
if (ts >= 0)
return 1;
break;
}
return STREAM_UNSUPPORTED;
}