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demux_lavf: add per-stream state

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Seems like this will be useful later.
This commit is contained in:
wm4 2019-06-09 23:00:04 +02:00
parent 91abd7a4f7
commit cb82a206a9
1 changed files with 17 additions and 8 deletions
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25
demux/demux_lavf.c
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@ -198,6 +198,10 @@ struct nested_stream {
int64_t last_bytes;
};
struct stream_info {
struct sh_stream *sh;
};
typedef struct lavf_priv {
struct stream *stream;
bool own_stream;
@ -209,7 +213,7 @@ typedef struct lavf_priv {
bstr init_fragment;
int64_t stream_pos;
AVIOContext *pb;
struct sh_stream **streams; // NULL for unknown streams
struct stream_info **streams; // NULL for unknown streams
int num_streams;
char *mime_type;
double seek_delay;
@ -572,7 +576,7 @@ static void select_tracks(struct demuxer *demuxer, int start)
{
lavf_priv_t *priv = demuxer->priv;
for (int n = start; n < priv->num_streams; n++) {
struct sh_stream *stream = priv->streams[n];
struct sh_stream *stream = priv->streams[n]->sh;
AVStream *st = priv->avfc->streams[n];
bool selected = stream && demux_stream_is_selected(stream) &&
!stream->attached_picture;
@ -753,8 +757,12 @@ static void handle_new_stream(demuxer_t *demuxer, int i)
default: ;
}
struct stream_info *info = talloc_zero(priv, struct stream_info);
*info = (struct stream_info){
.sh = sh,
};
assert(priv->num_streams == i); // directly mapped
MP_TARRAY_APPEND(priv, priv->streams, priv->num_streams, sh);
MP_TARRAY_APPEND(priv, priv->streams, priv->num_streams, info);
if (sh) {
sh->ff_index = st->index;
@ -838,12 +846,12 @@ static void update_metadata(demuxer_t *demuxer)
}
for (int n = 0; n < priv->num_streams; n++) {
AVStream *st = priv->streams[n] ? priv->avfc->streams[n] : NULL;
AVStream *st = priv->streams[n]->sh ? priv->avfc->streams[n] : NULL;
if (st && st->event_flags & AVSTREAM_EVENT_FLAG_METADATA_UPDATED) {
st->event_flags = 0;
struct mp_tags *tags = talloc_zero(NULL, struct mp_tags);
mp_tags_copy_from_av_dictionary(tags, st->metadata);
demux_set_stream_tags(demuxer, priv->streams[n], tags);
demux_set_stream_tags(demuxer, priv->streams[n]->sh, tags);
}
}
}
@ -1128,7 +1136,7 @@ static bool demux_lavf_read_packet(struct demuxer *demux,
update_metadata(demux);
assert(pkt->stream_index >= 0 && pkt->stream_index < priv->num_streams);
struct sh_stream *stream = priv->streams[pkt->stream_index];
struct sh_stream *stream = priv->streams[pkt->stream_index]->sh;
AVStream *st = priv->avfc->streams[pkt->stream_index];
if (!demux_stream_is_selected(stream)) {
@ -1271,8 +1279,9 @@ static void demux_close_lavf(demuxer_t *demuxer)
av_freep(&priv->pb->buffer);
av_freep(&priv->pb);
for (int n = 0; n < priv->num_streams; n++) {
if (priv->streams[n])
avcodec_parameters_free(&priv->streams[n]->codec->lav_codecpar);
struct stream_info *info = priv->streams[n];
if (info->sh)
avcodec_parameters_free(&info->sh->codec->lav_codecpar);
}
if (priv->own_stream)
free_stream(priv->stream);