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demux_timeline: move code around

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Cosmetic preparation for later changes.
This commit is contained in:
wm4 2017-01-30 16:16:13 +01:00
parent a46fc5e5eb
commit 97680bf604
1 changed files with 41 additions and 41 deletions
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82
demux/demux_timeline.c
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@ -65,6 +65,47 @@ struct priv {
int eos_packets;
};
static bool target_stream_used(struct segment *seg, int target_index)
{
for (int n = 0; n < seg->num_stream_map; n++) {
if (seg->stream_map[n] == target_index)
return true;
}
return false;
}
// Create mapping from segment streams to virtual timeline streams.
static void associate_streams(struct demuxer *demuxer, struct segment *seg)
{
struct priv *p = demuxer->priv;
int counts[STREAM_TYPE_COUNT] = {0};
int num_streams = demux_get_num_stream(seg->d);
for (int n = 0; n < num_streams; n++) {
struct sh_stream *sh = demux_get_stream(seg->d, n);
// Try associating by demuxer ID (supposedly useful for ordered chapters).
struct sh_stream *other =
demuxer_stream_by_demuxer_id(demuxer, sh->type, sh->demuxer_id);
if (!other || !target_stream_used(seg, other->index)) {
// Try to associate the first unused stream with matching media type.
for (int i = 0; i < p->num_streams; i++) {
struct sh_stream *cur = p->streams[i].sh;
if (cur->type == sh->type && !target_stream_used(seg, cur->index))
{
other = cur;
break;
}
}
}
MP_TARRAY_APPEND(seg, seg->stream_map, seg->num_stream_map,
other ? other->index : -1);
counts[sh->type] += 1;
}
}
static void reselect_streams(struct demuxer *demuxer)
{
struct priv *p = demuxer->priv;
@ -247,47 +288,6 @@ static void print_timeline(struct demuxer *demuxer)
MP_VERBOSE(demuxer, "Total duration: %f\n", p->duration);
}
static bool target_stream_used(struct segment *seg, int target_index)
{
for (int n = 0; n < seg->num_stream_map; n++) {
if (seg->stream_map[n] == target_index)
return true;
}
return false;
}
// Create mapping from segment streams to virtual timeline streams.
static void associate_streams(struct demuxer *demuxer, struct segment *seg)
{
struct priv *p = demuxer->priv;
int counts[STREAM_TYPE_COUNT] = {0};
int num_streams = demux_get_num_stream(seg->d);
for (int n = 0; n < num_streams; n++) {
struct sh_stream *sh = demux_get_stream(seg->d, n);
// Try associating by demuxer ID (supposedly useful for ordered chapters).
struct sh_stream *other =
demuxer_stream_by_demuxer_id(demuxer, sh->type, sh->demuxer_id);
if (!other || !target_stream_used(seg, other->index)) {
// Try to associate the first unused stream with matching media type.
for (int i = 0; i < p->num_streams; i++) {
struct sh_stream *cur = p->streams[i].sh;
if (cur->type == sh->type && !target_stream_used(seg, cur->index))
{
other = cur;
break;
}
}
}
MP_TARRAY_APPEND(seg, seg->stream_map, seg->num_stream_map,
other ? other->index : -1);
counts[sh->type] += 1;
}
}
static int d_open(struct demuxer *demuxer, enum demux_check check)
{
struct priv *p = demuxer->priv = talloc_zero(demuxer, struct priv);