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-rw-r--r--demux/demux.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/demux/demux.c b/demux/demux.c
index a748a3b5b0..9646bf4f64 100644
--- a/demux/demux.c
+++ b/demux/demux.c
@@ -217,8 +217,8 @@ struct demux_cached_range {
// demux_queue) are always either NOPTS, or fully valid.
double seek_start, seek_end;
- // Set if the file ends with this range.
- bool is_eof;
+ bool is_bof; // set if the file begins with this range
+ bool is_eof; // set if the file ends with this range
};
#define MAX_INDEX_ENTRIES 16
@@ -249,6 +249,7 @@ struct demux_queue {
double seek_start, seek_end;
double last_pruned; // timestamp of last pruned keyframe
+ bool is_bof; // started demuxing at beginning of file
bool is_eof; // received true EOF here
// incomplete index to somewhat speed up seek operations
@@ -428,6 +429,7 @@ static void set_current_range(struct demux_internal *in,
static void update_seek_ranges(struct demux_cached_range *range)
{
range->seek_start = range->seek_end = MP_NOPTS_VALUE;
+ range->is_bof = true;
range->is_eof = true;
for (int n = 0; n < range->num_streams; n++) {
@@ -438,6 +440,7 @@ static void update_seek_ranges(struct demux_cached_range *range)
range->seek_end = MP_PTS_MIN(range->seek_end, queue->seek_end);
range->is_eof &= queue->is_eof;
+ range->is_bof &= queue->is_bof;
if (queue->seek_start >= queue->seek_end) {
range->seek_start = range->seek_end = MP_NOPTS_VALUE;
@@ -486,6 +489,7 @@ static void remove_head_packet(struct demux_queue *queue)
queue->next_prune_target = NULL;
if (queue->keyframe_latest == dp)
queue->keyframe_latest = NULL;
+ queue->is_bof = false;
queue->ds->in->total_bytes -= demux_packet_estimate_total_size(dp);
@@ -527,6 +531,7 @@ static void clear_queue(struct demux_queue *queue)
queue->keyframe_pts = queue->keyframe_end_pts = MP_NOPTS_VALUE;
queue->is_eof = false;
+ queue->is_bof = false;
}
static void clear_cached_range(struct demux_internal *in,
@@ -1155,6 +1160,8 @@ void demux_add_packet(struct sh_stream *stream, demux_packet_t *dp)
struct demux_internal *in = ds->in;
pthread_mutex_lock(&in->lock);
+ in->initial_state = false;
+
double ts = dp->dts == MP_NOPTS_VALUE ? dp->pts : dp->dts;
if (dp->segmented)
ts = MP_PTS_MIN(ts, dp->end);
@@ -1324,6 +1331,11 @@ static bool read_packet(struct demux_internal *in)
if (!read_more && !prefetch_more && !refresh_more)
return false;
+ if (in->initial_state) {
+ for (int n = 0; n < in->num_streams; n++)
+ in->current_range->streams[n]->is_bof = in->streams[n]->ds->selected;
+ }
+
// Actually read a packet. Drop the lock while doing so, because waiting
// for disk or network I/O can take time.
in->idle = false;
@@ -2325,10 +2337,12 @@ static struct demux_cached_range *find_cache_seek_target(struct demux_internal *
for (int n = 0; n < in->num_ranges; n++) {
struct demux_cached_range *r = in->ranges[n];
if (r->seek_start != MP_NOPTS_VALUE) {
- MP_VERBOSE(in, "cached range %d: %f <-> %f (eof=%d)\n",
- n, r->seek_start, r->seek_end, r->is_eof);
+ MP_VERBOSE(in, "cached range %d: %f <-> %f (bof=%d, eof=%d)\n",
+ n, r->seek_start, r->seek_end, r->is_bof, r->is_eof);
- if (pts >= r->seek_start && (pts <= r->seek_end || r->is_eof)) {
+ if ((pts >= r->seek_start || r->is_bof) &&
+ (pts <= r->seek_end || r->is_eof))
+ {
MP_VERBOSE(in, "...using this range for in-cache seek.\n");
return r;
}