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Diffstat (limited to 'audio/decode/ad_lavc.c')
-rw-r--r--audio/decode/ad_lavc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/audio/decode/ad_lavc.c b/audio/decode/ad_lavc.c
index 93c297b009..64095b0018 100644
--- a/audio/decode/ad_lavc.c
+++ b/audio/decode/ad_lavc.c
@@ -43,6 +43,7 @@ struct priv {
struct mp_audio frame;
bool force_channel_map;
uint32_t skip_samples, trim_samples;
+ bool preroll_done;
double next_pts;
};
@@ -168,6 +169,7 @@ static int control(struct dec_audio *da, int cmd, void *arg)
avcodec_flush_buffers(ctx->avctx);
ctx->skip_samples = 0;
ctx->trim_samples = 0;
+ ctx->preroll_done = false;
ctx->next_pts = MP_NOPTS_VALUE;
return CONTROL_TRUE;
}
@@ -242,6 +244,13 @@ static int decode_packet(struct dec_audio *da, struct demux_packet *mpkt,
}
#endif
+ if (!priv->preroll_done) {
+ // Skip only if this isn't already handled by AV_FRAME_DATA_SKIP_SAMPLES.
+ if (!priv->skip_samples)
+ priv->skip_samples = avctx->delay;
+ priv->preroll_done = true;
+ }
+
uint32_t skip = MPMIN(priv->skip_samples, mpframe->samples);
if (skip) {
mp_audio_skip_samples(mpframe, skip);