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vorbisenc: push an updated segment stop time when we know it

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When encoding, libvorbis will tell us how many samples are encoded
in the buffer it returns. This number may be less than the maximum
of samples in the block, if this is the last packet. In we have no
segment end time, we set it to the end time of that last sample to
tell downstream that the buffer contains less samples.
This commit is contained in:
Vincent Penquerc'h 2014-06-05 14:50:15 +01:00
parent aa5b5b9085
commit a16cd5d2a5
1 changed files with 21 additions and 0 deletions
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21
ext/vorbis/gstvorbisenc.c
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@ -800,6 +800,27 @@ gst_vorbis_enc_output_buffers (GstVorbisEnc * vorbisenc)
while (vorbis_bitrate_flushpacket (&vorbisenc->vd, &op)) {
GstBuffer *buf;
if (op.e_o_s) {
GstAudioEncoder *enc = GST_AUDIO_ENCODER (vorbisenc);
GstClockTime duration;
GST_DEBUG_OBJECT (vorbisenc, "Got EOS packet from libvorbis");
GST_AUDIO_ENCODER_STREAM_LOCK (enc);
if (!GST_CLOCK_TIME_IS_VALID (enc->output_segment.stop)) {
GST_DEBUG_OBJECT (vorbisenc,
"Output segment has no end time, setting");
duration =
gst_util_uint64_scale (op.granulepos, GST_SECOND,
vorbisenc->frequency);
enc->output_segment.stop = enc->output_segment.start + duration;
GST_DEBUG_OBJECT (enc, "new output segment %" GST_SEGMENT_FORMAT,
&enc->output_segment);
gst_pad_push_event (GST_AUDIO_ENCODER_SRC_PAD (enc),
gst_event_new_segment (&enc->output_segment));
}
GST_AUDIO_ENCODER_STREAM_UNLOCK (enc);
}
GST_LOG_OBJECT (vorbisenc, "pushing out a data packet");
buf =
gst_audio_encoder_allocate_output_buffer (GST_AUDIO_ENCODER