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avaudenc: Use non-deprecated avcodec_encode_audio2() API

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This also allows us to always get an output buffer of the required size
instead of risking that it is too small.
This commit is contained in:
Sebastian Dröge 2012-11-20 10:53:01 +01:00
parent 7a29cffc50
commit 3ffbb6ff94
1 changed files with 20 additions and 15 deletions
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35
ext/libav/gstavaudenc.c
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@ -346,44 +346,49 @@ static GstFlowReturn
gst_ffmpegaudenc_encode_audio (GstFFMpegAudEnc * ffmpegaudenc,
guint8 * audio_in, guint in_size, guint max_size)
{
GstBuffer *outbuf;
AVCodecContext *ctx;
GstMapInfo map;
gint res;
GstFlowReturn ret;
GstAudioInfo *info;
AVPacket pkt;
AVFrame frame;
gint got_output;
ctx = ffmpegaudenc->context;
/* We need to provide at least ffmpegs minimal buffer size */
outbuf =
gst_audio_encoder_allocate_output_buffer (GST_AUDIO_ENCODER
(ffmpegaudenc), max_size + FF_MIN_BUFFER_SIZE);
gst_buffer_map (outbuf, &map, GST_MAP_WRITE);
GST_LOG_OBJECT (ffmpegaudenc, "encoding buffer of max size %d", max_size);
if (ffmpegaudenc->buffer_size != max_size)
ffmpegaudenc->buffer_size = max_size;
res = avcodec_encode_audio (ctx, map.data, max_size, (short *) audio_in);
memset (&pkt, 0, sizeof (pkt));
memset (&frame, 0, sizeof (frame));
info = gst_audio_encoder_get_audio_info (GST_AUDIO_ENCODER (ffmpegaudenc));
frame.data[0] = audio_in;
frame.linesize[0] = in_size;
frame.nb_samples = in_size / info->bpf;
res = avcodec_encode_audio2 (ctx, &pkt, &frame, &got_output);
if (res < 0) {
gst_buffer_unmap (outbuf, &map);
GST_ERROR_OBJECT (ffmpegaudenc, "Failed to encode buffer: %d", res);
gst_buffer_unref (outbuf);
return GST_FLOW_OK;
}
GST_LOG_OBJECT (ffmpegaudenc, "got output size %d", res);
gst_buffer_unmap (outbuf, &map);
gst_buffer_resize (outbuf, 0, res);
if (res > 0) {
GST_LOG_OBJECT (ffmpegaudenc, "pushing size %d", res);
if (got_output) {
GstBuffer *outbuf;
GST_LOG_OBJECT (ffmpegaudenc, "pushing size %d", pkt.size);
outbuf =
gst_buffer_new_wrapped_full (0, pkt.data, pkt.size, 0, pkt.size,
pkt.data, av_free);
ret =
gst_audio_encoder_finish_frame (GST_AUDIO_ENCODER (ffmpegaudenc),
outbuf, 1);
} else {
GST_LOG_OBJECT (ffmpegaudenc, "no output produced");
gst_buffer_unref (outbuf);
ret = GST_FLOW_OK;
}