diff options
| author | Nicolas George <george@nsup.org> | 2013-12-31 14:09:15 +0100 |
|---|---|---|
| committer | Nicolas George <george@nsup.org> | 2014-02-11 10:29:02 +0100 |
| commit | 62106fcc23cf52f8e44be572b58c3bb50f598763 (patch) | |
| tree | c234b3dfa1ca8c71643d52c935733df7401bd70a /libavdevice | |
| parent | 1b05ac220ef1370cb6ba805b82ca764e4c5bed25 (diff) | |
lavd/alsa: preliminary support of uncoded frame.
Diffstat (limited to 'libavdevice')
| -rw-r--r-- | libavdevice/alsa-audio-enc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/libavdevice/alsa-audio-enc.c b/libavdevice/alsa-audio-enc.c index 83e1d2f85f..bf56fc46d7 100644 --- a/libavdevice/alsa-audio-enc.c +++ b/libavdevice/alsa-audio-enc.c @@ -113,6 +113,24 @@ static int audio_write_packet(AVFormatContext *s1, AVPacket *pkt) return 0; } +static int audio_write_frame(AVFormatContext *s1, int stream_index, + AVFrame **frame, unsigned flags) +{ + AlsaData *s = s1->priv_data; + AVPacket pkt; + + /* ff_alsa_open() should have accepted only supported formats */ + if ((flags & AV_WRITE_UNCODED_FRAME_QUERY)) + return av_sample_fmt_is_planar(s1->streams[stream_index]->codec->sample_fmt) ? + AVERROR(EINVAL) : 0; + /* set only used fields */ + pkt.data = (*frame)->data[0]; + pkt.size = (*frame)->nb_samples * s->frame_size; + pkt.dts = (*frame)->pkt_dts; + pkt.duration = av_frame_get_pkt_duration(*frame); + return audio_write_packet(s1, &pkt); +} + static void audio_get_output_timestamp(AVFormatContext *s1, int stream, int64_t *dts, int64_t *wall) @@ -133,6 +151,7 @@ AVOutputFormat ff_alsa_muxer = { .write_header = audio_write_header, .write_packet = audio_write_packet, .write_trailer = ff_alsa_close, + .write_uncoded_frame = audio_write_frame, .get_output_timestamp = audio_get_output_timestamp, .flags = AVFMT_NOFILE, }; |