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audio: add GST_AUDIO_INFO_IS_VALID macro and use in audio decoder base class

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API: GST_AUDIO_INFO_IS_VALID
This commit is contained in:
Tim-Philipp Müller 2011-11-13 13:18:16 +00:00
parent 12aab2cdcc
commit cd21e69913
2 changed files with 5 additions and 0 deletions
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2
gst-libs/gst/audio/audio.h
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@ -250,6 +250,8 @@ struct _GstAudioInfo {
GstAudioChannelPosition position[64];
};
#define GST_AUDIO_INFO_IS_VALID(i) ((i)->finfo != NULL && (i)->rate > 0 && (i)->channels > 0 && (i)->bpf > 0)
#define GST_AUDIO_INFO_FORMAT(i) (GST_AUDIO_FORMAT_INFO_FORMAT((i)->finfo))
#define GST_AUDIO_INFO_NAME(i) (GST_AUDIO_FORMAT_INFO_NAME((i)->finfo))
#define GST_AUDIO_INFO_WIDTH(i) (GST_AUDIO_FORMAT_INFO_WIDTH((i)->finfo))

3
gst-libs/gst/audio/gstaudiodecoder.c
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@ -722,6 +722,9 @@ gst_audio_decoder_finish_frame (GstAudioDecoder * dec, GstBuffer * buf,
priv = dec->priv;
ctx = &dec->priv->ctx;
/* must know the output format by now */
g_return_val_if_fail (GST_AUDIO_INFO_IS_VALID (&ctx->info), GST_FLOW_ERROR);
GST_LOG_OBJECT (dec, "accepting %d bytes == %d samples for %d frames",
buf ? GST_BUFFER_SIZE (buf) : -1,
buf ? GST_BUFFER_SIZE (buf) / ctx->info.bpf : -1, frames);