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gst/wavenc/gstwavenc.*: everything else results in a invalid block align and invalid files.

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Original commit message from CVS:
* gst/wavenc/gstwavenc.c: (gst_wavenc_create_header_buf),
(gst_wavenc_sink_setcaps), (gst_wavenc_change_state):
* gst/wavenc/gstwavenc.h:
Wav apparently only supports width==GST_ROUND_UP(depth), everything
else results in a invalid block align and invalid files.
This commit is contained in:
Sebastian Dröge 2007-04-18 09:48:25 +00:00
parent b5cfe36ab7
commit 1723d916dd
3 changed files with 31 additions and 9 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2007-04-18 Sebastian Dröge <slomo@circular-chaos.org>
* gst/wavenc/gstwavenc.c: (gst_wavenc_create_header_buf),
(gst_wavenc_sink_setcaps), (gst_wavenc_change_state):
* gst/wavenc/gstwavenc.h:
Wav apparently only supports width==GST_ROUND_UP(depth), everything
else results in a invalid block align and invalid files.
2007-04-17 Tim-Philipp Müller <tim at centricular dot net>
Patch by: Snaik <snaik32 gmail com>

31
gst/wavenc/gstwavenc.c
View file

@ -78,8 +78,24 @@ GST_ELEMENT_DETAILS ("WAV audio muxer",
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 2 ], " \
"endianness = (int) LITTLE_ENDIAN, " \
"width = (int) { 16, 24, 32 }, " \
"depth = (int) [ 1, 32 ], " \
"width = (int) 32, " \
"depth = (int) [ 25, 32 ], " \
"signed = (boolean) true" \
"; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 2 ], " \
"endianness = (int) LITTLE_ENDIAN, " \
"width = (int) 24, " \
"depth = (int) [ 17, 24 ], " \
"signed = (boolean) true" \
"; " \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 2 ], " \
"endianness = (int) LITTLE_ENDIAN, " \
"width = (int) 16, " \
"depth = (int) [ 9, 16 ], " \
"signed = (boolean) true" \
"; " \
"audio/x-raw-int, " \
@ -179,9 +195,10 @@ gst_wavenc_create_header_buf (GstWavEnc * wavenc, guint audio_data_size)
wave.format.len = 16;
wave.common.wFormatTag = WAVE_FORMAT_PCM;
wave.common.wBlockAlign = (wavenc->width / 8) * wave.common.wChannels;
wave.common.dwAvgBytesPerSec = wave.common.wBlockAlign *
wave.common.dwSamplesPerSec;
wave.common.wBlockAlign =
(GST_ROUND_UP_8 (wavenc->depth) / 8) * wave.common.wChannels;
wave.common.dwAvgBytesPerSec =
wave.common.wBlockAlign * wave.common.dwSamplesPerSec;
memcpy (wave.data.id, "data", 4);
wave.data.len = audio_data_size;
@ -257,12 +274,11 @@ gst_wavenc_sink_setcaps (GstPad * pad, GstCaps * caps)
}
wavenc->channels = chans;
wavenc->width = width;
wavenc->depth = depth;
wavenc->rate = rate;
GST_LOG_OBJECT (wavenc, "accepted caps: chans=%u width=%u depth=%u rate=%u",
wavenc->channels, wavenc->width, wavenc->depth, wavenc->rate);
wavenc->channels, width, wavenc->depth, wavenc->rate);
gst_object_unref (wavenc);
return TRUE;
@ -636,7 +652,6 @@ gst_wavenc_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
wavenc->channels = 0;
wavenc->width = 0;
wavenc->depth = 0;
wavenc->rate = 0;
wavenc->length = 0;

1
gst/wavenc/gstwavenc.h
View file

@ -48,7 +48,6 @@ struct _GstWavEnc {
/* useful audio data */
guint depth;
guint width;
guint rate;
guint channels;
guint32 length;