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Put the MPEG audio version into the caps as "mpegaudioversion".

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Original commit message from CVS:
* ext/lame/gstlame.c: (gst_lame_sink_setcaps):
* gst/mpegaudioparse/gstmpegaudioparse.c:
(mp3_type_frame_length_from_header), (mp3_caps_create),
(gst_mp3parse_chain):
Put the MPEG audio version into the caps as "mpegaudioversion".
This is different from "mpegversion".
This commit is contained in:
Sebastian Dröge 2008-07-27 11:01:12 +00:00
parent 59aed0789c
commit d2d56eb183
3 changed files with 32 additions and 9 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2008-07-27 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* ext/lame/gstlame.c: (gst_lame_sink_setcaps):
* gst/mpegaudioparse/gstmpegaudioparse.c:
(mp3_type_frame_length_from_header), (mp3_caps_create),
(gst_mp3parse_chain):
Put the MPEG audio version into the caps as "mpegaudioversion".
This is different from "mpegversion".
2008-07-22 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* ext/lame/gstlame.c: (gst_lame_class_init), (gst_lame_init),

10
ext/lame/gstlame.c
View file

@ -506,6 +506,7 @@ gst_lame_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstLame *lame;
gint out_samplerate;
gint version;
GstStructure *structure;
GstCaps *othercaps;
@ -531,9 +532,18 @@ gst_lame_sink_setcaps (GstPad * pad, GstCaps * caps)
out_samplerate, lame->samplerate);
}
version = lame_get_version (lame->lgf);
if (version == 0)
version = 2;
else if (version == 1)
version = 1;
else if (version == 2)
version = 3;
othercaps =
gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"mpegaudioversion", G_TYPE_INT, version,
"layer", G_TYPE_INT, 3,
"channels", G_TYPE_INT, lame->mode == MONO ? 1 : lame->num_channels,
"rate", G_TYPE_INT, out_samplerate, NULL);

22
gst/mpegaudioparse/gstmpegaudioparse.c
View file

@ -185,9 +185,8 @@ mp3_type_frame_length_from_header (GstMPEGAudioParse * mp3parse, guint32 header,
guint * put_crc)
{
guint length;
gulong mode, samplerate, bitrate, layer, channels, padding, crc;
gulong version;
gint lsf, mpg25;
GEnumValue *mode_enum;
@ -200,6 +199,8 @@ mp3_type_frame_length_from_header (GstMPEGAudioParse * mp3parse, guint32 header,
mpg25 = 1;
}
version = 1 + lsf + mpg25;
layer = 4 - ((header >> 17) & 0x3);
crc = (header >> 16) & 0x1;
@ -235,12 +236,12 @@ mp3_type_frame_length_from_header (GstMPEGAudioParse * mp3parse, guint32 header,
GST_DEBUG_OBJECT (mp3parse, "Calculated mp3 frame length of %u bytes",
length);
GST_DEBUG_OBJECT (mp3parse, "samplerate = %lu, bitrate = %lu, layer = %lu, "
"channels = %lu, mode = %s", samplerate, bitrate, layer, channels,
mode_enum->value_nick);
GST_DEBUG_OBJECT (mp3parse, "samplerate = %lu, bitrate = %lu, version = %lu, "
"layer = %lu, channels = %lu, mode = %s", samplerate, bitrate, version,
layer, channels, mode_enum->value_nick);
if (put_version)
*put_version = lsf ? 2 : 1;
*put_version = version;
if (put_layer)
*put_layer = layer;
if (put_channels)
@ -258,16 +259,18 @@ mp3_type_frame_length_from_header (GstMPEGAudioParse * mp3parse, guint32 header,
}
static GstCaps *
mp3_caps_create (guint layer, guint channels, guint samplerate)
mp3_caps_create (guint version, guint layer, guint channels, guint samplerate)
{
GstCaps *new;
g_assert (version);
g_assert (layer);
g_assert (samplerate);
g_assert (channels);
new = gst_caps_new_simple ("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"mpegaudioversion", G_TYPE_INT, version,
"layer", G_TYPE_INT, layer,
"rate", G_TYPE_INT, samplerate,
"channels", G_TYPE_INT, channels, "parsed", G_TYPE_BOOLEAN, TRUE, NULL);
@ -1317,10 +1320,11 @@ gst_mp3parse_chain (GstPad * pad, GstBuffer * buf)
}
if (channels != mp3parse->channels ||
rate != mp3parse->rate || layer != mp3parse->layer) {
rate != mp3parse->rate || layer != mp3parse->layer ||
version != mp3parse->version) {
GstCaps *caps;
caps = mp3_caps_create (layer, channels, rate);
caps = mp3_caps_create (version, layer, channels, rate);
gst_pad_set_caps (mp3parse->srcpad, caps);
gst_caps_unref (caps);