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gst/auparse/gstauparse.c: eee (32, 64) only unsupported formats are ADPCM/CCITT G.72x

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Original commit message from CVS:
* gst/auparse/gstauparse.c:
fixes a-law, adds mu-law, linear pcm (8,16,24,32), ieee (32, 64)
only unsupported formats are ADPCM/CCITT G.72x
reviewed by Ronald
* gst-libs/gst/audio/audio.h:
adds 24bit depth to PCM (x-raw-int)
This commit is contained in:
Stéphane Loeuillet 2004-05-10 23:55:17 +00:00
parent 63739d94e6
commit c288c226c9
2 changed files with 70 additions and 19 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2004-05-11 Stephane Loeuillet <stephane.loeuillet@tiscali.fr>
* gst/auparse/gstauparse.c:
fixes a-law, adds mu-law, linear pcm (8,16,24,32), ieee (32, 64)
only unsupported formats are ADPCM/CCITT G.72x
reviewed by Ronald
* gst-libs/gst/audio/audio.h: adds 24bit depth to PCM (x-raw-int)
2004-05-10 Wim Taymans <wim@fluendo.com> 2004-05-10 Wim Taymans <wim@fluendo.com>
* ext/vorbis/Makefile.am: * ext/vorbis/Makefile.am:

81
gst/auparse/gstauparse.c
View file

@ -49,8 +49,12 @@ static GstStaticPadTemplate gst_auparse_src_template =
GST_STATIC_PAD_TEMPLATE ("src", GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC, GST_PAD_SRC,
GST_PAD_ALWAYS, GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; " GST_STATIC_CAPS (GST_AUDIO_INT_PAD_TEMPLATE_CAPS "; " /* does not support 24bit without patch */
GST_AUDIO_FLOAT_PAD_TEMPLATE_CAPS "; "
"audio/x-alaw, " "audio/x-alaw, "
"rate = (int) [ 8000, 48000 ], "
"channels = (int) [ 1, 2 ]; "
"audio/x-mulaw, "
"rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]") "rate = (int) [ 8000, 48000 ], " "channels = (int) [ 1, 2 ]")
); );
@ -155,8 +159,7 @@ gst_auparse_chain (GstPad * pad, GstData * _data)
gchar *data; gchar *data;
glong size; glong size;
GstCaps *tempcaps; GstCaps *tempcaps;
gint law, depth; gint law, depth, ieee;
gboolean sign;
g_return_if_fail (pad != NULL); g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad)); g_return_if_fail (GST_IS_PAD (pad));
@ -193,9 +196,8 @@ gst_auparse_chain (GstPad * pad, GstData * _data)
/* and of course, someone had to invent a little endian /* and of course, someone had to invent a little endian
* version. Used by DEC systems. */ * version. Used by DEC systems. */
} else if (GUINT32_FROM_LE (*head) == 0x0064732E) { } else if (GUINT32_FROM_LE (*head) == 0x0064732E) {
auparse->le = 1;
head++; head++;
auparse->le = 0; auparse->le = 1;
auparse->offset = GUINT32_FROM_LE (*head); auparse->offset = GUINT32_FROM_LE (*head);
head++; head++;
auparse->size = GUINT32_FROM_LE (*head); auparse->size = GUINT32_FROM_LE (*head);
@ -222,38 +224,79 @@ gst_auparse_chain (GstPad * pad, GstData * _data)
auparse->offset, auparse->size, auparse->encoding, auparse->frequency, auparse->offset, auparse->size, auparse->encoding, auparse->frequency,
auparse->channels); auparse->channels);
/*
Docs :
http://www.opengroup.org/public/pubs/external/auformat.html
http://astronomy.swin.edu.au/~pbourke/dataformats/au/
Samples :
http://www.tsp.ece.mcgill.ca/MMSP/Documents/AudioFormats/AU/Samples.html
*/
switch (auparse->encoding) { switch (auparse->encoding) {
case 1:
case 1: /* 8-bit ISDN mu-law */
law = 1; law = 1;
depth = 8; depth = 8;
sign = FALSE;
break; break;
case 2:
case 2: /* 8-bit linear PCM */
law = 0; law = 0;
depth = 8; depth = 8;
sign = FALSE;
break; break;
case 3: case 3: /* 16-bit linear PCM */
law = 0; law = 0;
depth = 16; depth = 16;
sign = TRUE;
break; break;
case 4: /* 24-bit linear PCM */
law = 0;
depth = 24;
break;
case 5: /* 32-bit linear PCM */
law = 0;
depth = 32;
break;
case 27: /* 8-bit ISDN a-law */
law = 2;
depth = 8;
break;
case 6: /* 32 bit IEEE floating point */
ieee = 1;
depth = 32;
break;
case 7: /* 64 bit IEEE floating point */
ieee = 1;
depth = 64;
break;
case 23: /* 4 bit CCITT G721 ADPCM */
case 24: /* CCITT G722 ADPCM */
case 25: /* CCITT G723 ADPCM */
case 26: /* 5 bit CCITT G723 ADPCM */
default: default:
g_warning ("help!, dont know how to deal with this format yet\n"); g_warning ("help!, dont know how to deal with this format yet\n");
return; return;
} }
if (law) { if (law) {
tempcaps = gst_caps_new_simple ("audio/x-alaw", tempcaps =
"rate", G_TYPE_INT, auparse->frequency, gst_caps_new_simple ((law == 1) ? "audio/x-mulaw" : "audio/x-alaw",
"channels", G_TYPE_INT, auparse->channels, NULL); "rate", G_TYPE_INT, auparse->frequency, "channels", G_TYPE_INT,
auparse->channels, NULL);
} else if (ieee) {
tempcaps = gst_caps_new_simple ("audio/x-raw-float",
"width", G_TYPE_INT, depth,
"endianness", G_TYPE_INT,
auparse->le ? G_LITTLE_ENDIAN : G_BIG_ENDIAN, NULL);
} else { } else {
tempcaps = gst_caps_new_simple ("audio/x-raw-int", tempcaps = gst_caps_new_simple ("audio/x-raw-int",
"endianness", G_TYPE_INT, G_BIG_ENDIAN, "endianness", G_TYPE_INT,
"rate", G_TYPE_INT, auparse->frequency, auparse->le ? G_LITTLE_ENDIAN : G_BIG_ENDIAN, "rate", G_TYPE_INT,
"channels", G_TYPE_INT, auparse->channels, auparse->frequency, "channels", G_TYPE_INT, auparse->channels,
"depth", G_TYPE_INT, depth, "depth", G_TYPE_INT, depth, "width", G_TYPE_INT, depth, "signed",
"width", G_TYPE_INT, depth, "signed", G_TYPE_BOOLEAN, sign, NULL); G_TYPE_BOOLEAN, TRUE, NULL);
} }
if (!gst_pad_set_explicit_caps (auparse->srcpad, tempcaps)) { if (!gst_pad_set_explicit_caps (auparse->srcpad, tempcaps)) {