From 266c0bf8bf1a98cdf06d30eb35db81970fe8e98e Mon Sep 17 00:00:00 2001
From: Sebastian Dröge <slomo@circular-chaos.org>
Date: Sat, 2 Aug 2008 17:52:16 +0000
Subject: gst/matroska/matroska-mux.c: Add support for muxing raw float audio
 now that the spec defines the endianness and add ...

Original commit message from CVS:
* gst/matroska/matroska-mux.c:
(gst_matroska_mux_audio_pad_setcaps):
Add support for muxing raw float audio now that the spec defines the
endianness and add support for muxing raw integer audio with 24 and
32 bits.
Allow muxing of more than 8 audio channels.
---
 gst/matroska/matroska-mux.c | 40 ++++++++++++++++++++++++++++++++--------
 1 file changed, 32 insertions(+), 8 deletions(-)

(limited to 'gst')

diff --git a/gst/matroska/matroska-mux.c b/gst/matroska/matroska-mux.c
index 39a95b2d..7d30294f 100644
--- a/gst/matroska/matroska-mux.c
+++ b/gst/matroska/matroska-mux.c
@@ -96,11 +96,10 @@ static GstStaticPadTemplate videosink_templ =
     );
 
 #define COMMON_AUDIO_CAPS \
-  "channels = (int) [ 1, 8 ], " \
-  "rate = (int) [ 8000, 96000 ]"
+  "channels = (int) [ 1, MAX ], " \
+  "rate = (int) [ 1, MAX ]"
 
 /* FIXME:
- * * audio/x-raw-float: endianness needs defining.
  * * require codec data, etc as needed
  */
 static GstStaticPadTemplate audiosink_templ =
@@ -129,6 +128,22 @@ static GstStaticPadTemplate audiosink_templ =
         "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, "
         "signed = (boolean) true, "
         COMMON_AUDIO_CAPS ";"
+        "audio/x-raw-int, "
+        "width = (int) 24, "
+        "depth = (int) 24, "
+        "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, "
+        "signed = (boolean) true, "
+        COMMON_AUDIO_CAPS ";"
+        "audio/x-raw-int, "
+        "width = (int) 32, "
+        "depth = (int) 32, "
+        "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, "
+        "signed = (boolean) true, "
+        COMMON_AUDIO_CAPS ";"
+        "audio/x-raw-float, "
+        "width = (int) [ 32, 64 ], "
+        "endianness = (int) LITTLE_ENDIAN, "
+        COMMON_AUDIO_CAPS ";"
         "audio/x-tta, "
         "width = (int) { 8, 16, 24 }, "
         "channels = (int) { 1, 2 }, " "rate = (int) [ 8000, 96000 ]")
@@ -1034,8 +1049,7 @@ gst_matroska_mux_audio_pad_setcaps (GstPad * pad, GstCaps * caps)
     return TRUE;
   } else if (!strcmp (mimetype, "audio/x-raw-int")) {
     gint endianness, width, depth;
-
-    gboolean signedness;
+    gboolean signedness = G_LITTLE_ENDIAN;
 
     if (!gst_structure_get_int (structure, "width", &width) ||
         !gst_structure_get_int (structure, "depth", &depth) ||
@@ -1055,8 +1069,8 @@ gst_matroska_mux_audio_pad_setcaps (GstPad * pad, GstCaps * caps)
       return FALSE;
     }
 
-    /* where is this spec'ed out? (tpm) */
-    if ((width == 8 && signedness) || (width == 16 && !signedness)) {
+    /* FIXME: where is this spec'ed out? (tpm) */
+    if ((width == 8 && signedness) || (width >= 16 && !signedness)) {
       GST_DEBUG_OBJECT (mux, "8-bit PCM must be unsigned, 16-bit PCM signed");
       return FALSE;
     }
@@ -1069,7 +1083,17 @@ gst_matroska_mux_audio_pad_setcaps (GstPad * pad, GstCaps * caps)
 
     return TRUE;
   } else if (!strcmp (mimetype, "audio/x-raw-float")) {
-    /* FIXME: endianness is undefined */
+    gint width;
+
+    if (!gst_structure_get_int (structure, "width", &width)) {
+      GST_DEBUG_OBJECT (mux, "broken caps, width field missing");
+      return FALSE;
+    }
+
+    audiocontext->bitdepth = width;
+    context->codec_id = g_strdup (GST_MATROSKA_CODEC_ID_AUDIO_PCM_FLOAT);
+
+    return TRUE;
   } else if (!strcmp (mimetype, "audio/x-vorbis")) {
     const GValue *streamheader;
 
-- 
cgit