From 3dc419b65d1b3ea357aa17a0042bc24e76b594b0 Mon Sep 17 00:00:00 2001
From: mosu <mosu@b3059339-0415-0410-9bf9-f77b7e298cf2>
Date: Sat, 17 May 2003 20:53:12 +0000
Subject: Added support for AAC.

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10126 b3059339-0415-0410-9bf9-f77b7e298cf2
---
 libmpdemux/demux_mkv.cpp | 16 ++++++++++++++--
 libmpdemux/matroska.h    |  5 ++++-
 2 files changed, 18 insertions(+), 3 deletions(-)

(limited to 'libmpdemux')

diff --git a/libmpdemux/demux_mkv.cpp b/libmpdemux/demux_mkv.cpp
index c82632d9ae..0b71ce9a12 100644
--- a/libmpdemux/demux_mkv.cpp
+++ b/libmpdemux/demux_mkv.cpp
@@ -138,7 +138,7 @@ typedef struct mkv_track {
   uint32_t v_width, v_height, v_dwidth, v_dheight;
   float v_frate;
 
-  uint16_t a_formattag;
+  uint32_t a_formattag;
   uint32_t a_channels, a_bps;
   float a_sfreq;
 
@@ -464,6 +464,10 @@ static int check_track_information(mkv_demuxer_t *d) {
             t->a_formattag = 0x2000;
           else if (!strcmp(t->codec_id, MKV_A_PCM))
             t->a_formattag = 0x0001;
+          else if (!strcmp(t->codec_id, MKV_A_AAC_2LC) ||
+                   !strcmp(t->codec_id, MKV_A_AAC_4LC) ||
+                   !strcmp(t->codec_id, MKV_A_AAC_4SBR))
+            t->a_formattag = mmioFOURCC('M', 'P', '4', 'A');
           else if (!strcmp(t->codec_id, MKV_A_VORBIS)) {
             if (t->private_data == NULL) {
               mp_msg(MSGT_DEMUX, MSGL_WARN, "[mkv] WARNING: CodecID for "
@@ -1514,7 +1518,8 @@ extern "C" int demux_mkv_open(demuxer_t *demuxer) {
         return 0;
       }
     }
-    sh_a->format = sh_a->wf->wFormatTag = track->a_formattag;
+    sh_a->format = track->a_formattag;
+    sh_a->wf->wFormatTag = track->a_formattag;
     sh_a->channels = sh_a->wf->nChannels = track->a_channels;
     sh_a->samplerate = sh_a->wf->nSamplesPerSec = (uint32_t)track->a_sfreq;
     if (!strcmp(track->codec_id, MKV_A_MP3)) {
@@ -1532,6 +1537,13 @@ extern "C" int demux_mkv_open(demuxer_t *demuxer) {
       sh_a->wf->nBlockAlign = sh_a->wf->nAvgBytesPerSec;
       sh_a->wf->wBitsPerSample = track->a_bps;
       sh_a->samplesize = track->a_bps / 8;
+    } else if (!strcmp(track->codec_id, MKV_A_AAC_2LC) ||
+               !strcmp(track->codec_id, MKV_A_AAC_4LC) ||
+               !strcmp(track->codec_id, MKV_A_AAC_4SBR)) {
+      sh_a->wf->nAvgBytesPerSec = 16000;
+      sh_a->wf->nBlockAlign = 1024;
+      sh_a->wf->wBitsPerSample = 0;
+      sh_a->samplesize = 0;
     } else if (!strcmp(track->codec_id, MKV_A_VORBIS)) {
       for (i = 0; i < 3; i++) {
         dp = new_demux_packet(track->header_sizes[i]);
diff --git a/libmpdemux/matroska.h b/libmpdemux/matroska.h
index 1f016aa132..2dea7c3f55 100644
--- a/libmpdemux/matroska.h
+++ b/libmpdemux/matroska.h
@@ -7,9 +7,12 @@
 #ifndef __MATROSKA_H
 #define __MATROSKA_H
 
-#define MKV_A_MP3        "A_MPEG/L3"
+#define MKV_A_AAC_2LC    "A_AAC/MPEG2/LC"
+#define MKV_A_AAC_4LC    "A_AAC/MPEG4/LC"
+#define MKV_A_AAC_4SBR   "A_AAC/MPEG4/SBR"
 #define MKV_A_AC3        "A_AC3"
 #define MKV_A_DTS        "A_DTS"
+#define MKV_A_MP3        "A_MPEG/L3"
 #define MKV_A_PCM        "A_PCM/INT/LIT"
 #define MKV_A_VORBIS     "A_VORBIS"
 #define MKV_A_ACM        "A_MS/ACM"
-- 
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