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some support for aLaw and muLaw audio decompression

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6542 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
beveloper 2004-02-09 02:44:57 +00:00
parent 3914c20b70
commit 94261db3a6
3 changed files with 24 additions and 3 deletions
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15
src/add-ons/media/plugins/avcodec/avcodec.cpp
View File

@ -119,7 +119,7 @@ avCodec::Setup(media_format *input_format, const void *in_info, int32 in_size)
media_format_description descr;
for (int32 i = 0; gCodecTable[i].id; i++) {
ffcodec_index_in_table = i;
uint32 cid;
uint64 cid;
if(BMediaFormats().GetCodeFor(*input_format,gCodecTable[i].family,&descr) == B_OK
&& gCodecTable[i].type == input_format->type)
@ -132,6 +132,9 @@ avCodec::Setup(media_format *input_format, const void *in_info, int32 in_size)
case B_WAV_FORMAT_FAMILY:
cid = descr.u.wav.codec;
break;
case B_AIFF_FORMAT_FAMILY:
cid = descr.u.aiff.codec;
break;
case B_AVI_FORMAT_FAMILY:
cid = descr.u.avi.codec;
break;
@ -141,6 +144,9 @@ avCodec::Setup(media_format *input_format, const void *in_info, int32 in_size)
case B_QUICKTIME_FORMAT_FAMILY:
cid = descr.u.quicktime.codec;
break;
case B_MISC_FORMAT_FAMILY:
cid = (((uint64)descr.u.misc.file_format) << 32) | descr.u.misc.codec;
break;
default:
puts("ERR family");
return B_ERROR;
@ -484,6 +490,9 @@ avCodecPlugin::GetSupportedFormats(media_format ** formats, size_t * count)
case B_WAV_FORMAT_FAMILY:
description.u.wav.codec = gCodecTable[i].fourcc;
break;
case B_AIFF_FORMAT_FAMILY:
description.u.aiff.codec = gCodecTable[i].fourcc;
break;
case B_AVI_FORMAT_FAMILY:
description.u.avi.codec = gCodecTable[i].fourcc;
break;
@ -493,6 +502,10 @@ avCodecPlugin::GetSupportedFormats(media_format ** formats, size_t * count)
case B_QUICKTIME_FORMAT_FAMILY:
description.u.quicktime.codec = gCodecTable[i].fourcc;
break;
case B_MISC_FORMAT_FAMILY:
description.u.misc.file_format = (uint32) (gCodecTable[i].fourcc >> 32);
description.u.misc.codec = (uint32) gCodecTable[i].fourcc;
break;
default:
break;
}

2
src/add-ons/media/plugins/avcodec/avcodec.h
View File

@ -22,7 +22,7 @@
#include "video_util.h"
struct codec_table { CodecID id; media_type type; media_format_family family; uint32 fourcc; const char *prettyname;};
struct codec_table { CodecID id; media_type type; media_format_family family; uint64 fourcc; const char *prettyname;};
extern const struct codec_table gCodecTable[];
extern const int num_codecs;

10
src/add-ons/media/plugins/avcodec/codectbl.cpp
View File

@ -28,10 +28,18 @@
const struct codec_table gCodecTable[] = {
{CODEC_ID_PCM_ALAW, B_MEDIA_ENCODED_AUDIO, B_WAV_FORMAT_FAMILY, 0x06, "aLaw"},
{CODEC_ID_PCM_ALAW, B_MEDIA_ENCODED_AUDIO, B_AIFF_FORMAT_FAMILY, 'alaw' , "aLaw"},
{CODEC_ID_PCM_ALAW, B_MEDIA_ENCODED_AUDIO, B_AIFF_FORMAT_FAMILY, 'ALAW' , "aLaw"},
{CODEC_ID_PCM_ALAW, B_MEDIA_ENCODED_AUDIO, B_MISC_FORMAT_FAMILY, (uint64('au') << 32) | 27, "aLaw"},
/*
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_QUICKTIME_FORMAT_FAMILY, 'ulaw', "µLaw"},
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_WAV_FORMAT_FAMILY, 0x07, "µLaw"},
*/
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_WAV_FORMAT_FAMILY, 0x07, "µLaw"},
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_AIFF_FORMAT_FAMILY, 'ulaw', "µLaw"},
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_AIFF_FORMAT_FAMILY, 'ULAW', "µLaw"},
{CODEC_ID_PCM_MULAW, B_MEDIA_ENCODED_AUDIO, B_MISC_FORMAT_FAMILY, (uint64('au') << 32) | 1, "µLaw"},
#ifdef HAS_MACE_AUDIO
{CODEC_ID_MACE3, B_MEDIA_ENCODED_AUDIO, B_QUICKTIME_FORMAT_FAMILY, 'MAC3', "MACE 3:1"},
{CODEC_ID_MACE6, B_MEDIA_ENCODED_AUDIO, B_QUICKTIME_FORMAT_FAMILY, 'MAC6', "MACE 6:1"},