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Synced libmpcdec to musepack.net SVN.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8488 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-01-30 01:00:40 +00:00
parent 58231d50f2
commit 2b483958f9
16 changed files with 353 additions and 1025 deletions
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28
apps/codecs/libmusepack/streaminfo.c
View file

@ -35,7 +35,6 @@
/// \file streaminfo.c
/// Implementation of streaminfo reading functions.
#include <string.h>
#include "musepack.h"
#include "internal.h"
@ -59,16 +58,6 @@ mpc_streaminfo_init(mpc_streaminfo * si)
memset(si, 0, sizeof(mpc_streaminfo));
}
// read information from SV8 header
// not yet implemented
static mpc_int32_t
streaminfo_read_header_sv8(mpc_streaminfo * si, mpc_reader * fp)
{
(void)si;
(void)fp;
return 0;
}
/// Reads streaminfo from SV7 header.
static mpc_int32_t
streaminfo_read_header_sv7(mpc_streaminfo * si, mpc_uint32_t HeaderData[8])
@ -143,6 +132,7 @@ streaminfo_read_header_sv7(mpc_streaminfo * si, mpc_uint32_t HeaderData[8])
}
// read information from SV4-SV6 header
#ifdef MPC_SUPPORT_SV456
static mpc_int32_t
streaminfo_read_header_sv6(mpc_streaminfo * si, mpc_uint32_t HeaderData[8])
{
@ -199,7 +189,7 @@ streaminfo_read_header_sv6(mpc_streaminfo * si, mpc_uint32_t HeaderData[8])
return ERROR_CODE_OK;
}
#endif
// reads file header and tags
mpc_int32_t
mpc_streaminfo_read(mpc_streaminfo * si, mpc_reader * r)
@ -228,23 +218,27 @@ mpc_streaminfo_read(mpc_streaminfo * si, mpc_reader * r)
#ifndef MPC_LITTLE_ENDIAN
mpc_uint32_t ptr;
for (ptr = 0; ptr < 8; ptr++) {
HeaderData[ptr] = swap32(HeaderData[ptr]);
HeaderData[ptr] = mpc_swap32(HeaderData[ptr]);
}
#endif
si->stream_version = HeaderData[0] >> 24;
// stream version 8
if ((si->stream_version & 15) >= 8) {
Error = streaminfo_read_header_sv8(si, r);
return ERROR_CODE_INVALIDSV;
}
// stream version 7
else if ((si->stream_version & 15) == 7) {
Error = streaminfo_read_header_sv7(si, HeaderData);
if (Error != ERROR_CODE_OK) return Error;
}
}
else {
} else {
#ifdef MPC_SUPPORT_SV456
// stream version 4-6
Error = streaminfo_read_header_sv6(si, HeaderData);
#else
return ERROR_CODE_INVALIDSV;
#endif
}
// estimation, exact value needs too much time
@ -259,7 +253,7 @@ mpc_streaminfo_read(mpc_streaminfo * si, mpc_reader * r)
si->average_bitrate = 0;
}
return Error;
return ERROR_CODE_OK;
}
double