[vlc-commits] demux: mpeg: don't format check WAVE header for dts
Francois Cartegnie
git at videolan.org
Mon Feb 9 13:32:52 CET 2015
vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Mon Feb 9 13:30:58 2015 +0100| [2986853d696c1bdba29cf4b2ba703ee64e6472a2] | committer: Francois Cartegnie
demux: mpeg: don't format check WAVE header for dts
refs A-codecs/DTS/dts/dtswavsample16.wav
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=2986853d696c1bdba29cf4b2ba703ee64e6472a2
---
modules/demux/mpeg/es.c | 46 ++++++++++++++++++++++++++++++----------------
1 file changed, 30 insertions(+), 16 deletions(-)
diff --git a/modules/demux/mpeg/es.c b/modules/demux/mpeg/es.c
index b626016..e2b759d 100644
--- a/modules/demux/mpeg/es.c
+++ b/modules/demux/mpeg/es.c
@@ -509,11 +509,25 @@ static bool Parse( demux_t *p_demux, block_t **pp_output )
return b_eof;
}
+/* Check to apply to WAVE fmt header */
+static int GenericFormatCheck( int i_format, const uint8_t *p_head )
+{
+ if ( i_format == WAVE_FORMAT_PCM )
+ {
+ if( GetWLE( p_head /* nChannels */ ) != 2 )
+ return VLC_EGENERIC;
+ if( GetDWLE( p_head + 2 /* nSamplesPerSec */ ) != 44100 )
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
+}
+
/*****************************************************************************
* Wav header skipper
*****************************************************************************/
#define WAV_PROBE_SIZE (512*1024)
-static int WavSkipHeader( demux_t *p_demux, int *pi_skip, const int pi_format[] )
+static int WavSkipHeader( demux_t *p_demux, int *pi_skip, const int pi_format[],
+ int (*pf_format_check)( int, const uint8_t * ) )
{
const uint8_t *p_peek;
int i_peek = 0;
@@ -559,14 +573,9 @@ static int WavSkipHeader( demux_t *p_demux, int *pi_skip, const int pi_format[]
if( pi_format[i_format_idx] == WAVE_FORMAT_UNKNOWN )
return VLC_EGENERIC;
- if( i_format == WAVE_FORMAT_PCM )
- {
- if( GetWLE( p_peek + i_peek - i_len - 6 /* nChannels */ ) != 2 )
+ if( pf_format_check &&
+ pf_format_check( i_format, p_peek + i_peek - i_len - 6 ) != VLC_SUCCESS )
return VLC_EGENERIC;
- if( GetDWLE( p_peek + i_peek - i_len - 4 /* nSamplesPerSec */ ) !=
- 44100 )
- return VLC_EGENERIC;
- }
/* Skip the wave header */
while( memcmp( p_peek + i_peek - 8, "data", 4 ) )
@@ -586,7 +595,8 @@ static int WavSkipHeader( demux_t *p_demux, int *pi_skip, const int pi_format[]
static int GenericProbe( demux_t *p_demux, int64_t *pi_offset,
const char * ppsz_name[],
int (*pf_check)( const uint8_t *, int * ), int i_check_size,
- const int pi_wav_format[] )
+ const int pi_wav_format[],
+ int (*pf_format_check)( int, const uint8_t * ) )
{
bool b_forced_demux;
@@ -602,7 +612,7 @@ static int GenericProbe( demux_t *p_demux, int64_t *pi_offset,
i_offset = stream_Tell( p_demux->s );
- if( WavSkipHeader( p_demux, &i_skip, pi_wav_format ) )
+ if( WavSkipHeader( p_demux, &i_skip, pi_wav_format, pf_format_check ) )
{
if( !b_forced_demux )
return VLC_EGENERIC;
@@ -718,7 +728,7 @@ static int MpgaProbe( demux_t *p_demux, int64_t *pi_offset )
i_offset = stream_Tell( p_demux->s );
- if( WavSkipHeader( p_demux, &i_skip, pi_wav ) )
+ if( WavSkipHeader( p_demux, &i_skip, pi_wav, NULL ) )
{
if( !b_forced_demux )
return VLC_EGENERIC;
@@ -969,7 +979,8 @@ static int EA52Probe( demux_t *p_demux, int64_t *pi_offset )
const char *ppsz_name[] = { "eac3", NULL };
const int pi_wav[] = { WAVE_FORMAT_PCM, WAVE_FORMAT_A52, WAVE_FORMAT_UNKNOWN };
- return GenericProbe( p_demux, pi_offset, ppsz_name, EA52CheckSyncProbe, VLC_A52_HEADER_SIZE, pi_wav );
+ return GenericProbe( p_demux, pi_offset, ppsz_name, EA52CheckSyncProbe,
+ VLC_A52_HEADER_SIZE, pi_wav, GenericFormatCheck );
}
static int A52CheckSyncProbe( const uint8_t *p_peek, int *pi_samples )
@@ -983,7 +994,8 @@ static int A52Probe( demux_t *p_demux, int64_t *pi_offset )
const char *ppsz_name[] = { "a52", "ac3", NULL };
const int pi_wav[] = { WAVE_FORMAT_PCM, WAVE_FORMAT_A52, WAVE_FORMAT_UNKNOWN };
- return GenericProbe( p_demux, pi_offset, ppsz_name, A52CheckSyncProbe, VLC_A52_HEADER_SIZE, pi_wav );
+ return GenericProbe( p_demux, pi_offset, ppsz_name, A52CheckSyncProbe,
+ VLC_A52_HEADER_SIZE, pi_wav, GenericFormatCheck );
}
static int A52Init( demux_t *p_demux )
@@ -1031,7 +1043,7 @@ static int DtsProbe( demux_t *p_demux, int64_t *pi_offset )
const char *ppsz_name[] = { "dts", NULL };
const int pi_wav[] = { WAVE_FORMAT_PCM, WAVE_FORMAT_DTS, WAVE_FORMAT_UNKNOWN };
- return GenericProbe( p_demux, pi_offset, ppsz_name, DtsCheckSync, 11, pi_wav );
+ return GenericProbe( p_demux, pi_offset, ppsz_name, DtsCheckSync, 11, pi_wav, NULL );
}
static int DtsInit( demux_t *p_demux )
{
@@ -1074,14 +1086,16 @@ static int MlpProbe( demux_t *p_demux, int64_t *pi_offset )
const char *ppsz_name[] = { "mlp", NULL };
const int pi_wav[] = { WAVE_FORMAT_PCM, WAVE_FORMAT_UNKNOWN };
- return GenericProbe( p_demux, pi_offset, ppsz_name, MlpCheckSync, 4+28+16*4, pi_wav );
+ return GenericProbe( p_demux, pi_offset, ppsz_name, MlpCheckSync,
+ 4+28+16*4, pi_wav, GenericFormatCheck );
}
static int ThdProbe( demux_t *p_demux, int64_t *pi_offset )
{
const char *ppsz_name[] = { "thd", NULL };
const int pi_wav[] = { WAVE_FORMAT_PCM, WAVE_FORMAT_UNKNOWN };
- return GenericProbe( p_demux, pi_offset, ppsz_name, ThdCheckSync, 4+28+16*4, pi_wav );
+ return GenericProbe( p_demux, pi_offset, ppsz_name, ThdCheckSync,
+ 4+28+16*4, pi_wav, GenericFormatCheck );
}
static int MlpInit( demux_t *p_demux )
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