[vlc-devel] [PATCH 09/17] dts_helper: move to packetizer
Thomas Guillem
thomas at gllm.fr
Wed Jul 27 17:27:25 CEST 2016
---
modules/codec/Makefile.am | 2 +-
modules/codec/dts.c | 2 +-
modules/codec/dts_header.c | 243 ----------------------------------------
modules/codec/dts_header.h | 35 ------
modules/demux/Makefile.am | 4 +-
modules/demux/mkv/mkv.cpp | 2 +-
modules/demux/mpeg/es.c | 2 +-
modules/packetizer/dts_header.c | 243 ++++++++++++++++++++++++++++++++++++++++
modules/packetizer/dts_header.h | 35 ++++++
9 files changed, 284 insertions(+), 284 deletions(-)
delete mode 100644 modules/codec/dts_header.c
delete mode 100644 modules/codec/dts_header.h
create mode 100644 modules/packetizer/dts_header.c
create mode 100644 modules/packetizer/dts_header.h
diff --git a/modules/codec/Makefile.am b/modules/codec/Makefile.am
index ef0aa74..99bb90a 100644
--- a/modules/codec/Makefile.am
+++ b/modules/codec/Makefile.am
@@ -26,7 +26,7 @@ libaraw_plugin_la_SOURCES = codec/araw.c
libaraw_plugin_la_LIBADD = $(LIBM)
codec_LTLIBRARIES += libaraw_plugin.la
-libdts_plugin_la_SOURCES = codec/dts.c codec/dts_header.c codec/dts_header.h
+libdts_plugin_la_SOURCES = codec/dts.c packetizer/dts_header.c packetizer/dts_header.h
codec_LTLIBRARIES += libdts_plugin.la
libfaad_plugin_la_SOURCES = codec/faad.c
diff --git a/modules/codec/dts.c b/modules/codec/dts.c
index ff0849d..875109c 100644
--- a/modules/codec/dts.c
+++ b/modules/codec/dts.c
@@ -41,7 +41,7 @@
#include <vlc_cpu.h>
#include "../packetizer/packetizer_helper.h"
-#include "dts_header.h"
+#include "../packetizer/dts_header.h"
/*****************************************************************************
* Module descriptor
diff --git a/modules/codec/dts_header.c b/modules/codec/dts_header.c
deleted file mode 100644
index a6fed9a..0000000
--- a/modules/codec/dts_header.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*****************************************************************************
- * dts_header.c: parse DTS audio headers info
- *****************************************************************************
- * Copyright (C) 2004-2009 VLC authors and VideoLAN
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin at netcourrier.com>
- * Laurent Aimar
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-#include <vlc_bits.h>
-
-#include "dts_header.h"
-
-#include <assert.h>
-
-
-static int SyncInfo16be( const uint8_t *p_buf,
- unsigned int *pi_audio_mode,
- unsigned int *pi_sample_rate,
- unsigned int *pi_bit_rate,
- unsigned int *pi_frame_length )
-{
- unsigned int frame_size;
- unsigned int i_lfe;
-
- *pi_frame_length = (p_buf[4] & 0x01) << 6 | (p_buf[5] >> 2);
- frame_size = (p_buf[5] & 0x03) << 12 | (p_buf[6] << 4) | (p_buf[7] >> 4);
-
- *pi_audio_mode = (p_buf[7] & 0x0f) << 2 | (p_buf[8] >> 6);
- *pi_sample_rate = (p_buf[8] >> 2) & 0x0f;
- *pi_bit_rate = (p_buf[8] & 0x03) << 3 | ((p_buf[9] >> 5) & 0x07);
-
- i_lfe = (p_buf[10] >> 1) & 0x03;
- if( i_lfe ) *pi_audio_mode |= 0x10000;
-
- return frame_size + 1;
-}
-
-static void BufLeToBe( uint8_t *p_out, const uint8_t *p_in, int i_in )
-{
- int i;
-
- for( i = 0; i < i_in/2; i++ )
- {
- p_out[i*2] = p_in[i*2+1];
- p_out[i*2+1] = p_in[i*2];
- }
-}
-
-static int Buf14To16( uint8_t *p_out, const uint8_t *p_in, int i_in, int i_le )
-{
- unsigned char tmp, cur = 0;
- int bits_in, bits_out = 0;
- int i, i_out = 0;
-
- for( i = 0; i < i_in; i++ )
- {
- if( i%2 )
- {
- tmp = p_in[i-i_le];
- bits_in = 8;
- }
- else
- {
- tmp = p_in[i+i_le] & 0x3F;
- bits_in = 8 - 2;
- }
-
- if( bits_out < 8 )
- {
- int need = __MIN( 8 - bits_out, bits_in );
- cur <<= need;
- cur |= ( tmp >> (bits_in - need) );
- tmp <<= (8 - bits_in + need);
- tmp >>= (8 - bits_in + need);
- bits_in -= need;
- bits_out += need;
- }
-
- if( bits_out == 8 )
- {
- p_out[i_out] = cur;
- cur = 0;
- bits_out = 0;
- i_out++;
- }
-
- bits_out += bits_in;
- cur <<= bits_in;
- cur |= tmp;
- }
-
- return i_out;
-}
-
-int SyncCode( const uint8_t *p_buf )
-{
- /* 14 bits, little endian version of the bitstream */
- if( p_buf[0] == 0xff && p_buf[1] == 0x1f &&
- p_buf[2] == 0x00 && p_buf[3] == 0xe8 &&
- (p_buf[4] & 0xf0) == 0xf0 && p_buf[5] == 0x07 )
- {
- return VLC_SUCCESS;
- }
- /* 14 bits, big endian version of the bitstream */
- else if( p_buf[0] == 0x1f && p_buf[1] == 0xff &&
- p_buf[2] == 0xe8 && p_buf[3] == 0x00 &&
- p_buf[4] == 0x07 && (p_buf[5] & 0xf0) == 0xf0 )
- {
- return VLC_SUCCESS;
- }
- /* 16 bits, big endian version of the bitstream */
- else if( p_buf[0] == 0x7f && p_buf[1] == 0xfe &&
- p_buf[2] == 0x80 && p_buf[3] == 0x01 )
- {
- return VLC_SUCCESS;
- }
- /* 16 bits, little endian version of the bitstream */
- else if( p_buf[0] == 0xfe && p_buf[1] == 0x7f &&
- p_buf[2] == 0x01 && p_buf[3] == 0x80 )
- {
- return VLC_SUCCESS;
- }
- /* DTS-HD */
- else if( p_buf[0] == 0x64 && p_buf[1] == 0x58 &&
- p_buf[2] == 0x20 && p_buf[3] == 0x25 )
- {
- return VLC_SUCCESS;
- }
-
- return VLC_EGENERIC;
-}
-
-int GetSyncInfo( const uint8_t *p_buf,
- bool *pb_dts_hd,
- unsigned int *pi_sample_rate,
- unsigned int *pi_bit_rate,
- unsigned int *pi_frame_length,
- unsigned int *pi_audio_mode )
-{
- unsigned int i_frame_size;
-
- /* 14 bits, little endian version of the bitstream */
- if( p_buf[0] == 0xff && p_buf[1] == 0x1f &&
- p_buf[2] == 0x00 && p_buf[3] == 0xe8 &&
- (p_buf[4] & 0xf0) == 0xf0 && p_buf[5] == 0x07 )
- {
- uint8_t conv_buf[DTS_HEADER_SIZE];
- Buf14To16( conv_buf, p_buf, DTS_HEADER_SIZE, 1 );
- i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
- pi_bit_rate, pi_frame_length );
- i_frame_size = i_frame_size * 8 / 14 * 2;
- }
- /* 14 bits, big endian version of the bitstream */
- else if( p_buf[0] == 0x1f && p_buf[1] == 0xff &&
- p_buf[2] == 0xe8 && p_buf[3] == 0x00 &&
- p_buf[4] == 0x07 && (p_buf[5] & 0xf0) == 0xf0 )
- {
- uint8_t conv_buf[DTS_HEADER_SIZE];
- Buf14To16( conv_buf, p_buf, DTS_HEADER_SIZE, 0 );
- i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
- pi_bit_rate, pi_frame_length );
- i_frame_size = i_frame_size * 8 / 14 * 2;
- }
- /* 16 bits, big endian version of the bitstream */
- else if( p_buf[0] == 0x7f && p_buf[1] == 0xfe &&
- p_buf[2] == 0x80 && p_buf[3] == 0x01 )
- {
- i_frame_size = SyncInfo16be( p_buf, pi_audio_mode, pi_sample_rate,
- pi_bit_rate, pi_frame_length );
- }
- /* 16 bits, little endian version of the bitstream */
- else if( p_buf[0] == 0xfe && p_buf[1] == 0x7f &&
- p_buf[2] == 0x01 && p_buf[3] == 0x80 )
- {
- uint8_t conv_buf[DTS_HEADER_SIZE];
- BufLeToBe( conv_buf, p_buf, DTS_HEADER_SIZE );
- i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
- pi_bit_rate, pi_frame_length );
- }
- /* DTS-HD */
- else if( p_buf[0] == 0x64 && p_buf[1] == 0x58 &&
- p_buf[2] == 0x20 && p_buf[3] == 0x25 )
- {
- int i_dts_hd_size;
- bs_t s;
- bs_init( &s, &p_buf[4], DTS_HEADER_SIZE - 4 );
-
- bs_skip( &s, 8 + 2 );
-
- if( bs_read1( &s ) )
- {
- bs_skip( &s, 12 );
- i_dts_hd_size = bs_read( &s, 20 ) + 1;
- }
- else
- {
- bs_skip( &s, 8 );
- i_dts_hd_size = bs_read( &s, 16 ) + 1;
- }
- //uint16_t s0 = bs_read( &s, 16 );
- //uint16_t s1 = bs_read( &s, 16 );
- //fprintf( stderr, "DTS HD=%d : %x %x\n", i_dts_hd_size, s0, s1 );
-
- *pb_dts_hd = true;
- /* As we ignore the stream, do not modify those variables:
- *pi_channels = ;
- *pi_channels_conf = ;
- *pi_sample_rate = ;
- *pi_bit_rate = ;
- *pi_frame_length = ;
- */
- return i_dts_hd_size;
- }
- else
- {
- return VLC_EGENERIC;
- }
-
- *pb_dts_hd = false;
- return i_frame_size;
-}
-
diff --git a/modules/codec/dts_header.h b/modules/codec/dts_header.h
deleted file mode 100644
index 1429f81..0000000
--- a/modules/codec/dts_header.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*****************************************************************************
- * dts_header.c: parse DTS audio headers info
- *****************************************************************************
- * Copyright (C) 2004-2009 VLC authors and VideoLAN
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin at netcourrier.com>
- * Laurent Aimar
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-#define DTS_HEADER_SIZE 14
-
-int GetSyncInfo( const uint8_t *p_buf,
- bool *pb_dts_hd,
- unsigned int *pi_sample_rate,
- unsigned int *pi_bit_rate,
- unsigned int *pi_frame_length,
- unsigned int *pi_audio_mode );
-
-int SyncCode( const uint8_t * );
-
diff --git a/modules/demux/Makefile.am b/modules/demux/Makefile.am
index 71fd206..eb24417 100644
--- a/modules/demux/Makefile.am
+++ b/modules/demux/Makefile.am
@@ -160,7 +160,7 @@ demux_LTLIBRARIES += libavformat_plugin.la
endif
endif
-libes_plugin_la_SOURCES = demux/mpeg/es.c codec/dts_header.c codec/dts_header.h
+libes_plugin_la_SOURCES = demux/mpeg/es.c packetizer/dts_header.c packetizer/dts_header.h
demux_LTLIBRARIES += libes_plugin.la
libh26x_plugin_la_SOURCES = demux/mpeg/h26x.c \
@@ -184,7 +184,7 @@ libmkv_plugin_la_SOURCES = \
demux/mp4/libmp4.c demux/vobsub.h \
demux/mkv/mkv.hpp demux/mkv/mkv.cpp \
demux/windows_audio_commons.h
-libmkv_plugin_la_SOURCES += codec/dts_header.h codec/dts_header.c
+libmkv_plugin_la_SOURCES += packetizer/dts_header.h packetizer/dts_header.c
libmkv_plugin_la_CPPFLAGS = $(AM_CPPFLAGS)
libmkv_plugin_la_LDFLAGS = $(AM_LDFLAGS) -rpath '$(demuxdir)'
libmkv_plugin_la_LIBADD = $(LIBS_mkv)
diff --git a/modules/demux/mkv/mkv.cpp b/modules/demux/mkv/mkv.cpp
index 3e39908..ff5b9da 100644
--- a/modules/demux/mkv/mkv.cpp
+++ b/modules/demux/mkv/mkv.cpp
@@ -36,7 +36,7 @@
#include <new>
extern "C" {
-#include "../../modules/codec/dts_header.h"
+#include "../../packetizer/dts_header.h"
}
#include <vlc_fs.h>
diff --git a/modules/demux/mpeg/es.c b/modules/demux/mpeg/es.c
index 69785be..12af7ef 100644
--- a/modules/demux/mpeg/es.c
+++ b/modules/demux/mpeg/es.c
@@ -38,7 +38,7 @@
#include <vlc_input.h>
#include "../../packetizer/a52.h"
-#include "../../codec/dts_header.h"
+#include "../../packetizer/dts_header.h"
/*****************************************************************************
* Module descriptor
diff --git a/modules/packetizer/dts_header.c b/modules/packetizer/dts_header.c
new file mode 100644
index 0000000..a6fed9a
--- /dev/null
+++ b/modules/packetizer/dts_header.c
@@ -0,0 +1,243 @@
+/*****************************************************************************
+ * dts_header.c: parse DTS audio headers info
+ *****************************************************************************
+ * Copyright (C) 2004-2009 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin at netcourrier.com>
+ * Laurent Aimar
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_bits.h>
+
+#include "dts_header.h"
+
+#include <assert.h>
+
+
+static int SyncInfo16be( const uint8_t *p_buf,
+ unsigned int *pi_audio_mode,
+ unsigned int *pi_sample_rate,
+ unsigned int *pi_bit_rate,
+ unsigned int *pi_frame_length )
+{
+ unsigned int frame_size;
+ unsigned int i_lfe;
+
+ *pi_frame_length = (p_buf[4] & 0x01) << 6 | (p_buf[5] >> 2);
+ frame_size = (p_buf[5] & 0x03) << 12 | (p_buf[6] << 4) | (p_buf[7] >> 4);
+
+ *pi_audio_mode = (p_buf[7] & 0x0f) << 2 | (p_buf[8] >> 6);
+ *pi_sample_rate = (p_buf[8] >> 2) & 0x0f;
+ *pi_bit_rate = (p_buf[8] & 0x03) << 3 | ((p_buf[9] >> 5) & 0x07);
+
+ i_lfe = (p_buf[10] >> 1) & 0x03;
+ if( i_lfe ) *pi_audio_mode |= 0x10000;
+
+ return frame_size + 1;
+}
+
+static void BufLeToBe( uint8_t *p_out, const uint8_t *p_in, int i_in )
+{
+ int i;
+
+ for( i = 0; i < i_in/2; i++ )
+ {
+ p_out[i*2] = p_in[i*2+1];
+ p_out[i*2+1] = p_in[i*2];
+ }
+}
+
+static int Buf14To16( uint8_t *p_out, const uint8_t *p_in, int i_in, int i_le )
+{
+ unsigned char tmp, cur = 0;
+ int bits_in, bits_out = 0;
+ int i, i_out = 0;
+
+ for( i = 0; i < i_in; i++ )
+ {
+ if( i%2 )
+ {
+ tmp = p_in[i-i_le];
+ bits_in = 8;
+ }
+ else
+ {
+ tmp = p_in[i+i_le] & 0x3F;
+ bits_in = 8 - 2;
+ }
+
+ if( bits_out < 8 )
+ {
+ int need = __MIN( 8 - bits_out, bits_in );
+ cur <<= need;
+ cur |= ( tmp >> (bits_in - need) );
+ tmp <<= (8 - bits_in + need);
+ tmp >>= (8 - bits_in + need);
+ bits_in -= need;
+ bits_out += need;
+ }
+
+ if( bits_out == 8 )
+ {
+ p_out[i_out] = cur;
+ cur = 0;
+ bits_out = 0;
+ i_out++;
+ }
+
+ bits_out += bits_in;
+ cur <<= bits_in;
+ cur |= tmp;
+ }
+
+ return i_out;
+}
+
+int SyncCode( const uint8_t *p_buf )
+{
+ /* 14 bits, little endian version of the bitstream */
+ if( p_buf[0] == 0xff && p_buf[1] == 0x1f &&
+ p_buf[2] == 0x00 && p_buf[3] == 0xe8 &&
+ (p_buf[4] & 0xf0) == 0xf0 && p_buf[5] == 0x07 )
+ {
+ return VLC_SUCCESS;
+ }
+ /* 14 bits, big endian version of the bitstream */
+ else if( p_buf[0] == 0x1f && p_buf[1] == 0xff &&
+ p_buf[2] == 0xe8 && p_buf[3] == 0x00 &&
+ p_buf[4] == 0x07 && (p_buf[5] & 0xf0) == 0xf0 )
+ {
+ return VLC_SUCCESS;
+ }
+ /* 16 bits, big endian version of the bitstream */
+ else if( p_buf[0] == 0x7f && p_buf[1] == 0xfe &&
+ p_buf[2] == 0x80 && p_buf[3] == 0x01 )
+ {
+ return VLC_SUCCESS;
+ }
+ /* 16 bits, little endian version of the bitstream */
+ else if( p_buf[0] == 0xfe && p_buf[1] == 0x7f &&
+ p_buf[2] == 0x01 && p_buf[3] == 0x80 )
+ {
+ return VLC_SUCCESS;
+ }
+ /* DTS-HD */
+ else if( p_buf[0] == 0x64 && p_buf[1] == 0x58 &&
+ p_buf[2] == 0x20 && p_buf[3] == 0x25 )
+ {
+ return VLC_SUCCESS;
+ }
+
+ return VLC_EGENERIC;
+}
+
+int GetSyncInfo( const uint8_t *p_buf,
+ bool *pb_dts_hd,
+ unsigned int *pi_sample_rate,
+ unsigned int *pi_bit_rate,
+ unsigned int *pi_frame_length,
+ unsigned int *pi_audio_mode )
+{
+ unsigned int i_frame_size;
+
+ /* 14 bits, little endian version of the bitstream */
+ if( p_buf[0] == 0xff && p_buf[1] == 0x1f &&
+ p_buf[2] == 0x00 && p_buf[3] == 0xe8 &&
+ (p_buf[4] & 0xf0) == 0xf0 && p_buf[5] == 0x07 )
+ {
+ uint8_t conv_buf[DTS_HEADER_SIZE];
+ Buf14To16( conv_buf, p_buf, DTS_HEADER_SIZE, 1 );
+ i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
+ pi_bit_rate, pi_frame_length );
+ i_frame_size = i_frame_size * 8 / 14 * 2;
+ }
+ /* 14 bits, big endian version of the bitstream */
+ else if( p_buf[0] == 0x1f && p_buf[1] == 0xff &&
+ p_buf[2] == 0xe8 && p_buf[3] == 0x00 &&
+ p_buf[4] == 0x07 && (p_buf[5] & 0xf0) == 0xf0 )
+ {
+ uint8_t conv_buf[DTS_HEADER_SIZE];
+ Buf14To16( conv_buf, p_buf, DTS_HEADER_SIZE, 0 );
+ i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
+ pi_bit_rate, pi_frame_length );
+ i_frame_size = i_frame_size * 8 / 14 * 2;
+ }
+ /* 16 bits, big endian version of the bitstream */
+ else if( p_buf[0] == 0x7f && p_buf[1] == 0xfe &&
+ p_buf[2] == 0x80 && p_buf[3] == 0x01 )
+ {
+ i_frame_size = SyncInfo16be( p_buf, pi_audio_mode, pi_sample_rate,
+ pi_bit_rate, pi_frame_length );
+ }
+ /* 16 bits, little endian version of the bitstream */
+ else if( p_buf[0] == 0xfe && p_buf[1] == 0x7f &&
+ p_buf[2] == 0x01 && p_buf[3] == 0x80 )
+ {
+ uint8_t conv_buf[DTS_HEADER_SIZE];
+ BufLeToBe( conv_buf, p_buf, DTS_HEADER_SIZE );
+ i_frame_size = SyncInfo16be( conv_buf, pi_audio_mode, pi_sample_rate,
+ pi_bit_rate, pi_frame_length );
+ }
+ /* DTS-HD */
+ else if( p_buf[0] == 0x64 && p_buf[1] == 0x58 &&
+ p_buf[2] == 0x20 && p_buf[3] == 0x25 )
+ {
+ int i_dts_hd_size;
+ bs_t s;
+ bs_init( &s, &p_buf[4], DTS_HEADER_SIZE - 4 );
+
+ bs_skip( &s, 8 + 2 );
+
+ if( bs_read1( &s ) )
+ {
+ bs_skip( &s, 12 );
+ i_dts_hd_size = bs_read( &s, 20 ) + 1;
+ }
+ else
+ {
+ bs_skip( &s, 8 );
+ i_dts_hd_size = bs_read( &s, 16 ) + 1;
+ }
+ //uint16_t s0 = bs_read( &s, 16 );
+ //uint16_t s1 = bs_read( &s, 16 );
+ //fprintf( stderr, "DTS HD=%d : %x %x\n", i_dts_hd_size, s0, s1 );
+
+ *pb_dts_hd = true;
+ /* As we ignore the stream, do not modify those variables:
+ *pi_channels = ;
+ *pi_channels_conf = ;
+ *pi_sample_rate = ;
+ *pi_bit_rate = ;
+ *pi_frame_length = ;
+ */
+ return i_dts_hd_size;
+ }
+ else
+ {
+ return VLC_EGENERIC;
+ }
+
+ *pb_dts_hd = false;
+ return i_frame_size;
+}
+
diff --git a/modules/packetizer/dts_header.h b/modules/packetizer/dts_header.h
new file mode 100644
index 0000000..1429f81
--- /dev/null
+++ b/modules/packetizer/dts_header.h
@@ -0,0 +1,35 @@
+/*****************************************************************************
+ * dts_header.c: parse DTS audio headers info
+ *****************************************************************************
+ * Copyright (C) 2004-2009 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin at netcourrier.com>
+ * Laurent Aimar
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#define DTS_HEADER_SIZE 14
+
+int GetSyncInfo( const uint8_t *p_buf,
+ bool *pb_dts_hd,
+ unsigned int *pi_sample_rate,
+ unsigned int *pi_bit_rate,
+ unsigned int *pi_frame_length,
+ unsigned int *pi_audio_mode );
+
+int SyncCode( const uint8_t * );
+
--
2.8.1
More information about the vlc-devel
mailing list