X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fdemux%2Fdts.c;h=d448e07a1c176533e8723b34708488fc81955d88;hb=4f31c7844b1cf53915e47dbe5b514852acb94ba5;hp=6473c8d2f11321d8456ced26aeee0c445fb961d3;hpb=fe087a38282e93addb25fa9598393e40ea233b09;p=vlc diff --git a/modules/demux/dts.c b/modules/demux/dts.c index 6473c8d2f1..d448e07a1c 100644 --- a/modules/demux/dts.c +++ b/modules/demux/dts.c @@ -1,7 +1,7 @@ /***************************************************************************** * dts.c : raw DTS stream input module for vlc ***************************************************************************** - * Copyright (C) 2001 the VideoLAN team + * Copyright (C) 2001-2007 the VideoLAN team * $Id$ * * Authors: Gildas Bazin @@ -18,14 +18,14 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #include -#include +#include #include /***************************************************************************** @@ -60,7 +60,7 @@ struct demux_sys_t int i_mux_rate; }; -static int CheckSync( uint8_t *p_peek ); +static int CheckSync( const uint8_t *p_peek ); #define DTS_PACKET_SIZE 16384 #define DTS_PROBE_SIZE (DTS_PACKET_SIZE * 4) @@ -73,18 +73,18 @@ static int Open( vlc_object_t * p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; - byte_t * p_peek; + const byte_t *p_peek; int i_peek = 0; /* Check if we are dealing with a WAV file */ if( stream_Peek( p_demux->s, &p_peek, 20 ) == 20 && - !strncmp( p_peek, "RIFF", 4 ) && !strncmp( &p_peek[8], "WAVE", 4 ) ) + !memcmp( p_peek, "RIFF", 4 ) && !memcmp( &p_peek[8], "WAVE", 4 ) ) { int i_size; /* Find the wave format header */ i_peek = 20; - while( strncmp( p_peek + i_peek - 8, "fmt ", 4 ) ) + while( memcmp( p_peek + i_peek - 8, "fmt ", 4 ) ) { i_size = GetDWLE( p_peek + i_peek - 4 ); if( i_size + i_peek > DTS_PROBE_SIZE ) return VLC_EGENERIC; @@ -110,7 +110,7 @@ static int Open( vlc_object_t * p_this ) return VLC_EGENERIC; /* Skip the wave header */ - while( strncmp( p_peek + i_peek - 8, "data", 4 ) ) + while( memcmp( p_peek + i_peek - 8, "data", 4 ) ) { i_size = GetDWLE( p_peek + i_peek - 4 ); if( i_size + i_peek > DTS_PROBE_SIZE ) return VLC_EGENERIC; @@ -136,51 +136,22 @@ static int Open( vlc_object_t * p_this ) } /* Have a peep at the show. */ - if( stream_Peek( p_demux->s, &p_peek, i_peek + DTS_MAX_HEADER_SIZE * 2 ) < - i_peek + DTS_MAX_HEADER_SIZE * 2 ) - { - /* Stream too short */ - msg_Warn( p_demux, "cannot peek()" ); - return VLC_EGENERIC; - } + CHECK_PEEK( p_peek, i_peek + DTS_MAX_HEADER_SIZE * 2 ); if( CheckSync( p_peek + i_peek ) != VLC_SUCCESS ) { - if( strncmp( p_demux->psz_demux, "dts", 3 ) ) - { + if( !p_demux->b_force ) return VLC_EGENERIC; - } + /* User forced */ msg_Err( p_demux, "this doesn't look like a DTS audio stream, " "continuing anyway" ); } - p_demux->pf_demux = Demux; - p_demux->pf_control = Control; - p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) ); - p_sys->b_start = VLC_TRUE; - p_sys->i_mux_rate = 0; - - /* - * Load the DTS packetizer - */ - p_sys->p_packetizer = vlc_object_create( p_demux, VLC_OBJECT_DECODER ); - p_sys->p_packetizer->pf_decode_audio = 0; - p_sys->p_packetizer->pf_decode_video = 0; - p_sys->p_packetizer->pf_decode_sub = 0; - p_sys->p_packetizer->pf_packetize = 0; - - /* Initialization of decoder structure */ - es_format_Init( &p_sys->p_packetizer->fmt_in, AUDIO_ES, - VLC_FOURCC( 'd', 't', 's', ' ' ) ); - - p_sys->p_packetizer->p_module = - module_Need( p_sys->p_packetizer, "packetizer", NULL, 0 ); - if( !p_sys->p_packetizer->p_module ) - { - msg_Err( p_demux, "cannot find DTS packetizer" ); - return VLC_EGENERIC; - } + DEMUX_INIT_COMMON(); p_sys = p_demux->p_sys; + + INIT_APACKETIZER( p_sys->p_packetizer, 'd','t','s',' ' ); + LOAD_PACKETIZER_OR_FAIL( p_sys->p_packetizer, "DTS" ); p_sys->p_es = es_out_Add( p_demux->out, &p_sys->p_packetizer->fmt_in ); @@ -195,11 +166,7 @@ static void Close( vlc_object_t *p_this ) demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys = p_demux->p_sys; - /* Unneed module */ - module_Unneed( p_sys->p_packetizer, p_sys->p_packetizer->p_module ); - - /* Delete the decoder */ - vlc_object_destroy( p_sys->p_packetizer ); + DESTROY_PACKETIZER( p_sys->p_packetizer ); free( p_sys ); } @@ -269,7 +236,7 @@ static int Control( demux_t *p_demux, int i_query, va_list args ) /***************************************************************************** * CheckSync: Check if buffer starts with a DTS sync code *****************************************************************************/ -static int CheckSync( uint8_t *p_peek ) +static int CheckSync( const uint8_t *p_peek ) { /* 14 bits, little endian version of the bitstream */ if( p_peek[0] == 0xff && p_peek[1] == 0x1f &&