X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fcodec%2Fdts.c;h=d12c89ae43cb949fa29fc3f06eeade61171c5ba7;hb=4f07a18bd45f2bc6929b9365fe2005caab72c1d9;hp=78dd52acc3cb4114833f73667f8df960bd1abc74;hpb=8d6e134e07b991b976b1ffb036e18fb5fe22f0c4;p=vlc diff --git a/modules/codec/dts.c b/modules/codec/dts.c index 78dd52acc3..d12c89ae43 100644 --- a/modules/codec/dts.c +++ b/modules/codec/dts.c @@ -37,6 +37,7 @@ #include #include #include +#include /***************************************************************************** * Module descriptor @@ -109,7 +110,7 @@ static inline int SyncCode( const uint8_t * ); static int SyncInfo( const uint8_t *, bool *, unsigned int *, unsigned int *, unsigned int *, unsigned int *, unsigned int * ); -static uint8_t *GetOutBuffer ( decoder_t *, void ** ); +static uint8_t *GetOutBuffer ( decoder_t *, block_t ** ); static aout_buffer_t *GetAoutBuffer( decoder_t * ); static block_t *GetSoutBuffer( decoder_t * ); @@ -153,6 +154,7 @@ static int OpenCommon( vlc_object_t *p_this, bool b_packetizer ) p_sys->i_state = STATE_NOSYNC; date_Set( &p_sys->end_date, 0 ); p_sys->b_dts_hd = false; + p_sys->i_pts = VLC_TS_INVALID; p_sys->bytestream = block_BytestreamInit(); @@ -178,7 +180,7 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) decoder_sys_t *p_sys = p_dec->p_sys; uint8_t p_header[DTS_HEADER_SIZE]; uint8_t *p_buf; - void *p_out_buffer; + block_t *p_out_buffer; if( !pp_block || !*pp_block ) return NULL; @@ -195,7 +197,7 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) return NULL; } - if( !date_Get( &p_sys->end_date ) && !(*pp_block)->i_pts ) + if( !date_Get( &p_sys->end_date ) && (*pp_block)->i_pts <= VLC_TS_INVALID ) { /* We've just started the stream, wait for the first PTS. */ block_Release( *pp_block ); @@ -231,7 +233,7 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) case STATE_SYNC: /* New frame, set the Presentation Time Stamp */ p_sys->i_pts = p_sys->bytestream.p_block->i_pts; - if( p_sys->i_pts != 0 && + if( p_sys->i_pts > VLC_TS_INVALID && p_sys->i_pts != date_Get( &p_sys->end_date ) ) { date_Set( &p_sys->end_date, p_sys->i_pts ); @@ -277,6 +279,14 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) return NULL; } + if( p_sys->b_packetizer && + p_header[0] == 0 && p_header[1] == 0 ) + { + /* DTS wav files and audio CD's use stuffing */ + p_sys->i_state = STATE_SEND_DATA; + break; + } + if( SyncCode( p_header ) != VLC_SUCCESS ) { msg_Dbg( p_dec, "emulated sync word " @@ -318,11 +328,12 @@ static void *DecodeBlock( decoder_t *p_dec, block_t **pp_block ) /* Copy the whole frame into the buffer. When we reach this point * we already know we have enough data available. */ - block_GetBytes( &p_sys->bytestream, p_buf, p_sys->i_frame_size ); + block_GetBytes( &p_sys->bytestream, + p_buf, __MIN( p_sys->i_frame_size, p_out_buffer->i_buffer ) ); /* Make sure we don't reuse the same pts twice */ if( p_sys->i_pts == p_sys->bytestream.p_block->i_pts ) - p_sys->i_pts = p_sys->bytestream.p_block->i_pts = 0; + p_sys->i_pts = p_sys->bytestream.p_block->i_pts = VLC_TS_INVALID; p_sys->i_state = STATE_NOSYNC; @@ -352,7 +363,7 @@ static void CloseCommon( vlc_object_t *p_this ) /***************************************************************************** * GetOutBuffer: *****************************************************************************/ -static uint8_t *GetOutBuffer( decoder_t *p_dec, void **pp_out_buffer ) +static uint8_t *GetOutBuffer( decoder_t *p_dec, block_t **pp_out_buffer ) { decoder_sys_t *p_sys = p_dec->p_sys; uint8_t *p_buf; @@ -408,11 +419,11 @@ static aout_buffer_t *GetAoutBuffer( decoder_t *p_dec ) p_buf = decoder_NewAudioBuffer( p_dec, p_sys->i_frame_length * 4 ); if( p_buf == NULL ) return NULL; p_buf->i_nb_samples = p_sys->i_frame_length; - p_buf->i_nb_bytes = p_sys->i_frame_size; + p_buf->i_buffer = p_sys->i_frame_size; - p_buf->start_date = date_Get( &p_sys->end_date ); - p_buf->end_date = - date_Increment( &p_sys->end_date, p_sys->i_frame_length ); + p_buf->i_pts = date_Get( &p_sys->end_date ); + p_buf->i_length = date_Increment( &p_sys->end_date, p_sys->i_frame_length ) + - p_buf->i_pts; return p_buf; } @@ -665,10 +676,12 @@ static int SyncInfo( const uint8_t *p_buf, { case 0x0: /* Mono */ + *pi_channels = 1; *pi_channels_conf = AOUT_CHAN_CENTER; break; case 0x1: /* Dual-mono = stereo + dual-mono */ + *pi_channels = 2; *pi_channels_conf = AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_DUALMONO; break;