Commit e695e7d8 authored by Laurent Aimar's avatar Laurent Aimar

* rawdv.c: demux -> demux2. (Untested so may be broken)

parent d9259f2f
/*****************************************************************************
* rawdv.c : raw dv input module for vlc
*****************************************************************************
* Copyright (C) 2001-2003 VideoLAN
* $Id: rawdv.c,v 1.15 2004/02/29 19:01:22 gbazin Exp $
* Copyright (C) 2001-2004 VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -35,12 +35,9 @@
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
static block_t *dv_extract_audio( input_thread_t * p_input,
block_t* p_frame_block );
vlc_module_begin();
set_description( _("raw dv demuxer") );
set_capability( "demux", 2 );
set_capability( "demux2", 2 );
set_callbacks( Open, Close );
add_shortcut( "rawdv" );
vlc_module_end();
......@@ -109,22 +106,26 @@ struct demux_sys_t
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( input_thread_t * );
static int Demux( demux_t * );
static int Control( demux_t *, int i_query, va_list args );
static block_t *dv_extract_audio( demux_t *p_demux,
block_t* p_frame_block );
/*****************************************************************************
* Open: initializes raw dv demux structures
*****************************************************************************/
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
byte_t *p_peek, *p_peek_backup;
byte_t *p_peek, *p_peek_backup;
uint32_t i_dword;
dv_header_t dv_header;
dv_id_t dv_id;
char *psz_ext;
uint32_t i_dword;
dv_header_t dv_header;
dv_id_t dv_id;
char *psz_ext;
/* It isn't easy to recognize a raw dv stream. The chances that we'll
* mistake a stream from another type for a raw dv stream are too high, so
......@@ -132,18 +133,18 @@ static int Open( vlc_object_t * p_this )
* it is possible to force this demux. */
/* Check for dv file extension */
psz_ext = strrchr ( p_input->psz_name, '.' );
if( ( !psz_ext || strcasecmp( psz_ext, ".dv") )&&
( !p_input->psz_demux || strcmp(p_input->psz_demux, "rawdv") ) )
psz_ext = strrchr( p_demux->psz_path, '.' );
if( ( !psz_ext || strcasecmp( psz_ext, ".dv") ) &&
strcmp(p_demux->psz_demux, "rawdv") )
{
return VLC_EGENERIC;
}
if( stream_Peek( p_input->s, &p_peek, DV_PAL_FRAME_SIZE ) <
if( stream_Peek( p_demux->s, &p_peek, DV_PAL_FRAME_SIZE ) <
DV_NTSC_FRAME_SIZE )
{
/* Stream too short ... */
msg_Err( p_input, "cannot peek()" );
msg_Err( p_demux, "cannot peek()" );
return VLC_EGENERIC;
}
p_peek_backup = p_peek;
......@@ -161,7 +162,7 @@ static int Open( vlc_object_t * p_this )
if( dv_id.sct != 0 )
{
msg_Warn( p_input, "not a raw dv stream header" );
msg_Warn( p_demux, "not a raw dv stream header" );
return VLC_EGENERIC;
}
......@@ -170,7 +171,7 @@ static int Open( vlc_object_t * p_this )
i_dword <<= 1;
if( i_dword >> (32 - 1) ) /* incorrect bit */
{
msg_Warn( p_input, "incorrect bit" );
msg_Warn( p_demux, "incorrect bit" );
return VLC_EGENERIC;
}
......@@ -194,9 +195,9 @@ static int Open( vlc_object_t * p_this )
/* Set p_input field */
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
p_sys->i_dsf = dv_header.dsf;
p_sys->frame_size = dv_header.dsf ? 12 * 150 * 80 : 10 * 150 * 80;
......@@ -212,22 +213,14 @@ static int Open( vlc_object_t * p_this )
p_sys->fmt_video.video.i_width = 720;
p_sys->fmt_video.video.i_height= dv_header.dsf ? 576 : 480;;
/* FIXME FIXME */
#if 0
/* necessary because input_SplitBuffer() will only get
* INPUT_DEFAULT_BUFSIZE bytes at a time. */
p_input->i_bufsize = p_sys->frame_size;
#endif
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1)
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot init stream" );
free( p_sys );
return VLC_EGENERIC;
}
p_input->stream.i_mux_rate = p_sys->frame_size * p_sys->f_rate;
vlc_mutex_unlock( &p_input->stream.stream_lock );
p_sys->p_es_video = es_out_Add( p_input->p_es_out, &p_sys->fmt_video );
p_sys->p_es_video = es_out_Add( p_demux->out, &p_sys->fmt_video );
/* Audio stuff */
p_peek = p_peek_backup + 80*6+80*16*3 + 3; /* beginning of AAUX pack */
......@@ -254,7 +247,7 @@ static int Open( vlc_object_t * p_this )
/* 12 bits non-linear will be converted to 16 bits linear */
p_sys->fmt_audio.audio.i_bitspersample = 16;
p_sys->p_es_audio = es_out_Add( p_input->p_es_out, &p_sys->fmt_audio );
p_sys->p_es_audio = es_out_Add( p_demux->out, &p_sys->fmt_audio );
}
return VLC_SUCCESS;
......@@ -265,8 +258,8 @@ static int Open( vlc_object_t * p_this )
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys = p_demux->p_sys;
free( p_sys );
}
......@@ -276,82 +269,69 @@ static void Close( vlc_object_t *p_this )
*****************************************************************************
* Returns -1 in case of error, 0 in case of EOF, 1 otherwise
*****************************************************************************/
static int Demux( input_thread_t * p_input )
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_input->p_demux_data;
block_t *p_block;
vlc_bool_t b_audio = VLC_FALSE, b_video = VLC_FALSE;
if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
{
off_t i_pos = stream_Tell( p_input->s );
msg_Warn( p_input, "synchro reinit" );
/* If the user tried to seek in the stream, we need to make sure
* the new position is at a DIF block boundary. */
if( i_pos % p_sys->frame_size > 0 )
{
i_pos += p_sys->frame_size - i_pos % p_sys->frame_size;
if( stream_Seek( p_input->s, i_pos ) )
{
msg_Warn( p_input, "cannot resynch after seek (EOF?)" );
return -1;
}
}
}
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
vlc_bool_t b_audio = VLC_FALSE;
/* Call the pace control */
input_ClockManageRef( p_input, p_input->stream.p_selected_program,
p_sys->i_pcr );
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pcr );
if( ( p_block = stream_Block( p_input->s, p_sys->frame_size ) ) == NULL )
if( ( p_block = stream_Block( p_demux->s, p_sys->frame_size ) ) == NULL )
{
/* EOF */
return 0;
}
es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE,
p_sys->p_es_video, &b_video );
if( p_sys->p_es_audio )
{
es_out_Control( p_input->p_es_out, ES_OUT_GET_ES_STATE,
es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE,
p_sys->p_es_audio, &b_audio );
}
p_block->i_dts =
p_block->i_pts = input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
p_sys->i_pcr );
p_block->i_pts = p_sys->i_pcr;
if( b_audio )
{
block_t *p_audio_block = dv_extract_audio( p_input, p_block );
block_t *p_audio_block = dv_extract_audio( p_demux, p_block );
if( p_audio_block )
{
p_audio_block->i_pts = p_audio_block->i_dts = p_block->i_dts;
es_out_Send( p_input->p_es_out, p_sys->p_es_audio, p_audio_block );
p_audio_block->i_pts =
p_audio_block->i_dts = p_sys->i_pcr;
es_out_Send( p_demux->out, p_sys->p_es_audio, p_audio_block );
}
}
if( b_video )
es_out_Send( p_input->p_es_out, p_sys->p_es_video, p_block );
else
block_Release( p_block );
es_out_Send( p_demux->out, p_sys->p_es_video, p_block );
p_sys->i_pcr += ( 90000 / p_sys->f_rate );
p_sys->i_pcr += ( I64C(1000000) / p_sys->f_rate );
return 1;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
/* XXX: DEMUX_SET_TIME is precise here */
return demux2_vaControlHelper( p_demux->s,
0, -1,
p_sys->frame_size * p_sys->f_rate * 8,
p_sys->frame_size, i_query, args );
}
static const uint16_t dv_audio_shuffle525[10][9] = {
{ 0, 30, 60, 20, 50, 80, 10, 40, 70 }, /* 1st channel */
{ 6, 36, 66, 26, 56, 86, 16, 46, 76 },
{ 12, 42, 72, 2, 32, 62, 22, 52, 82 },
{ 18, 48, 78, 8, 38, 68, 28, 58, 88 },
{ 24, 54, 84, 14, 44, 74, 4, 34, 64 },
{ 1, 31, 61, 21, 51, 81, 11, 41, 71 }, /* 2nd channel */
{ 7, 37, 67, 27, 57, 87, 17, 47, 77 },
{ 13, 43, 73, 3, 33, 63, 23, 53, 83 },
......@@ -364,21 +344,21 @@ static const uint16_t dv_audio_shuffle625[12][9] = {
{ 6, 42, 78, 32, 68, 104, 22, 58, 94},
{ 12, 48, 84, 2, 38, 74, 28, 64, 100},
{ 18, 54, 90, 8, 44, 80, 34, 70, 106},
{ 24, 60, 96, 14, 50, 86, 4, 40, 76},
{ 24, 60, 96, 14, 50, 86, 4, 40, 76},
{ 30, 66, 102, 20, 56, 92, 10, 46, 82},
{ 1, 37, 73, 27, 63, 99, 17, 53, 89}, /* 2nd channel */
{ 7, 43, 79, 33, 69, 105, 23, 59, 95},
{ 13, 49, 85, 3, 39, 75, 29, 65, 101},
{ 19, 55, 91, 9, 45, 81, 35, 71, 107},
{ 25, 61, 97, 15, 51, 87, 5, 41, 77},
{ 25, 61, 97, 15, 51, 87, 5, 41, 77},
{ 31, 67, 103, 21, 57, 93, 11, 47, 83},
};
static inline uint16_t dv_audio_12to16( uint16_t sample )
{
uint16_t shift, result;
sample = (sample < 0x800) ? sample : sample | 0xf000;
shift = (sample & 0xf00) >> 8;
......@@ -395,10 +375,10 @@ static inline uint16_t dv_audio_12to16( uint16_t sample )
return result;
}
static block_t *dv_extract_audio( input_thread_t * p_input,
static block_t *dv_extract_audio( demux_t *p_demux,
block_t* p_frame_block )
{
demux_sys_t *p_sys = p_input->p_demux_data;
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_block;
uint8_t *p_frame, *p_buf;
int i_audio_quant, i_samples, i_size, i_half_ch;
......@@ -413,7 +393,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
i_audio_quant = p_buf[4] & 0x07; /* 0 - 16bit, 1 - 12bit */
if( i_audio_quant > 1 )
{
msg_Dbg( p_input, "Unsupported quantization for DV audio");
msg_Dbg( p_demux, "Unsupported quantization for DV audio");
return NULL;
}
......@@ -433,7 +413,7 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
}
i_size = (i_size + i_samples) * 4; /* 2ch, 2bytes */
p_block = block_New( p_input, i_size );
p_block = block_New( p_demux, i_size );
/* for each DIF segment */
p_frame = p_frame_block->p_buffer;
......@@ -489,3 +469,5 @@ static block_t *dv_extract_audio( input_thread_t * p_input,
return p_block;
}
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