Skip to content
Snippets Groups Projects
Commit 3106fa79 authored by Laurent Aimar's avatar Laurent Aimar
Browse files

* rawdv.c: ported to es_out_* and stream_*.

parent 40200aae
No related branches found
No related tags found
No related merge requests found
Hide whitespace changes
Inline Side-by-side
Showing
with 106 additions and 207 deletions
modules/demux/rawdv.c
+ 106
− 207
View file @ 3106fa79
......@@ -2,7 +2,7 @@
* rawdv.c : raw dv input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: rawdv.c,v 1.11 2003/11/24 00:39:01 fenrir Exp $
* $Id: rawdv.c,v 1.12 2003/11/24 19:19:02 fenrir Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
*
......@@ -10,7 +10,7 @@
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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
......@@ -25,22 +25,30 @@
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <string.h> /* strdup() */
#include <errno.h>
#include <vlc/vlc.h>
#include <vlc/input.h>
#include <sys/types.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin();
set_description( _("raw dv demuxer") );
set_capability( "demux", 2 );
set_callbacks( Open, Close );
add_shortcut( "rawdv" );
vlc_module_end();
#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
/*****************************************************************************
A little bit of background information (copied over from libdv glossary).
- DIF block: A block of 80 bytes. This is the basic data framing unit of the
DVC tape format, analogous to sectors of hard disc.
- Video Section: Each DIF sequence contains a video section, consisting of
135 DIF blocks, which are further subdivided into Video Segments.
......@@ -81,12 +89,11 @@ struct demux_sys_t
{
int frame_size;
es_descriptor_t *p_video_es;
es_descriptor_t *p_audio_es;
es_out_id_t *p_es_video;
es_format_t fmt_video;
/* codec specific stuff */
BITMAPINFOHEADER *p_bih;
WAVEFORMATEX *p_wf;
es_out_id_t *p_es_audio;
es_format_t fmt_audio;
double f_rate;
int i_bitrate;
......@@ -98,29 +105,19 @@ struct demux_sys_t
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
static void Deactivate( vlc_object_t * );
static int Demux ( input_thread_t * );
/*****************************************************************************
* Module descriptor
* Open: initializes raw dv demux structures
*****************************************************************************/
vlc_module_begin();
set_description( _("raw dv demuxer") );
set_capability( "demux", 2 );
set_callbacks( Activate, NULL );
add_shortcut( "rawdv" );
vlc_module_end();
/*****************************************************************************
* Activate: initializes raw dv demux structures
*****************************************************************************/
static int Activate( vlc_object_t * p_this )
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys;
byte_t *p_peek, *p_peek_backup;
uint32_t i_dword;
demux_sys_t *p_rawdv;
dv_header_t dv_header;
dv_id_t dv_id;
char *psz_ext;
......@@ -135,18 +132,14 @@ static int Activate( vlc_object_t * p_this )
if( ( !psz_ext || strcasecmp( psz_ext, ".dv") )&&
( !p_input->psz_demux || strcmp(p_input->psz_demux, "rawdv") ) )
{
return -1;
return VLC_EGENERIC;
}
p_input->pf_demux = Demux;
p_input->pf_demux_control = demux_vaControlDefault;
/* Have a peep at the show. */
if( input_Peek(p_input, &p_peek, DV_PAL_FRAME_SIZE) < DV_NTSC_FRAME_SIZE )
if( stream_Peek( p_input->s, &p_peek, DV_PAL_FRAME_SIZE ) < DV_NTSC_FRAME_SIZE )
{
/* Stream too short ... */
msg_Err( p_input, "cannot peek()" );
return -1;
return VLC_EGENERIC;
}
p_peek_backup = p_peek;
......@@ -164,7 +157,7 @@ static int Activate( vlc_object_t * p_this )
if( dv_id.sct != 0 )
{
msg_Warn( p_input, "not a raw dv stream header" );
return -1;
return VLC_EGENERIC;
}
/* fill in the dv_header_t structure */
......@@ -173,7 +166,7 @@ static int Activate( vlc_object_t * p_this )
if( i_dword >> (32 - 1) ) /* incorrect bit */
{
msg_Warn( p_input, "incorrect bit" );
return -1;
return VLC_EGENERIC;
}
i_dword = GetDWBE( p_peek ); p_peek += 4;
......@@ -195,45 +188,23 @@ static int Activate( vlc_object_t * p_this )
p_peek += 72; /* skip rest of DIF block */
/* Setup the structures for our demuxer */
if( !( p_rawdv = malloc( sizeof( demux_sys_t ) ) ) )
{
msg_Err( p_input, "out of memory" );
return -1;
}
memset( p_rawdv, 0, sizeof( demux_sys_t ) );
p_rawdv->p_bih = NULL;
p_rawdv->p_wf = NULL;
p_input->p_demux_data = p_rawdv;
/* 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_rawdv->p_bih = (BITMAPINFOHEADER *) malloc( sizeof(BITMAPINFOHEADER) );
if( !p_rawdv->p_bih )
{
msg_Err( p_input, "out of memory" );
goto error;
}
p_rawdv->p_bih->biSize = sizeof(BITMAPINFOHEADER);
p_rawdv->p_bih->biCompression = VLC_FOURCC( 'd','v','s','d' );
p_rawdv->p_bih->biSize = 40;
p_rawdv->p_bih->biWidth = 720;
p_rawdv->p_bih->biHeight = dv_header.dsf ? 576 : 480;
p_rawdv->p_bih->biPlanes = 1;
p_rawdv->p_bih->biBitCount = 24;
p_rawdv->p_bih->biSizeImage =
p_rawdv->p_bih->biWidth * p_rawdv->p_bih->biHeight
* (p_rawdv->p_bih->biBitCount >> 3);
/* Properties of our video */
if( dv_header.dsf )
{
p_rawdv->frame_size = 12 * 150 * 80;
p_rawdv->f_rate = 25;
}
else
{
p_rawdv->frame_size = 10 * 150 * 80;
p_rawdv->f_rate = 29.97;
}
p_sys->frame_size = dv_header.dsf ? 12 * 150 * 80 : 10 * 150 * 80;
p_sys->f_rate = dv_header.dsf ? 25 : 29.97;
p_sys->i_pcr = 0;
p_sys->p_es_video = NULL;
p_sys->p_es_audio = NULL;
p_sys->i_bitrate = 0;
es_format_Init( &p_sys->fmt_video, VIDEO_ES, VLC_FOURCC( 'd','v','s','d' ) );
p_sys->fmt_video.video.i_width = 720;
p_sys->fmt_video.video.i_height= dv_header.dsf ? 576 : 480;;
/* Audio stuff */
#if 0
......@@ -245,87 +216,43 @@ static int Activate( vlc_object_t * p_this )
}
#endif
p_rawdv->p_wf = (WAVEFORMATEX *)malloc( sizeof(WAVEFORMATEX) );
if( !p_rawdv->p_wf )
{
msg_Err( p_input, "out of memory" );
goto error;
}
p_rawdv->p_wf->wFormatTag = 0;
p_rawdv->p_wf->nChannels = 2;
p_rawdv->p_wf->nSamplesPerSec = 44100; /* FIXME */
p_rawdv->p_wf->nAvgBytesPerSec = p_rawdv->f_rate * p_rawdv->frame_size;
p_rawdv->p_wf->nBlockAlign = p_rawdv->frame_size;
p_rawdv->p_wf->wBitsPerSample = 16;
p_rawdv->p_wf->cbSize = 0;
es_format_Init( &p_sys->fmt_audio, AUDIO_ES, VLC_FOURCC( 'd','v','a','u' ) );
p_sys->fmt_audio.audio.i_channels = 2;
p_sys->fmt_audio.audio.i_rate = 44100; /* FIXME */
p_sys->fmt_audio.audio.i_bitspersample = 16;
p_sys->fmt_audio.audio.i_blockalign = p_sys->frame_size; /* ??? */
p_sys->fmt_audio.i_bitrate = p_sys->f_rate * p_sys->frame_size; /* ??? */
/* necessary because input_SplitBuffer() will only get
* INPUT_DEFAULT_BUFSIZE bytes at a time. */
p_input->i_bufsize = p_rawdv->frame_size;
p_input->i_bufsize = p_sys->frame_size;
/* Create one program */
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" );
goto error;
free( p_sys );
return VLC_EGENERIC;
}
if( input_AddProgram( p_input, 0, 0) == NULL )
{
vlc_mutex_unlock( &p_input->stream.stream_lock );
msg_Err( p_input, "cannot add program" );
goto error;
}
p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
p_input->stream.i_mux_rate = p_rawdv->frame_size * p_rawdv->f_rate;
p_input->stream.i_mux_rate = p_sys->frame_size * p_sys->f_rate;
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* Add video stream */
vlc_mutex_lock( &p_input->stream.stream_lock );
p_rawdv->p_video_es = input_AddES( p_input,
p_input->stream.p_selected_program,
1, VIDEO_ES, NULL, 0 );
p_rawdv->p_video_es->i_stream_id = 0;
p_rawdv->p_video_es->i_fourcc = VLC_FOURCC( 'd','v','s','d' );
p_rawdv->p_video_es->p_bitmapinfoheader = (void *)p_rawdv->p_bih;
input_SelectES( p_input, p_rawdv->p_video_es );
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_audio = es_out_Add( p_input->p_es_out, &p_sys->fmt_audio );
/* Add audio stream */
vlc_mutex_lock( &p_input->stream.stream_lock );
p_rawdv->p_audio_es = input_AddES( p_input,
p_input->stream.p_selected_program,
2, AUDIO_ES, NULL, 0 );
p_rawdv->p_audio_es->i_stream_id = 1;
p_rawdv->p_audio_es->i_fourcc = VLC_FOURCC( 'd','v','a','u' );
p_rawdv->p_audio_es->p_waveformatex = (void *)p_rawdv->p_wf;
input_SelectES( p_input, p_rawdv->p_audio_es );
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* Init pcr */
p_rawdv->i_pcr = 0;
return 0;
error:
if( p_rawdv->p_bih ) free( p_rawdv->p_bih );
if( p_rawdv->p_wf ) free( p_rawdv->p_wf );
Deactivate( (vlc_object_t *)p_input );
return -1;
return VLC_SUCCESS;
}
/*****************************************************************************
* Deactivate: frees unused data
* Close: frees unused data
*****************************************************************************/
static void Deactivate( 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_rawdv = (demux_sys_t *)p_input->p_demux_data;
demux_sys_t *p_sys = p_input->p_demux_data;
free( p_rawdv );
free( p_sys );
}
/*****************************************************************************
......@@ -335,103 +262,75 @@ static void Deactivate( vlc_object_t *p_this )
*****************************************************************************/
static int Demux( input_thread_t * p_input )
{
demux_sys_t *p_rawdv = (demux_sys_t *)p_input->p_demux_data;
pes_packet_t *p_pes = NULL;
pes_packet_t *p_audio_pes = NULL;
data_packet_t *p_data;
ssize_t i_read;
demux_sys_t *p_sys = p_input->p_demux_data;
block_t *p_block;
vlc_bool_t b_audio, b_video;
if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
{
off_t i_pos;
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. */
vlc_mutex_lock( &p_input->stream.stream_lock );
i_pos= p_input->stream.p_selected_area->i_tell;
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( (i_pos % p_rawdv->frame_size) &&
p_input->stream.b_seekable &&
p_input->stream.i_method == INPUT_METHOD_FILE )
if( i_pos % p_sys->frame_size > 0 )
{
p_input->pf_seek( p_input, (i_pos / p_rawdv->frame_size)
* p_rawdv->frame_size );
input_AccessReinit( p_input );
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;
}
}
}
/* Call the pace control */
input_ClockManageRef( p_input, p_input->stream.p_selected_program,
p_rawdv->i_pcr );
p_sys->i_pcr );
i_read = input_SplitBuffer( p_input, &p_data, p_rawdv->frame_size );
if( i_read <= 0 )
if( ( p_block = stream_Block( p_input->s, p_sys->frame_size ) ) == NULL )
{
return i_read;
/* EOF */
return 0;
}
/* Build video PES packet */
if( p_rawdv->p_video_es->p_dec )
es_out_Control( p_input->p_es_out, ES_OUT_GET_SELECT,
p_sys->p_es_audio, &b_audio );
es_out_Control( p_input->p_es_out, ES_OUT_GET_SELECT,
p_sys->p_es_video, &b_video );
p_block->i_dts =
p_block->i_pts = input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
p_sys->i_pcr );
if( b_audio && b_video )
{
p_pes = input_NewPES( p_input->p_method_data );
if( p_pes == NULL )
block_t *p_dup = block_Duplicate( p_block );
es_out_Send( p_input->p_es_out, p_sys->p_es_video, p_block );
if( p_dup )
{
msg_Err( p_input, "out of memory" );
input_DeletePacket( p_input->p_method_data, p_data );
return -1;
es_out_Send( p_input->p_es_out, p_sys->p_es_video, p_dup );
}
p_pes->i_rate = p_input->stream.control.i_rate;
p_pes->p_first = p_pes->p_last = p_data;
p_pes->i_pes_size = i_read;
p_pes->i_nb_data = 1;
p_pes->i_pts =
input_ClockGetTS( p_input, p_input->stream.p_selected_program,
p_rawdv->i_pcr );
}
/* Do the same for audio */
if( p_rawdv->p_audio_es->p_dec )
else if( b_audio )
{
p_audio_pes = input_NewPES( p_input->p_method_data );
if( p_audio_pes == NULL )
{
msg_Err( p_input, "out of memory" );
input_DeletePacket( p_input->p_method_data, p_data );
return -1;
}
p_audio_pes->i_rate = p_input->stream.control.i_rate;
if( p_rawdv->p_video_es->p_dec )
p_audio_pes->p_first = p_audio_pes->p_last =
input_ShareBuffer( p_input->p_method_data, p_data->p_buffer );
else
p_audio_pes->p_first = p_audio_pes->p_last = p_data;
p_audio_pes->p_first->p_next = p_data->p_next;
p_audio_pes->p_first->p_payload_start = p_data->p_payload_start;
p_audio_pes->p_first->p_payload_end = p_data->p_payload_end;
p_audio_pes->i_pes_size = i_read;
p_audio_pes->i_nb_data = 1;
p_audio_pes->i_pts =
input_ClockGetTS( p_input, p_input->stream.p_selected_program,
p_rawdv->i_pcr );
es_out_Send( p_input->p_es_out, p_sys->p_es_audio, p_block );
}
else if( b_video )
{
es_out_Send( p_input->p_es_out, p_sys->p_es_video, p_block );
}
else
{
block_Release( p_block );
}
/* Decode PES packets if stream is selected */
if( p_rawdv->p_video_es->p_dec )
input_DecodePES( p_rawdv->p_video_es->p_dec, p_pes );
if( p_rawdv->p_audio_es->p_dec )
input_DecodePES( p_rawdv->p_audio_es->p_dec, p_audio_pes );
p_rawdv->i_pcr += ( 90000 / p_rawdv->f_rate );
if( !p_rawdv->p_video_es->p_dec &&
!p_rawdv->p_audio_es->p_dec )
input_DeletePacket( p_input->p_method_data, p_data );
p_sys->i_pcr += ( 90000 / p_sys->f_rate );
return 1;
}
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment

VideoLAN code repository instance