* libmpeg2.c: mpeg2 video decoder module making use of libmpeg2.
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
- * $Id: libmpeg2.c,v 1.10 2003/04/15 15:53:42 gbazin Exp $
+ * $Id: libmpeg2.c,v 1.28 2003/09/30 20:23:03 gbazin Exp $
*
* Authors: Gildas Bazin <gbazin@netcourrier.com>
+ * Christophe Massiot <massiot@via.ecp.fr>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#define AR_221_1_PICTURE 4 /* 2.21:1 picture (movie) */
/*****************************************************************************
- * dec_thread_t : libmpeg2 decoder thread descriptor
+ * decoder_sys_t : libmpeg2 decoder descriptor
*****************************************************************************/
-typedef struct dec_thread_t
+struct decoder_sys_t
{
/*
* libmpeg2 properties
*/
mpeg2dec_t *p_mpeg2dec;
const mpeg2_info_t *p_info;
+ vlc_bool_t b_skip;
/*
* Input properties
*/
- decoder_fifo_t *p_fifo; /* stores the PES stream data */
pes_packet_t *p_pes; /* current PES we are decoding */
mtime_t i_pts;
mtime_t i_previous_pts;
mtime_t i_period_remainder;
int i_current_rate;
picture_t * p_picture_to_destroy;
+ vlc_bool_t b_garbage_pic;
+ vlc_bool_t b_after_sequence_header; /* is it the next frame after
+ * the sequence header ? */
+ vlc_bool_t b_slice_i; /* intra-slice refresh stream */
/*
* Output properties
vout_thread_t *p_vout;
vout_synchro_t *p_synchro;
-} dec_thread_t;
+};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenDecoder ( vlc_object_t * );
-static int RunDecoder ( decoder_fifo_t * );
-static void CloseDecoder ( dec_thread_t * );
+static int InitDecoder ( decoder_t * );
+static int RunDecoder ( decoder_t *, block_t * );
+static int EndDecoder ( decoder_t * );
-static picture_t *GetNewPicture( dec_thread_t *, uint8_t ** );
+static picture_t *GetNewPicture( decoder_t *, uint8_t ** );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("MPEG I/II video decoder (using libmpeg2)") );
- set_capability( "decoder", 40 );
+ set_capability( "decoder", 150 );
set_callbacks( OpenDecoder, NULL );
add_shortcut( "libmpeg2" );
vlc_module_end();
*****************************************************************************/
static int OpenDecoder( vlc_object_t *p_this )
{
- decoder_fifo_t *p_fifo = (decoder_fifo_t*) p_this;
+ decoder_t *p_dec = (decoder_t*)p_this;
- if( p_fifo->i_fourcc != VLC_FOURCC('m','p','g','v') )
+ if( p_dec->p_fifo->i_fourcc != VLC_FOURCC('m','p','g','v') &&
+ p_dec->p_fifo->i_fourcc != VLC_FOURCC('m','p','g','1') &&
+ p_dec->p_fifo->i_fourcc != VLC_FOURCC('m','p','g','2') )
{
return VLC_EGENERIC;
}
- p_fifo->pf_run = RunDecoder;
+ p_dec->pf_init = InitDecoder;
+ p_dec->pf_decode = RunDecoder;
+ p_dec->pf_end = EndDecoder;
+
return VLC_SUCCESS;
}
/*****************************************************************************
- * RunDecoder: the libmpeg2 decoder
+ * InitDecoder: Initalize the decoder
*****************************************************************************/
-static int RunDecoder( decoder_fifo_t *p_fifo )
+static int InitDecoder( decoder_t *p_dec )
{
- dec_thread_t *p_dec;
- data_packet_t *p_data = NULL;
- mpeg2_state_t state;
- picture_t *p_pic;
- int i_aspect, i_chroma;
-
- /* Allocate the memory needed to store the thread's structure */
- if( (p_dec = (dec_thread_t *)malloc (sizeof(dec_thread_t)) )
- == NULL)
+ /* Allocate the memory needed to store the decoder's structure */
+ if( ( p_dec->p_sys =
+ (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
{
- msg_Err( p_fifo, "out of memory" );
- goto error;
+ msg_Err( p_dec, "out of memory" );
+ return VLC_EGENERIC;
}
/* Initialize the thread properties */
- memset( p_dec, 0, sizeof(dec_thread_t) );
- p_dec->p_fifo = p_fifo;
- p_dec->p_pes = NULL;
- p_dec->p_vout = NULL;
- p_dec->p_mpeg2dec = NULL;
- p_dec->p_synchro = NULL;
- p_dec->p_info = NULL;
- p_dec->i_pts = mdate() + DEFAULT_PTS_DELAY;
- p_dec->i_current_pts = 0;
- p_dec->i_previous_pts = 0;
- p_dec->i_period_remainder = 0;
- p_dec->p_picture_to_destroy = NULL;
+ memset( p_dec->p_sys, 0, sizeof(decoder_sys_t) );
+ p_dec->p_sys->p_pes = NULL;
+ p_dec->p_sys->p_vout = NULL;
+ p_dec->p_sys->p_mpeg2dec = NULL;
+ p_dec->p_sys->p_synchro = NULL;
+ p_dec->p_sys->p_info = NULL;
+ p_dec->p_sys->i_pts = mdate() + DEFAULT_PTS_DELAY;
+ p_dec->p_sys->i_current_pts = 0;
+ p_dec->p_sys->i_previous_pts = 0;
+ p_dec->p_sys->i_period_remainder = 0;
+ p_dec->p_sys->p_picture_to_destroy = NULL;
+ p_dec->p_sys->b_garbage_pic = 0;
+ p_dec->p_sys->b_slice_i = 0;
+ p_dec->p_sys->b_skip = 0;
/* Initialize decoder */
- p_dec->p_mpeg2dec = mpeg2_init();
- if( p_dec->p_mpeg2dec == NULL)
- goto error;
+ p_dec->p_sys->p_mpeg2dec = mpeg2_init();
+ if( p_dec->p_sys->p_mpeg2dec == NULL)
+ {
+ msg_Err( p_dec, "mpeg2_init() failed" );
+ free( p_dec->p_sys );
+ return VLC_EGENERIC;
+ }
- p_dec->p_info = mpeg2_info( p_dec->p_mpeg2dec );
+ p_dec->p_sys->p_info = mpeg2_info( p_dec->p_sys->p_mpeg2dec );
+
+ return VLC_SUCCESS;
+}
- /* libmpeg2 decoder thread's main loop */
- while( (!p_dec->p_fifo->b_die) && (!p_dec->p_fifo->b_error) )
+/*****************************************************************************
+ * RunDecoder: the libmpeg2 decoder
+ *****************************************************************************/
+static int RunDecoder( decoder_t *p_dec, block_t *p_block )
+{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ mpeg2_state_t state;
+ picture_t *p_pic;
+ int i_aspect;
+
+ vlc_bool_t b_need_more_data = VLC_FALSE;
+
+ while( 1 )
{
- state = mpeg2_parse( p_dec->p_mpeg2dec );
+ if( p_dec->p_fifo->b_die || p_dec->p_fifo->b_error )
+ {
+ block_Release( p_block );
+ return VLC_EGENERIC;
+ }
+
+ state = mpeg2_parse( p_sys->p_mpeg2dec );
switch( state )
{
case STATE_BUFFER:
- /* Feed libmpeg2 a data packet at a time */
- if( p_data == NULL )
+ if( !p_block->i_buffer || b_need_more_data )
{
- /* Get the next PES */
- if( p_dec->p_pes )
- input_DeletePES( p_dec->p_fifo->p_packets_mgt,
- p_dec->p_pes );
+ block_Release( p_block );
+ return VLC_SUCCESS;
+ }
- input_ExtractPES( p_dec->p_fifo, &p_dec->p_pes );
- if( !p_dec->p_pes )
+ if( p_block->b_discontinuity && p_sys->p_synchro
+ && p_sys->p_info->sequence->width != (unsigned)-1 )
+ {
+ vout_SynchroReset( p_sys->p_synchro );
+ if( p_sys->p_info->current_fbuf != NULL
+ && p_sys->p_info->current_fbuf->id != NULL )
{
- p_dec->p_fifo->b_error = 1;
- break;
+ p_sys->b_garbage_pic = 1;
+ p_pic = p_sys->p_info->current_fbuf->id;
}
-
- if( p_dec->p_pes->b_discontinuity && p_dec->p_synchro )
+ else
{
- vout_SynchroReset( p_dec->p_synchro );
- if ( p_dec->p_info->current_fbuf != NULL )
- p_dec->p_picture_to_destroy
- = p_dec->p_info->current_fbuf->id;
+ uint8_t *buf[3];
+ buf[0] = buf[1] = buf[2] = NULL;
+ if( (p_pic = GetNewPicture( p_dec, buf )) == NULL )
+ break;
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, p_pic );
}
-
- if( p_dec->p_pes->i_pts )
+ p_sys->p_picture_to_destroy = p_pic;
+
+ memset( p_pic->p[0].p_pixels, 0,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height );
+ memset( p_pic->p[1].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+ memset( p_pic->p[2].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+
+ if ( p_sys->b_slice_i )
{
- mpeg2_pts( p_dec->p_mpeg2dec,
- (uint32_t)p_dec->p_pes->i_pts );
- p_dec->i_previous_pts = p_dec->i_current_pts;
- p_dec->i_current_pts = p_dec->p_pes->i_pts;
+ vout_SynchroNewPicture( p_sys->p_synchro,
+ I_CODING_TYPE, 2, 0, 0, p_sys->i_current_rate );
+ vout_SynchroDecode( p_sys->p_synchro );
+ vout_SynchroEnd( p_sys->p_synchro, I_CODING_TYPE, 0 );
}
-
- p_dec->i_current_rate = p_dec->p_pes->i_rate;
- p_data = p_dec->p_pes->p_first;
}
- if( p_data != NULL )
+ if( p_block->i_pts )
{
- mpeg2_buffer( p_dec->p_mpeg2dec,
- p_data->p_payload_start,
- p_data->p_payload_end );
-
- p_data = p_data->p_next;
+ mpeg2_pts( p_sys->p_mpeg2dec, (uint32_t)p_block->i_pts );
+ p_sys->i_previous_pts = p_sys->i_current_pts;
+ p_sys->i_current_pts = p_block->i_pts;
}
+
+ p_sys->i_current_rate = DEFAULT_RATE;//p_pes->i_rate;
+
+ mpeg2_buffer( p_sys->p_mpeg2dec, p_block->p_buffer,
+ p_block->p_buffer + p_block->i_buffer );
+
+ b_need_more_data = VLC_TRUE;
break;
case STATE_SEQUENCE:
case AR_SQUARE_PICTURE:
default:
i_aspect = VOUT_ASPECT_FACTOR *
- p_dec->p_info->sequence->width /
- p_dec->p_info->sequence->height;
+ p_sys->p_info->sequence->width /
+ p_sys->p_info->sequence->height;
break;
}
}
else
{
/* Use the value provided in the MPEG sequence header */
- i_aspect = ((uint64_t)p_dec->p_info->sequence->width) *
- p_dec->p_info->sequence->pixel_width * VOUT_ASPECT_FACTOR /
- p_dec->p_info->sequence->height /
- p_dec->p_info->sequence->pixel_height;
+ i_aspect = ((uint64_t)p_sys->p_info->sequence->display_width) *
+ p_sys->p_info->sequence->pixel_width * VOUT_ASPECT_FACTOR /
+ p_sys->p_info->sequence->display_height /
+ p_sys->p_info->sequence->pixel_height;
}
- i_chroma = VLC_FOURCC('Y','V','1','2');
+ if ( p_dec->p_sys->p_vout != NULL )
+ {
+ int i_pic;
+ /* Temporary hack to free the pictures in use by libmpeg2 */
+ for ( i_pic = 0; i_pic < p_dec->p_sys->p_vout->render.i_pictures; i_pic++ )
+ {
+ if( p_dec->p_sys->p_vout->render.pp_picture[i_pic]->i_status ==
+ RESERVED_PICTURE )
+ vout_DestroyPicture( p_dec->p_sys->p_vout,
+ p_dec->p_sys->p_vout->render.pp_picture[i_pic] );
+ if( p_dec->p_sys->p_vout->render.pp_picture[i_pic]->i_refcount > 0 )
+ vout_UnlinkPicture( p_dec->p_sys->p_vout,
+ p_dec->p_sys->p_vout->render.pp_picture[i_pic] );
+ }
+ }
- p_dec->p_vout = vout_Request( p_dec->p_fifo, p_dec->p_vout,
- p_dec->p_info->sequence->width,
- p_dec->p_info->sequence->height,
- i_chroma, i_aspect );
+ p_sys->p_vout = vout_Request( p_dec, p_sys->p_vout,
+ p_sys->p_info->sequence->width,
+ p_sys->p_info->sequence->height,
+ VLC_FOURCC('Y','V','1','2'),
+ i_aspect );
- mpeg2_custom_fbuf( p_dec->p_mpeg2dec, 1 );
+ if(p_sys->p_vout == NULL )
+ {
+ msg_Err( p_dec, "cannot create vout" );
+ block_Release( p_block );
+ return -1;
+ }
- /* Set the first 2 reference frames */
- mpeg2_set_buf( p_dec->p_mpeg2dec, buf, NULL );
- mpeg2_set_buf( p_dec->p_mpeg2dec, buf, NULL );
+ msg_Dbg( p_dec, "%dx%d, aspect %d, %u.%03u fps",
+ p_sys->p_info->sequence->width,
+ p_sys->p_info->sequence->height, i_aspect,
+ (uint32_t)((u64)1001000000 * 27 /
+ p_sys->p_info->sequence->frame_period / 1001),
+ (uint32_t)((u64)1001000000 * 27 /
+ p_sys->p_info->sequence->frame_period % 1001) );
+
+ mpeg2_custom_fbuf( p_sys->p_mpeg2dec, 1 );
- p_dec->p_synchro = vout_SynchroInit( p_dec->p_fifo, p_dec->p_vout,
- 1000000 * 27 / p_dec->p_info->sequence->frame_period * 1001 );
+ /* Set the first 2 reference frames */
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, NULL );
+
+ if( (p_pic = GetNewPicture( p_dec, buf )) == NULL ) break;
+ memset( p_pic->p[0].p_pixels, 0,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height );
+ memset( p_pic->p[1].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+ memset( p_pic->p[2].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, p_pic );
+ /* This picture will never go through display_picture. */
+ vout_DatePicture( p_sys->p_vout, p_pic, 0 );
+ vout_DisplayPicture( p_sys->p_vout, p_pic );
+ /* For some reason, libmpeg2 will put this pic twice in
+ * discard_picture. This can be considered a bug in libmpeg2. */
+ vout_LinkPicture( p_sys->p_vout, p_pic );
+
+ if ( p_sys->p_synchro )
+ {
+ vout_SynchroRelease( p_sys->p_synchro );
+ }
+ p_sys->p_synchro = vout_SynchroInit( p_dec, p_sys->p_vout,
+ (uint32_t)((uint64_t)1001000000 * 27 /
+ p_sys->p_info->sequence->frame_period) );
+ p_sys->b_after_sequence_header = 1;
}
break;
+ case STATE_PICTURE_2ND:
+ vout_SynchroNewPicture( p_sys->p_synchro,
+ p_sys->p_info->current_picture->flags & PIC_MASK_CODING_TYPE,
+ p_sys->p_info->current_picture->nb_fields,
+ 0, 0,
+ p_sys->i_current_rate );
+
+ if ( p_sys->b_skip )
+ {
+ vout_SynchroTrash( p_sys->p_synchro );
+ }
+ else
+ {
+ vout_SynchroDecode( p_sys->p_synchro );
+ }
+ break;
+
case STATE_PICTURE:
{
uint8_t *buf[3];
buf[0] = buf[1] = buf[2] = NULL;
- vout_SynchroNewPicture( p_dec->p_synchro,
- p_dec->p_info->current_picture->flags & PIC_MASK_CODING_TYPE,
- p_dec->p_info->current_picture->nb_fields,
- (p_dec->p_info->current_picture->flags & PIC_FLAG_PTS) ?
- ( (p_dec->p_info->current_picture->pts ==
- (uint32_t)p_dec->i_current_pts) ?
- p_dec->i_current_pts : p_dec->i_previous_pts ) : 0,
- 0,
- p_dec->i_current_rate );
-
- if ( !vout_SynchroChoose( p_dec->p_synchro,
- p_dec->p_info->current_picture->flags & PIC_MASK_CODING_TYPE ) )
+ if ( p_sys->b_after_sequence_header
+ && ((p_sys->p_info->current_picture->flags
+ & PIC_MASK_CODING_TYPE)
+ == PIC_FLAG_CODING_TYPE_P) )
{
- mpeg2_skip( p_dec->p_mpeg2dec, 1 );
- vout_SynchroTrash( p_dec->p_synchro );
- mpeg2_set_buf( p_dec->p_mpeg2dec, buf, NULL );
+ /* Intra-slice refresh. Simulate a blank I picture. */
+ msg_Dbg( p_dec, "intra-slice refresh stream" );
+ vout_SynchroNewPicture( p_sys->p_synchro,
+ I_CODING_TYPE, 2, 0, 0, p_sys->i_current_rate );
+ vout_SynchroDecode( p_sys->p_synchro );
+ vout_SynchroEnd( p_sys->p_synchro, I_CODING_TYPE, 0 );
+ p_sys->b_slice_i = 1;
+ }
+ p_sys->b_after_sequence_header = 0;
+
+ vout_SynchroNewPicture( p_sys->p_synchro,
+ p_sys->p_info->current_picture->flags & PIC_MASK_CODING_TYPE,
+ p_sys->p_info->current_picture->nb_fields,
+ (p_sys->p_info->current_picture->flags & PIC_FLAG_PTS) ?
+ ( ( p_sys->p_info->current_picture->pts ==
+ (uint32_t)p_sys->i_current_pts ) ?
+ p_sys->i_current_pts : p_sys->i_previous_pts ) : 0,
+ 0, p_sys->i_current_rate );
+
+ if ( !(p_sys->b_slice_i
+ && ((p_sys->p_info->current_picture->flags
+ & PIC_MASK_CODING_TYPE) == P_CODING_TYPE))
+ && !vout_SynchroChoose( p_sys->p_synchro,
+ p_sys->p_info->current_picture->flags
+ & PIC_MASK_CODING_TYPE ) )
+ {
+ mpeg2_skip( p_sys->p_mpeg2dec, 1 );
+ p_sys->b_skip = 1;
+ vout_SynchroTrash( p_sys->p_synchro );
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, NULL );
}
else
{
- mpeg2_skip( p_dec->p_mpeg2dec, 0 );
- vout_SynchroDecode( p_dec->p_synchro );
+ mpeg2_skip( p_sys->p_mpeg2dec, 0 );
+ p_sys->b_skip = 0;
+ vout_SynchroDecode( p_sys->p_synchro );
if( (p_pic = GetNewPicture( p_dec, buf )) == NULL ) break;
- mpeg2_set_buf( p_dec->p_mpeg2dec, buf, p_pic );
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, p_pic );
}
}
- /* pass-through */
+ break;
case STATE_END:
- if( p_dec->p_info->display_fbuf
- && p_dec->p_info->display_fbuf->id )
+ case STATE_SLICE:
+ if( p_sys->p_info->display_fbuf
+ && p_sys->p_info->display_fbuf->id )
{
- p_pic = (picture_t *)p_dec->p_info->display_fbuf->id;
+ p_pic = (picture_t *)p_sys->p_info->display_fbuf->id;
- if ( p_pic != NULL )
- {
- if ( p_dec->p_picture_to_destroy != p_pic )
- {
- vout_SynchroEnd( p_dec->p_synchro,
- p_dec->p_info->display_picture->flags
- & PIC_MASK_CODING_TYPE,
- 0 );
- vout_DatePicture( p_dec->p_vout, p_pic,
- vout_SynchroDate( p_dec->p_synchro ) );
- vout_DisplayPicture( p_dec->p_vout, p_pic );
- }
- else
- {
- p_dec->p_picture_to_destroy = NULL;
- vout_SynchroEnd( p_dec->p_synchro,
- p_dec->p_info->display_picture->flags
+ vout_SynchroEnd( p_sys->p_synchro,
+ p_sys->p_info->display_picture->flags
& PIC_MASK_CODING_TYPE,
- 1 );
- vout_DestroyPicture( p_dec->p_vout, p_pic );
- }
+ p_sys->b_garbage_pic );
+ p_sys->b_garbage_pic = 0;
+ vout_DisplayPicture( p_sys->p_vout, p_pic );
+
+ if ( p_sys->p_picture_to_destroy != p_pic )
+ {
+ vout_DatePicture( p_sys->p_vout, p_pic,
+ vout_SynchroDate( p_sys->p_synchro ) );
}
- if( p_dec->p_info->discard_fbuf &&
- p_dec->p_info->discard_fbuf->id )
+ else
{
- vout_UnlinkPicture( p_dec->p_vout, p_pic );
+ p_sys->p_picture_to_destroy = NULL;
+ vout_DatePicture( p_sys->p_vout, p_pic, 0 );
}
}
+
+ if( p_sys->p_info->discard_fbuf &&
+ p_sys->p_info->discard_fbuf->id )
+ {
+ p_pic = (picture_t *)p_sys->p_info->discard_fbuf->id;
+ vout_UnlinkPicture( p_sys->p_vout, p_pic );
+ }
break;
case STATE_INVALID:
- msg_Warn( p_dec->p_fifo, "Received STATE_INVALID" );
+ {
+ uint8_t *buf[3];
+ buf[0] = buf[1] = buf[2] = NULL;
+
+ msg_Warn( p_dec, "invalid picture encountered" );
+ if ( ( p_sys->p_info->current_picture == NULL ) ||
+ ( ( p_sys->p_info->current_picture->flags & PIC_MASK_CODING_TYPE)
+ != B_CODING_TYPE ) )
+ {
+ vout_SynchroReset( p_sys->p_synchro );
+ }
+ mpeg2_skip( p_sys->p_mpeg2dec, 1 );
+ p_sys->b_skip = 1;
+
+ if( p_sys->p_info->current_fbuf &&
+ p_sys->p_info->current_fbuf->id )
+ {
+ p_sys->b_garbage_pic = 1;
+ p_pic = p_sys->p_info->current_fbuf->id;
+ }
+ else
+ {
+ if( (p_pic = GetNewPicture( p_dec, buf )) == NULL )
+ break;
+ mpeg2_set_buf( p_sys->p_mpeg2dec, buf, p_pic );
+ }
+ p_sys->p_picture_to_destroy = p_pic;
+
+ memset( p_pic->p[0].p_pixels, 0,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height );
+ memset( p_pic->p[1].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+ memset( p_pic->p[2].p_pixels, 0x80,
+ p_sys->p_info->sequence->width
+ * p_sys->p_info->sequence->height / 4 );
+
+ if ( p_sys->b_slice_i )
+ {
+ vout_SynchroNewPicture( p_sys->p_synchro,
+ I_CODING_TYPE, 2, 0, 0, p_sys->i_current_rate );
+ vout_SynchroDecode( p_sys->p_synchro );
+ vout_SynchroEnd( p_sys->p_synchro, I_CODING_TYPE, 0 );
+ }
break;
+ }
default:
break;
}
}
- /* If b_error is set, the libmpeg2 decoder thread enters the error loop */
- if( p_dec->p_fifo->b_error )
- {
- DecoderError( p_dec->p_fifo );
- }
-
- /* End of the libmpeg2 decoder thread */
- CloseDecoder( p_dec );
-
- return 0;
-
- error:
- DecoderError( p_fifo );
- if( p_dec )
- {
- if( p_dec->p_fifo )
- p_dec->p_fifo->b_error = 1;
-
- /* End of the libmpeg2 decoder thread */
- CloseDecoder( p_dec );
- }
-
- return -1;
+ block_Release( p_block );
+ return VLC_EGENERIC;
}
/*****************************************************************************
- * CloseDecoder: libmpeg2 decoder destruction
+ * EndDecoder: libmpeg2 decoder destruction
*****************************************************************************/
-static void CloseDecoder( dec_thread_t * p_dec )
+static int EndDecoder( decoder_t * p_dec )
{
- if( p_dec )
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ if( p_sys )
{
int i_pic;
- if( p_dec->p_pes )
- input_DeletePES( p_dec->p_fifo->p_packets_mgt, p_dec->p_pes );
+ if( p_sys->p_synchro )
+ vout_SynchroRelease( p_sys->p_synchro );
- if( p_dec->p_vout )
+ if( p_sys->p_vout )
{
/* Temporary hack to free the pictures in use by libmpeg2 */
- for( i_pic = 0; i_pic < p_dec->p_vout->render.i_pictures; i_pic++ )
+ for( i_pic = 0; i_pic < p_sys->p_vout->render.i_pictures; i_pic++ )
{
- if( p_dec->p_vout->render.pp_picture[i_pic]->i_status ==
+ if( p_sys->p_vout->render.pp_picture[i_pic]->i_status ==
RESERVED_PICTURE )
- vout_DestroyPicture( p_dec->p_vout,
- p_dec->p_vout->render.pp_picture[i_pic] );
+ vout_DestroyPicture( p_sys->p_vout,
+ p_sys->p_vout->render.pp_picture[i_pic] );
+ if( p_sys->p_vout->render.pp_picture[i_pic]->i_refcount > 0 )
+ vout_UnlinkPicture( p_sys->p_vout,
+ p_sys->p_vout->render.pp_picture[i_pic] );
}
- vout_Request( p_dec->p_fifo, p_dec->p_vout, 0, 0, 0, 0 );
+ vout_Request( p_dec, p_sys->p_vout, 0, 0, 0, 0 );
}
- if( p_dec->p_synchro )
- vout_SynchroRelease( p_dec->p_synchro );
-
- if( p_dec->p_mpeg2dec ) mpeg2_close( p_dec->p_mpeg2dec );
+ if( p_sys->p_mpeg2dec ) mpeg2_close( p_sys->p_mpeg2dec );
- free( p_dec );
+ free( p_sys );
}
+
+ return VLC_SUCCESS;
}
/*****************************************************************************
* GetNewPicture: Get a new picture from the vout and set the buf struct
*****************************************************************************/
-static picture_t *GetNewPicture( dec_thread_t *p_dec, uint8_t **pp_buf )
+static picture_t *GetNewPicture( decoder_t *p_dec, uint8_t **pp_buf )
{
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
picture_t *p_pic;
+ vlc_bool_t b_progressive = p_sys->p_info->current_picture != NULL ?
+ p_sys->p_info->current_picture->flags & PIC_FLAG_PROGRESSIVE_FRAME :
+ 1;
+ vlc_bool_t b_top_field_first = p_sys->p_info->current_picture != NULL ?
+ p_sys->p_info->current_picture->flags & PIC_FLAG_TOP_FIELD_FIRST :
+ 1;
+ unsigned int i_nb_fields = p_sys->p_info->current_picture != NULL ?
+ p_sys->p_info->current_picture->nb_fields : 2;
/* Get a new picture */
- while( !(p_pic = vout_CreatePicture( p_dec->p_vout, 0, 0, 0 ) ) )
+ while( !(p_pic = vout_CreatePicture( p_sys->p_vout,
+ b_progressive, b_top_field_first, i_nb_fields )) )
{
if( p_dec->p_fifo->b_die || p_dec->p_fifo->b_error )
break;
}
if( p_pic == NULL )
return NULL;
- vout_LinkPicture( p_dec->p_vout, p_pic );
+ vout_LinkPicture( p_sys->p_vout, p_pic );
pp_buf[0] = p_pic->p[0].p_pixels;
pp_buf[1] = p_pic->p[1].p_pixels;
projects / vlc / blobdiff