* video.c: video decoder using the ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
- * $Id: video.c,v 1.50 2003/11/23 13:15:27 gbazin Exp $
+ * $Id: video.c,v 1.55 2003/11/29 18:06:12 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
/* Postprocessing handle */
void *p_pp;
+ vlc_bool_t b_pp;
+ vlc_bool_t b_pp_async;
vlc_bool_t b_pp_init;
};
p_pic = p_dec->pf_vout_buffer_new( p_dec );
#ifdef LIBAVCODEC_PP
- if( p_sys->p_pp && !p_sys->b_pp_init )
+ if( p_sys->p_pp && p_sys->b_pp && !p_sys->b_pp_init )
{
E_(InitPostproc)( p_dec, p_sys->p_pp, p_context->width,
p_context->height, p_context->pix_fmt );
AVCodec *p_codec, int i_codec_id, char *psz_namecodec )
{
decoder_sys_t *p_sys;
+ vlc_value_t lockval;
vlc_value_t val;
int i_tmp;
+
+ var_Get( p_dec->p_libvlc, "avcodec", &lockval );
+
/* Allocate the memory needed to store the decoder's structure */
if( ( p_dec->p_sys = p_sys =
(decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
if( val.b_bool ) p_sys->p_context->flags |= CODEC_FLAG_GRAY;
/* Decide if we set CODEC_FLAG_TRUNCATED */
-#if LIBAVCODEC_BUILD >= 4662
var_Create( p_dec, "ffmpeg-truncated", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
var_Get( p_dec, "ffmpeg-truncated", &val );
if( val.i_int > 0 ) p_sys->p_context->flags |= CODEC_FLAG_TRUNCATED;
-#endif
-
- /* ***** Open the codec ***** */
- if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
- {
- msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
- return VLC_EGENERIC;
- }
- else
- {
- msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
- }
/* ***** ffmpeg frame skipping ***** */
var_Create( p_dec, "ffmpeg-hurry-up", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
#ifdef LIBAVCODEC_PP
p_sys->p_pp = NULL;
- p_dec->p_sys->b_pp_init = VLC_FALSE;
- if( E_(OpenPostproc)( p_dec, &p_sys->p_pp ) == VLC_SUCCESS )
- {
- /* for now we cannot do postproc and dr */
- p_sys->b_direct_rendering = 0;
- }
+ p_sys->b_pp = p_sys->b_pp_async = p_sys->b_pp_init = VLC_FALSE;
+ p_sys->p_pp = E_(OpenPostproc)( p_dec, &p_sys->b_pp_async );
#endif
/* ffmpeg doesn't properly release old pictures when frames are skipped */
- if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = 0;
+ //if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = 0;
if( p_sys->b_direct_rendering )
{
msg_Dbg( p_dec, "using direct rendering" );
/* ***** init this codec with special data ***** */
if( p_dec->fmt_in.i_extra )
{
- int b_gotpicture;
int i_size = p_dec->fmt_in.i_extra;
- if( p_sys->i_codec_id == CODEC_ID_MPEG4 )
- {
- uint8_t *p_vol = malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
- memcpy( p_vol, p_dec->fmt_in.p_extra, i_size );
- memset( &p_vol[i_size], 0, FF_INPUT_BUFFER_PADDING_SIZE );
-
- avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
- &b_gotpicture, p_vol, i_size );
- free( p_vol );
- }
-#if LIBAVCODEC_BUILD >= 4666
- else if( p_sys->i_codec_id == CODEC_ID_SVQ3 )
+ if( p_sys->i_codec_id == CODEC_ID_SVQ3 )
{
uint8_t *p;
memset( &p[4], 0, 8 );
memcpy( &p[12], p_dec->fmt_in.p_extra, i_size );
}
-#endif
else
{
p_sys->p_context->extradata_size = i_size;
p_dec->fmt_out.i_cat = VIDEO_ES;
p_dec->fmt_out.i_codec = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
+ /* ***** Open the codec ***** */
+ vlc_mutex_lock( lockval.p_address );
+ if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
+ {
+ vlc_mutex_unlock( lockval.p_address );
+ msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+ return VLC_EGENERIC;
+ }
+ vlc_mutex_unlock( lockval.p_address );
+ msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
+
+
return VLC_SUCCESS;
}
p_block = *pp_block;
+ if( p_block->b_discontinuity )
+ {
+ p_sys->i_buffer = 0;
+ p_sys->i_pts = 0; /* To make sure we recover properly */
+
+ block_Release( p_block );
+ return NULL;
+ }
+
if( p_block->i_pts > 0 || p_block->i_dts > 0 )
{
p_sys->input_pts = p_block->i_pts;
block_Release( p_block );
p_sys->i_pts = 0; /* To make sure we recover properly */
p_sys->i_late_frames--;
- return VLC_SUCCESS;
+ return NULL;
}
if( p_sys->p_context->width <= 0 || p_sys->p_context->height <= 0 )
* Do the actual decoding now
*/
+ /* Check if post-processing was enabled */
+ p_sys->b_pp = p_sys->b_pp_async;
+
/* Don't forget that ffmpeg requires a little more bytes
* that the real frame size */
if( p_block->i_buffer > 0 )
continue;
}
- if( !p_sys->b_direct_rendering )
+ if( !p_sys->b_direct_rendering || p_sys->b_pp )
{
/* Get a new picture */
p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
int i_src_stride, i_dst_stride;
#ifdef LIBAVCODEC_PP
- if( p_sys->p_pp )
+ if( p_sys->p_pp && p_sys->b_pp )
E_(PostprocPict)( p_dec, p_sys->p_pp, p_pic, p_ff_pic );
else
#endif
p_sys->input_pts = p_sys->input_dts = 0;
/* Not much to do in indirect rendering mode */
- if( !p_sys->b_direct_rendering )
+ if( !p_sys->b_direct_rendering || p_sys->b_pp )
{
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
if( p_ff_pic->reference != 0 )
{
- //vout_LinkPicture( p_sys->p_vout, p_pic );
+ p_dec->pf_picture_link( p_dec, p_pic );
}
/* FIXME what is that, should give good value */
if( p_ff_pic->reference != 0 )
{
- //vout_UnlinkPicture( p_sys->p_vout, p_pic );
+ p_dec->pf_picture_unlink( p_dec, p_pic );
}
}