* ffmpeg.c: video decoder using ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
- * $Id: ffmpeg.c,v 1.2 2002/08/04 18:39:41 sam Exp $
+ * $Id: ffmpeg.c,v 1.49 2003/09/02 20:19:25 gbazin Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* 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
#include <vlc/vlc.h>
#include <vlc/vout.h>
+#include <vlc/aout.h>
#include <vlc/decoder.h>
#include <vlc/input.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h> /* getpid() */
-#endif
-
-#include <errno.h>
#include <string.h>
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
-#include "avcodec.h" /* ffmpeg */
+/* ffmpeg header */
+#ifdef HAVE_FFMPEG_AVCODEC_H
+# include <ffmpeg/avcodec.h>
+#else
+# include <avcodec.h>
+#endif
+
+#if LIBAVCODEC_BUILD < 4655
+# error You must have a libavcodec >= 4655 (get CVS)
+#endif
+
+
#include "ffmpeg.h"
+#ifdef LIBAVCODEC_PP
+# ifdef HAVE_POSTPROC_POSTPROCESS_H
+# include <postproc/postprocess.h>
+# else
+# include <libpostproc/postprocess.h>
+# endif
+#endif
+
+#include "video.h" // video ffmpeg specific
+#include "audio.h" // audio ffmpeg specific
+
/*
* Local prototypes
*/
+int E_(OpenChroma) ( vlc_object_t * );
static int OpenDecoder ( vlc_object_t * );
static int RunDecoder ( decoder_fifo_t * );
-static int InitThread ( videodec_thread_t * );
-static void EndThread ( videodec_thread_t * );
-static void DecodeThread ( videodec_thread_t * );
+
+static int InitThread ( generic_thread_t * );
+static void EndThread ( generic_thread_t * );
static int b_ffmpeginit = 0;
+static int ffmpeg_GetFfmpegCodec( vlc_fourcc_t, int *, int *, char ** );
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
+#define DR_TEXT N_("Direct rendering")
-#define ERROR_RESILIENCE_LONGTEXT \
- "ffmpeg can make errors resiliences. \n"\
- "Nevertheless, with buggy encoder (like ISO MPEG-4 encoder from M$) " \
+#define ERROR_TEXT N_("Error resilience")
+#define ERROR_LONGTEXT N_( \
+ "ffmpeg can make errors resiliences. \n" \
+ "Nevertheless, with a buggy encoder (like ISO MPEG-4 encoder from M$) " \
"this will produce a lot of errors.\n" \
- "Valid range is -1 to 99 (-1 disable all errors resiliences)."
-
-#define HURRY_UP_LONGTEXT \
+ "Valid range is -1 to 99 (-1 disables all errors resiliences).")
+
+#define BUGS_TEXT N_("Workaround bugs")
+#define BUGS_LONGTEXT N_( \
+ "Try to fix some bugs\n" \
+ "1 autodetect\n" \
+ "2 old msmpeg4\n" \
+ "4 xvid interlaced\n" \
+ "8 ump4 \n" \
+ "16 no padding\n" \
+ "32 ac vlc\n" \
+ "64 Qpel chroma")
+
+#define HURRYUP_TEXT N_("Hurry up")
+#define HURRYUP_LONGTEXT N_( \
"Allow the decoder to partially decode or skip frame(s) " \
- "when there not enough time.\n It's usefull with low CPU power " \
- "but it could produce broken pictures."
-
+ "when there is not enough time. It's useful with low CPU power " \
+ "but it can produce distorted pictures.")
+
+#define TRUNC_TEXT N_("Truncated stream")
+#define TRUNC_LONGTEXT N_("truncated stream -1:auto,0:disable,:1:enable")
+
+#define PP_Q_TEXT N_("Post processing quality")
+#define PP_Q_LONGTEXT N_( \
+ "Quality of post processing. Valid range is 0 to 6\n" \
+ "Higher levels require considerable more CPU power, but produce " \
+ "better looking pictures." )
+
+#define LIBAVCODEC_PP_TEXT N_("Ffmpeg postproc filter chains")
+/* FIXME (cut/past from ffmpeg */
+#define LIBAVCODEC_PP_LONGTEXT \
+"<filterName>[:<option>[:<option>...]][[,|/][-]<filterName>[:<option>...]]...\n" \
+"long form example:\n" \
+"vdeblock:autoq/hdeblock:autoq/linblenddeint default,-vdeblock\n" \
+"short form example:\n" \
+"vb:a/hb:a/lb de,-vb\n" \
+"more examples:\n" \
+"tn:64:128:256\n" \
+"Filters Options\n" \
+"short long name short long option Description\n" \
+"* * a autoq cpu power dependant enabler\n" \
+" c chrom chrominance filtring enabled\n" \
+" y nochrom chrominance filtring disabled\n" \
+"hb hdeblock (2 Threshold) horizontal deblocking filter\n" \
+" 1. difference factor: default=64, higher -> more deblocking\n" \
+" 2. flatness threshold: default=40, lower -> more deblocking\n" \
+" the h & v deblocking filters share these\n" \
+" so u cant set different thresholds for h / v\n" \
+"vb vdeblock (2 Threshold) vertical deblocking filter\n" \
+"h1 x1hdeblock Experimental h deblock filter 1\n" \
+"v1 x1vdeblock Experimental v deblock filter 1\n" \
+"dr dering Deringing filter\n" \
+"al autolevels automatic brightness / contrast\n" \
+" f fullyrange stretch luminance to (0..255)\n" \
+"lb linblenddeint linear blend deinterlacer\n" \
+"li linipoldeint linear interpolating deinterlace\n" \
+"ci cubicipoldeint cubic interpolating deinterlacer\n" \
+"md mediandeint median deinterlacer\n" \
+"fd ffmpegdeint ffmpeg deinterlacer\n" \
+"de default hb:a,vb:a,dr:a,al\n" \
+"fa fast h1:a,v1:a,dr:a,al\n" \
+"tn tmpnoise (3 Thresholds) Temporal Noise Reducer\n" \
+" 1. <= 2. <= 3. larger -> stronger filtering\n" \
+"fq forceQuant <quantizer> Force quantizer\n"
+
vlc_module_begin();
- add_category_hint( N_("Miscellaneous"), NULL );
-#if LIBAVCODEC_BUILD >= 4611
- add_integer ( "ffmpeg-error-resilience", 0, NULL,
- "error resilience", ERROR_RESILIENCE_LONGTEXT );
- add_integer ( "ffmpeg-workaround-bugs", 0, NULL,
- "workaround bugs", "0-99, seems to be for msmpeg v3\n" );
-#endif
- add_bool( "ffmpeg-hurry-up", 0, NULL, "hurry up", HURRY_UP_LONGTEXT );
- set_description( _("ffmpeg video decoder((MS)MPEG4,SVQ1,H263)") );
+ add_category_hint( N_("ffmpeg"), NULL, VLC_FALSE );
set_capability( "decoder", 70 );
set_callbacks( OpenDecoder, NULL );
+ set_description( _("ffmpeg audio/video decoder((MS)MPEG4,SVQ1,H263,WMV,WMA)") );
+
+ add_bool( "ffmpeg-dr", 1, NULL, DR_TEXT, DR_TEXT, VLC_TRUE );
+ add_integer ( "ffmpeg-error-resilience", -1, NULL, ERROR_TEXT, ERROR_LONGTEXT, VLC_TRUE );
+ add_integer ( "ffmpeg-workaround-bugs", 1, NULL, BUGS_TEXT, BUGS_LONGTEXT, VLC_FALSE );
+ add_bool( "ffmpeg-hurry-up", 0, NULL, HURRYUP_TEXT, HURRYUP_LONGTEXT, VLC_FALSE );
+ add_integer( "ffmpeg-truncated", -1, NULL, TRUNC_TEXT, TRUNC_LONGTEXT, VLC_FALSE );
+
+ add_category_hint( N_("Post processing"), NULL, VLC_FALSE );
+
+ add_integer( "ffmpeg-pp-q", 0, NULL, PP_Q_TEXT, PP_Q_LONGTEXT, VLC_FALSE );
+#ifdef LIBAVCODEC_PP
+ add_string( "ffmpeg-pp-name", "default", NULL, LIBAVCODEC_PP_TEXT, LIBAVCODEC_PP_LONGTEXT, VLC_TRUE );
+#endif
+
+ /* chroma conversion submodule */
+ add_submodule();
+ set_capability( "chroma", 50 );
+ set_callbacks( E_(OpenChroma), NULL );
+ set_description( _("ffmpeg chroma conversion") );
+
+ var_Create( p_module->p_libvlc, "avcodec", VLC_VAR_MUTEX );
vlc_module_end();
/*****************************************************************************
* OpenDecoder: probe the decoder and return score
*****************************************************************************
- * Tries to launch a decoder and return score so that the interface is able
+ * Tries to launch a decoder and return score so that the interface is able
* to chose.
*****************************************************************************/
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( ffmpeg_GetFfmpegCodec( p_fifo->i_fourcc, NULL, NULL ) )
+ if( !ffmpeg_GetFfmpegCodec( p_dec->p_fifo->i_fourcc, NULL, NULL, NULL ) )
{
- p_fifo->pf_run = RunDecoder;
- return VLC_SUCCESS;
+ return VLC_EGENERIC;
}
- return VLC_EGENERIC;
+ p_dec->pf_run = RunDecoder;
+
+ return VLC_SUCCESS;
}
+typedef union decoder_thread_u
+{
+ generic_thread_t gen;
+ adec_thread_t audio;
+ vdec_thread_t video;
+
+} decoder_thread_t;
+
/*****************************************************************************
* RunDecoder: this function is called just after the thread is created
*****************************************************************************/
static int RunDecoder( decoder_fifo_t *p_fifo )
{
- videodec_thread_t *p_vdec;
+ generic_thread_t *p_decoder;
int b_error;
- if ( !(p_vdec = (videodec_thread_t*)malloc( sizeof(videodec_thread_t))) )
+ if ( !(p_decoder = malloc( sizeof( decoder_thread_t ) ) ) )
{
msg_Err( p_fifo, "out of memory" );
DecoderError( p_fifo );
return( -1 );
}
- memset( p_vdec, 0, sizeof( videodec_thread_t ) );
+ memset( p_decoder, 0, sizeof( decoder_thread_t ) );
- p_vdec->p_fifo = p_fifo;
+ p_decoder->p_fifo = p_fifo;
- if( InitThread( p_vdec ) != 0 )
+ if( InitThread( p_decoder ) != 0 )
{
+ msg_Err( p_fifo, "initialization failed" );
DecoderError( p_fifo );
return( -1 );
}
-
- while( (!p_vdec->p_fifo->b_die) && (!p_vdec->p_fifo->b_error) )
+
+ while( (!p_decoder->p_fifo->b_die) && (!p_decoder->p_fifo->b_error) )
{
- DecodeThread( p_vdec );
+ switch( p_decoder->i_cat )
+ {
+ case VIDEO_ES:
+ E_( DecodeThread_Video )( (vdec_thread_t*)p_decoder );
+ break;
+ case AUDIO_ES:
+ E_( DecodeThread_Audio )( (adec_thread_t*)p_decoder );
+ break;
+ }
}
- if( ( b_error = p_vdec->p_fifo->b_error ) )
+ if( ( b_error = p_decoder->p_fifo->b_error ) )
{
- DecoderError( p_vdec->p_fifo );
+ DecoderError( p_decoder->p_fifo );
}
- EndThread( p_vdec );
+ EndThread( p_decoder );
if( b_error )
{
return( -1 );
}
-
- return( 0 );
-}
+ return( 0 );
+}
/*****************************************************************************
- * locales Functions
+ *
+ * Functions that initialize, decode and end the decoding process
+ *
*****************************************************************************/
-#define GetWLE( p ) \
- ( *(u8*)(p) + ( *((u8*)(p)+1) << 8 ) )
-
-#define GetDWLE( p ) \
- ( *(u8*)(p) + ( *((u8*)(p)+1) << 8 ) + \
- ( *((u8*)(p)+2) << 16 ) + ( *((u8*)(p)+3) << 24 ) )
+/*****************************************************************************
+ * InitThread: initialize vdec output thread
+ *****************************************************************************
+ * This function is called from decoder_Run and performs the second step
+ * of the initialization. It returns 0 on success. Note that the thread's
+ * flag are not modified inside this function.
+ *
+ * ffmpeg codec will be open, some memory allocated. But Vout is not yet
+ * open (done after the first decoded frame)
+ *****************************************************************************/
-static void ffmpeg_ParseBitMapInfoHeader( bitmapinfoheader_t *p_bh,
- u8 *p_data )
+static int InitThread( generic_thread_t *p_decoder )
{
- p_bh->i_size = GetDWLE( p_data );
- p_bh->i_width = GetDWLE( p_data + 4 );
- p_bh->i_height = GetDWLE( p_data + 8 );
- p_bh->i_planes = GetWLE( p_data + 12 );
- p_bh->i_bitcount = GetWLE( p_data + 14 );
- p_bh->i_compression = GetDWLE( p_data + 16 );
- p_bh->i_sizeimage = GetDWLE( p_data + 20 );
- p_bh->i_xpelspermeter = GetDWLE( p_data + 24 );
- p_bh->i_ypelspermeter = GetDWLE( p_data + 28 );
- p_bh->i_clrused = GetDWLE( p_data + 32 );
- p_bh->i_clrimportant = GetDWLE( p_data + 36 );
-
- if( p_bh->i_size > 40 )
- {
- p_bh->i_data = p_bh->i_size - 40;
- p_bh->p_data = malloc( p_bh->i_data );
- memcpy( p_bh->p_data, p_data + 40, p_bh->i_data );
- }
- else
- {
- p_bh->i_data = 0;
- p_bh->p_data = NULL;
- }
+ int i_result;
+ vlc_value_t lockval;
-}
-/* get the first pes from fifo */
-static pes_packet_t *__PES_GET( decoder_fifo_t *p_fifo )
-{
- pes_packet_t *p_pes;
- vlc_mutex_lock( &p_fifo->data_lock );
+ var_Get( p_decoder->p_fifo->p_libvlc, "avcodec", &lockval );
+ vlc_mutex_lock( lockval.p_address );
- /* if fifo is emty wait */
- while( !p_fifo->p_first )
- {
- if( p_fifo->b_die )
- {
- vlc_mutex_unlock( &p_fifo->data_lock );
- return( NULL );
- }
- vlc_cond_wait( &p_fifo->data_wait, &p_fifo->data_lock );
- }
- p_pes = p_fifo->p_first;
-
- vlc_mutex_unlock( &p_fifo->data_lock );
-
- return( p_pes );
-}
-
-/* free the first pes and go to next */
-static void __PES_NEXT( decoder_fifo_t *p_fifo )
-{
- pes_packet_t *p_next;
-
- vlc_mutex_lock( &p_fifo->data_lock );
-
- p_next = p_fifo->p_first->p_next;
- p_fifo->p_first->p_next = NULL;
- input_DeletePES( p_fifo->p_packets_mgt, p_fifo->p_first );
- p_fifo->p_first = p_next;
- p_fifo->i_depth--;
-
- if( !p_fifo->p_first )
+ /* *** init ffmpeg library (libavcodec) *** */
+ if( !b_ffmpeginit )
{
- /* No PES in the fifo */
- /* pp_last no longer valid */
- p_fifo->pp_last = &p_fifo->p_first;
- while( !p_fifo->p_first )
- {
- vlc_cond_signal( &p_fifo->data_wait );
- vlc_cond_wait( &p_fifo->data_wait, &p_fifo->data_lock );
- }
- }
- vlc_mutex_unlock( &p_fifo->data_lock );
-}
-
-static inline void __GetFrame( videodec_thread_t *p_vdec )
-{
- pes_packet_t *p_pes;
- data_packet_t *p_data;
- byte_t *p_buffer;
- p_pes = __PES_GET( p_vdec->p_fifo );
- p_vdec->i_pts = p_pes->i_pts;
+ avcodec_init();
+ avcodec_register_all();
+ b_ffmpeginit = 1;
- while( ( !p_pes->i_nb_data )||( !p_pes->i_pes_size ) )
- {
- __PES_NEXT( p_vdec->p_fifo );
- p_pes = __PES_GET( p_vdec->p_fifo );
+ msg_Dbg( p_decoder->p_fifo, "libavcodec initialized (interface "
+ LIBAVCODEC_BUILD_STR ")" );
}
- p_vdec->i_framesize = p_pes->i_pes_size;
- if( p_pes->i_nb_data == 1 )
+ else
{
- p_vdec->p_framedata = p_pes->p_first->p_payload_start;
- return;
+ msg_Dbg( p_decoder->p_fifo, "libavcodec already initialized" );
}
- /* get a buffer and gather all data packet */
- p_vdec->p_framedata = p_buffer = malloc( p_pes->i_pes_size );
- p_data = p_pes->p_first;
- do
- {
- p_vdec->p_fifo->p_vlc->pf_memcpy( p_buffer, p_data->p_payload_start,
- p_data->p_payload_end - p_data->p_payload_start );
- p_buffer += p_data->p_payload_end - p_data->p_payload_start;
- p_data = p_data->p_next;
- } while( p_data );
-}
+ vlc_mutex_unlock( lockval.p_address );
-static inline void __NextFrame( videodec_thread_t *p_vdec )
-{
- pes_packet_t *p_pes;
+ /* *** determine codec type *** */
+ ffmpeg_GetFfmpegCodec( p_decoder->p_fifo->i_fourcc,
+ &p_decoder->i_cat,
+ &p_decoder->i_codec_id,
+ &p_decoder->psz_namecodec );
- p_pes = __PES_GET( p_vdec->p_fifo );
- if( p_pes->i_nb_data != 1 )
+ /* *** ask ffmpeg for a decoder *** */
+ if( !( p_decoder->p_codec =
+ avcodec_find_decoder( p_decoder->i_codec_id ) ) )
{
- free( p_vdec->p_framedata ); /* FIXME keep this buffer */
+ msg_Err( p_decoder->p_fifo,
+ "codec not found (%s)",
+ p_decoder->psz_namecodec );
+ return( -1 );
}
- __PES_NEXT( p_vdec->p_fifo );
-}
-
-/* FIXME FIXME some of them are wrong */
-static int i_ffmpeg_PixFmtToChroma[] =
-{
-/* PIX_FMT_ANY = -1,PIX_FMT_YUV420P, PIX_FMT_YUV422,
- PIX_FMT_RGB24, PIX_FMT_BGR24, PIX_FMT_YUV422P,
- PIX_FMT_YUV444P, PIX_FMT_YUV410P */
- 0, VLC_FOURCC('I','4','2','0'), VLC_FOURCC('I','4','2','0'),
- VLC_FOURCC('R','V','2','4'), 0, VLC_FOURCC('Y','4','2','2'),
- VLC_FOURCC('I','4','4','4'), 0
-};
+ /* *** Get a p_context *** */
+ p_decoder->p_context = avcodec_alloc_context();
-static inline u32 ffmpeg_PixFmtToChroma( int i_ffmpegchroma )
-{
- if( ++i_ffmpegchroma > 7 )
- {
- return( 0 );
- }
- else
+ switch( p_decoder->i_cat )
{
- return( i_ffmpeg_PixFmtToChroma[i_ffmpegchroma] );
- }
-}
-
-static inline int ffmpeg_FfAspect( int i_width, int i_height, int i_ffaspect )
-{
- switch( i_ffaspect )
- {
- case( FF_ASPECT_4_3_625 ):
- case( FF_ASPECT_4_3_525 ):
- return( VOUT_ASPECT_FACTOR * 4 / 3);
- case( FF_ASPECT_16_9_625 ):
- case( FF_ASPECT_16_9_525 ):
- return( VOUT_ASPECT_FACTOR * 16 / 9 );
- case( FF_ASPECT_SQUARE ):
+ case VIDEO_ES:
+ i_result = E_( InitThread_Video )( (vdec_thread_t*)p_decoder );
+ break;
+ case AUDIO_ES:
+ i_result = E_( InitThread_Audio )( (adec_thread_t*)p_decoder );
+ break;
default:
- return( VOUT_ASPECT_FACTOR * i_width / i_height );
+ i_result = -1;
}
-}
-static int ffmpeg_CheckVout( vout_thread_t *p_vout,
- int i_width,
- int i_height,
- int i_aspect,
- int i_chroma )
-{
- if( !p_vout )
- {
- return( 0 );
- }
- if( !i_chroma )
- {
- /* we will try to make conversion */
- i_chroma = VLC_FOURCC('I','4','2','0');
- }
-
- if( ( p_vout->render.i_width != i_width )||
- ( p_vout->render.i_height != i_height )||
- ( p_vout->render.i_chroma != i_chroma )||
- ( p_vout->render.i_aspect !=
- ffmpeg_FfAspect( i_width, i_height, i_aspect ) ) )
- {
- return( 0 );
- }
- else
- {
- return( 1 );
- }
-}
+ p_decoder->pts = 0;
+ p_decoder->p_buffer = NULL;
+ p_decoder->i_buffer = 0;
+ p_decoder->i_buffer_size = 0;
-/* Return a Vout */
+ return( i_result );
+}
-static vout_thread_t *ffmpeg_CreateVout( videodec_thread_t *p_vdec,
- int i_width,
- int i_height,
- int i_aspect,
- int i_chroma )
+/*****************************************************************************
+ * EndThread: thread destruction
+ *****************************************************************************
+ * This function is called when the thread ends after a sucessful
+ * initialization.
+ *****************************************************************************/
+static void EndThread( generic_thread_t *p_decoder )
{
- vout_thread_t *p_vout;
- if( (!i_width)||(!i_height) )
+ if( !p_decoder )
{
- return( NULL ); /* Can't create a new vout without display size */
+ return;
}
- if( !i_chroma )
+ if( p_decoder->p_context != NULL)
{
- /* we make conversion if possible*/
- i_chroma = VLC_FOURCC('I','4','2','0');
- msg_Warn( p_vdec->p_fifo, "Internal chroma conversion (FIXME)");
- /* It's mainly for I410 -> I420 conversion that I've made,
- it's buggy and very slow */
- }
-
- i_aspect = ffmpeg_FfAspect( i_width, i_height, i_aspect );
-
- /* Spawn a video output if there is none. First we look for our children,
- * then we look for any other vout that might be available. */
- p_vout = vlc_object_find( p_vdec->p_fifo, VLC_OBJECT_VOUT,
- FIND_CHILD );
- if( !p_vout )
- {
- p_vout = vlc_object_find( p_vdec->p_fifo, VLC_OBJECT_VOUT,
- FIND_ANYWHERE );
+ FREE( p_decoder->p_context->extradata );
+ avcodec_close( p_decoder->p_context );
+ msg_Dbg( p_decoder->p_fifo,
+ "ffmpeg codec (%s) stopped",
+ p_decoder->psz_namecodec );
+ free( p_decoder->p_context );
}
- if( p_vout )
- {
- if( !ffmpeg_CheckVout( p_vout,
- i_width, i_height, i_aspect,i_chroma ) )
- {
- /* We are not interested in this format, close this vout */
- vlc_object_detach_all( p_vout );
- vlc_object_release( p_vout );
- vout_DestroyThread( p_vout );
- p_vout = NULL;
- }
- else
- {
- /* This video output is cool! Hijack it. */
- vlc_object_detach_all( p_vout );
- vlc_object_attach( p_vout, p_vdec->p_fifo );
- vlc_object_release( p_vout );
- }
- }
+ FREE( p_decoder->p_buffer );
- if( p_vout == NULL )
+ switch( p_decoder->i_cat )
{
- msg_Dbg( p_vdec->p_fifo, "no vout present, spawning one" );
-
- p_vout = vout_CreateThread( p_vdec->p_fifo,
- i_width,
- i_height,
- i_chroma,
- i_aspect );
+ case AUDIO_ES:
+ E_( EndThread_Audio )( (adec_thread_t*)p_decoder );
+ break;
+ case VIDEO_ES:
+ E_( EndThread_Video )( (vdec_thread_t*)p_decoder );
+ break;
}
- return( p_vout );
+ free( p_decoder );
}
-/* FIXME FIXME FIXME this is a big shit
- does someone want to rewrite this function ?
- or said to me how write a better thing
- FIXME FIXME FIXME
-*/
+/*****************************************************************************
+ * locales Functions
+ *****************************************************************************/
-static void ffmpeg_ConvertPictureI410toI420( picture_t *p_pic,
- AVPicture *p_avpicture,
- videodec_thread_t *p_vdec )
+int E_( GetPESData )( u8 *p_buf, int i_max, pes_packet_t *p_pes )
{
- u8 *p_src, *p_dst;
- u8 *p_plane[3];
- int i_plane;
-
- int i_stride, i_lines;
- int i_height, i_width;
- int i_y, i_x;
-
- i_height = p_vdec->p_context->height;
- i_width = p_vdec->p_context->width;
-
- p_dst = p_pic->p[0].p_pixels;
- p_src = p_avpicture->data[0];
-
- /* copy first plane */
- for( i_y = 0; i_y < i_height; i_y++ )
- {
- p_vdec->p_fifo->p_vlc->pf_memcpy( p_dst, p_src, i_width);
- p_dst += p_pic->p[0].i_pitch;
- p_src += p_avpicture->linesize[0];
- }
-
- /* process each plane in a temporary buffer */
- for( i_plane = 1; i_plane < 3; i_plane++ )
- {
- i_stride = p_avpicture->linesize[i_plane];
- i_lines = i_height / 4;
+ int i_copy;
+ int i_count;
- p_dst = p_plane[i_plane] = malloc( i_lines * i_stride * 2 * 2 );
- p_src = p_avpicture->data[i_plane];
+ data_packet_t *p_data;
- /* for each source line */
- for( i_y = 0; i_y < i_lines; i_y++ )
- {
- for( i_x = 0; i_x < i_stride - 1; i_x++ )
- {
- p_dst[2 * i_x ] = p_src[i_x];
- p_dst[2 * i_x + 1] = ( p_src[i_x] + p_src[i_x + 1]) / 2;
-
- }
- p_dst[2 * i_stride - 2] = p_src[i_x];
- p_dst[2 * i_stride - 1] = p_src[i_x];
-
- p_dst += 4 * i_stride; /* process the next even lines */
- p_src += i_stride;
- }
-
-
- }
-
- for( i_plane = 1; i_plane < 3; i_plane++ )
- {
- i_stride = p_avpicture->linesize[i_plane];
- i_lines = i_height / 4;
-
- p_dst = p_plane[i_plane] + 2*i_stride;
- p_src = p_plane[i_plane];
-
- for( i_y = 0; i_y < i_lines - 1; i_y++ )
- {
- for( i_x = 0; i_x < 2 * i_stride ; i_x++ )
- {
- p_dst[i_x] = ( p_src[i_x] + p_src[i_x + 4*i_stride])/2;
- }
-
- p_dst += 4 * i_stride; /* process the next odd lines */
- p_src += 4 * i_stride;
- }
- /* last line */
- p_vdec->p_fifo->p_vlc->pf_memcpy( p_dst, p_src, 2*i_stride );
- }
- /* copy to p_pic, by block
- if I do pixel per pixel it segfault. It's why I use
- temporaries buffers */
- for( i_plane = 1; i_plane < 3; i_plane++ )
+ i_count = 0;
+ p_data = p_pes->p_first;
+ while( p_data != NULL && i_count < i_max )
{
- int i_size;
- p_src = p_plane[i_plane];
- p_dst = p_pic->p[i_plane].p_pixels;
+ i_copy = __MIN( p_data->p_payload_end - p_data->p_payload_start,
+ i_max - i_count );
- i_size = __MIN( 2*i_stride, p_pic->p[i_plane].i_pitch);
- for( i_y = 0; i_y < __MIN(p_pic->p[i_plane].i_lines, 2 * i_lines); i_y++ )
+ if( i_copy > 0 )
{
- p_vdec->p_fifo->p_vlc->pf_memcpy( p_dst, p_src, i_size );
- p_src += 2 * i_stride;
- p_dst += p_pic->p[i_plane].i_pitch;
+ memcpy( p_buf,
+ p_data->p_payload_start,
+ i_copy );
}
- free( p_plane[i_plane] );
- }
-}
-
-static void ffmpeg_ConvertPicture( picture_t *p_pic,
- AVPicture *p_avpicture,
- videodec_thread_t *p_vdec )
-{
- int i_plane;
- int i_size;
- int i_line;
-
- u8 *p_dst;
- u8 *p_src;
- int i_src_stride;
- int i_dst_stride;
-
- if( ffmpeg_PixFmtToChroma( p_vdec->p_context->pix_fmt ) )
- {
- /* convert ffmpeg picture to our format */
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- p_src = p_avpicture->data[i_plane];
- p_dst = p_pic->p[i_plane].p_pixels;
- i_src_stride = p_avpicture->linesize[i_plane];
- i_dst_stride = p_pic->p[i_plane].i_pitch;
-
- i_size = __MIN( i_src_stride, i_dst_stride );
- for( i_line = 0; i_line < p_pic->p[i_plane].i_lines; i_line++ )
- {
- p_vdec->p_fifo->p_vlc->pf_memcpy( p_dst, p_src, i_size );
- p_src += i_src_stride;
- p_dst += i_dst_stride;
- }
- }
- return;
+ p_data = p_data->p_next;
+ i_count += i_copy;
+ p_buf += i_copy;
}
- /* we need to convert to I420 */
- switch( p_vdec->p_context->pix_fmt )
+ if( i_count < i_max )
{
-#if LIBAVCODEC_BUILD >= 4615
- case( PIX_FMT_YUV410P ):
- ffmpeg_ConvertPictureI410toI420( p_pic, p_avpicture, p_vdec );
- break;
-#endif
- default:
- p_vdec->p_fifo->b_error =1;
- break;
+ memset( p_buf, 0, i_max - i_count );
}
+ return( i_count );
}
-/*****************************************************************************
- *
- * Functions that initialize, decode and end the decoding process
- *
- *****************************************************************************/
-
-/*****************************************************************************
- * InitThread: initialize vdec output thread
- *****************************************************************************
- * This function is called from RunDecoderoder and performs the second step
- * of the initialization. It returns 0 on success. Note that the thread's
- * flag are not modified inside this function.
- *****************************************************************************/
-
-static int InitThread( videodec_thread_t *p_vdec )
+static int ffmpeg_GetFfmpegCodec( vlc_fourcc_t i_fourcc,
+ int *pi_cat,
+ int *pi_ffmpeg_codec,
+ char **ppsz_name )
{
- int i_ffmpeg_codec;
- int i_tmp;
-
- if( p_vdec->p_fifo->p_demux_data )
- {
- ffmpeg_ParseBitMapInfoHeader( &p_vdec->format,
- (u8*)p_vdec->p_fifo->p_demux_data );
- }
- else
- {
- msg_Warn( p_vdec->p_fifo, "display informations missing" );
- }
+ int i_cat;
+ int i_codec;
+ char *psz_name;
- /*init ffmpeg */
- if( !b_ffmpeginit )
+ switch( i_fourcc )
{
- avcodec_init();
- avcodec_register_all();
- b_ffmpeginit = 1;
- msg_Dbg( p_vdec->p_fifo, "library ffmpeg initialized" );
- }
- else
- {
- msg_Dbg( p_vdec->p_fifo, "library ffmpeg already initialized" );
- }
- ffmpeg_GetFfmpegCodec( p_vdec->p_fifo->i_fourcc,
- &i_ffmpeg_codec,
- &p_vdec->psz_namecodec );
- p_vdec->p_codec =
- avcodec_find_decoder( i_ffmpeg_codec );
-
- if( !p_vdec->p_codec )
- {
- msg_Err( p_vdec->p_fifo, "codec not found (%s)",
- p_vdec->psz_namecodec );
- return( -1 );
- }
+ case FOURCC_mpgv:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MPEG1VIDEO;
+ psz_name = "MPEG-1/2 Video";
+ break;
- p_vdec->p_context = &p_vdec->context;
- memset( p_vdec->p_context, 0, sizeof( AVCodecContext ) );
-
- p_vdec->p_context->width = p_vdec->format.i_width;
- p_vdec->p_context->height = p_vdec->format.i_height;
-
-/* XXX
- p_vdec->p_context->workaround_bugs
- --> seems to be for msmpeg 3 but can't know what is supposed to do
-
- p_vdec->p_context->strict_std_compliance
- --> strictly follow mpeg4 standard for decoder or encoder ??
-
- p_vdec->p_context->error_resilience
- --> don't make error resilience, because of some ms encoder witch
- use some wrong VLC code.
-*/
-
-#if LIBAVCODEC_BUILD >= 4611
- i_tmp = config_GetInt( p_vdec->p_fifo, "ffmpeg-workaround-bugs" );
- p_vdec->p_context->workaround_bugs = __MAX( __MIN( i_tmp, 99 ), 0 );
-
- i_tmp = config_GetInt( p_vdec->p_fifo, "ffmpeg-error-resilience" );
- p_vdec->p_context->error_resilience = __MAX( __MIN( i_tmp, 99 ), -1 );
-#endif
-#if LIBAVCODEC_BUILD >= 4614
- if( config_GetInt( p_vdec->p_fifo, "grayscale" ) )
- {
- p_vdec->p_context->flags|= CODEC_FLAG_GRAY;
- }
-#endif
-
- if (avcodec_open(p_vdec->p_context, p_vdec->p_codec) < 0)
- {
- msg_Err( p_vdec->p_fifo, "cannot open codec (%s)",
- p_vdec->psz_namecodec );
- return( -1 );
- }
- else
- {
- msg_Dbg( p_vdec->p_fifo, "ffmpeg codec (%s) started",
- p_vdec->psz_namecodec );
- }
-
- /* first give init data */
- if( p_vdec->format.i_data )
- {
- AVPicture avpicture;
- int b_gotpicture;
-
- switch( i_ffmpeg_codec )
- {
- case( CODEC_ID_MPEG4 ):
- avcodec_decode_video( p_vdec->p_context, &avpicture,
- &b_gotpicture,
- p_vdec->format.p_data,
- p_vdec->format.i_data );
- break;
- default:
- break;
- }
- }
-
- /* This will be created after the first decoded frame */
- p_vdec->p_vout = NULL;
-
- return( 0 );
-}
+ case FOURCC_DIV1:
+ case FOURCC_div1:
+ case FOURCC_MPG4:
+ case FOURCC_mpg4:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MSMPEG4V1;
+ psz_name = "MS MPEG-4 v1";
+ break;
-/*****************************************************************************
- * DecodeThread: Called for decode one frame
- *****************************************************************************/
-static void DecodeThread( videodec_thread_t *p_vdec )
-{
- int i_status;
- int b_drawpicture;
- int b_gotpicture;
- AVPicture avpicture; /* ffmpeg picture */
- picture_t *p_pic; /* videolan picture */
- /* we have to get a frame stored in a pes
- give it to ffmpeg decoder
- and send the image to the output */
-
- /* TODO implement it in a better way */
-
- if( ( config_GetInt(p_vdec->p_fifo, "ffmpeg-hurry-up") )&&
- ( p_vdec->i_frame_late > 4 ) )
- {
-#if LIBAVCODEC_BUILD > 4603
- b_drawpicture = 0;
- if( p_vdec->i_frame_late < 8 )
- {
- p_vdec->p_context->hurry_up = 2;
- }
- else
- {
- /* too much late picture, won't decode
- but break picture until a new I, and for mpeg4 ...*/
- p_vdec->i_frame_late--; /* needed else it will never be decrease */
- __PES_NEXT( p_vdec->p_fifo );
- return;
- }
-#else
- if( p_vdec->i_frame_late < 8 )
- {
- b_drawpicture = 0; /* not really good but .. */
- }
- else
- {
- /* too much late picture, won't decode
- but break picture until a new I, and for mpeg4 ...*/
- p_vdec->i_frame_late--; /* needed else it will never be decrease */
- __PES_NEXT( p_vdec->p_fifo );
- return;
- }
-#endif
- }
- else
- {
- b_drawpicture = 1;
-#if LIBAVCODEC_BUILD > 4603
- p_vdec->p_context->hurry_up = 0;
-#endif
- }
+ case FOURCC_DIV2:
+ case FOURCC_div2:
+ case FOURCC_MP42:
+ case FOURCC_mp42:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MSMPEG4V2;
+ psz_name = "MS MPEG-4 v2";
+ break;
- __GetFrame( p_vdec );
+ case FOURCC_MPG3:
+ case FOURCC_mpg3:
+ case FOURCC_div3:
+ case FOURCC_MP43:
+ case FOURCC_mp43:
+ case FOURCC_DIV3:
+ case FOURCC_DIV4:
+ case FOURCC_div4:
+ case FOURCC_DIV5:
+ case FOURCC_div5:
+ case FOURCC_DIV6:
+ case FOURCC_div6:
+ case FOURCC_AP41:
+ case FOURCC_3VID:
+ case FOURCC_3vid:
+ case FOURCC_3IVD:
+ case FOURCC_3ivd:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MSMPEG4V3;
+ psz_name = "MS MPEG-4 v3";
+ break;
- i_status = avcodec_decode_video( p_vdec->p_context,
- &avpicture,
- &b_gotpicture,
- p_vdec->p_framedata,
- p_vdec->i_framesize);
+ case FOURCC_SVQ1:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_SVQ1;
+ psz_name = "SVQ-1 (Sorenson Video v1)";
+ break;
+#if LIBAVCODEC_BUILD >= 4666
+ case FOURCC_SVQ3:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_SVQ3;
+ psz_name = "SVQ-3 (Sorenson Video v3)";
+ break;
+#endif
- __NextFrame( p_vdec );
+ case FOURCC_DIVX:
+ case FOURCC_divx:
+ case FOURCC_MP4S:
+ case FOURCC_mp4s:
+ case FOURCC_M4S2:
+ case FOURCC_m4s2:
+ case FOURCC_xvid:
+ case FOURCC_XVID:
+ case FOURCC_XviD:
+ case FOURCC_DX50:
+ case FOURCC_mp4v:
+ case FOURCC_4:
+ case FOURCC_m4cc:
+ case FOURCC_M4CC:
+ /* 3iv1 is unsupported by ffmpeg
+ putting it here gives extreme distorted images
+ case FOURCC_3IV1:
+ case FOURCC_3iv1:
+ */
+ case FOURCC_3IV2:
+ case FOURCC_3iv2:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MPEG4;
+ psz_name = "MPEG-4";
+ break;
+/* FIXME FOURCC_H263P exist but what fourcc ? */
+ case FOURCC_H263:
+ case FOURCC_h263:
+ case FOURCC_U263:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_H263;
+ psz_name = "H263";
+ break;
- if( i_status < 0 )
- {
- msg_Warn( p_vdec->p_fifo, "cannot decode one frame (%d bytes)",
- p_vdec->i_framesize );
- p_vdec->i_frame_error++;
- return;
- }
- /* Update frame late count*/
- /* I don't make statistic on decoding time */
- if( p_vdec->i_pts <= mdate())
- {
- p_vdec->i_frame_late++;
- }
- else
- {
- p_vdec->i_frame_late = 0;
- }
+ case FOURCC_I263:
+ case FOURCC_i263:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_H263I;
+ psz_name = "I263.I";
+ break;
+ case FOURCC_WMV1:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_WMV1;
+ psz_name ="Windows Media Video 1";
+ break;
+ case FOURCC_WMV2:
+ case FOURCC_MSS1:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_WMV2;
+ psz_name ="Windows Media Video 2";
+ break;
+ case FOURCC_MJPG:
+ case FOURCC_mjpg:
+ case FOURCC_mjpa:
+ case FOURCC_jpeg:
+ case FOURCC_JPEG:
+ case FOURCC_JFIF:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MJPEG;
+ psz_name = "Motion JPEG";
+ break;
+ case FOURCC_mjpb:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_MJPEGB;
+ psz_name = "Motion JPEG B";
+ break;
+ case FOURCC_dvsl:
+ case FOURCC_dvsd:
+ case FOURCC_DVSD:
+ case FOURCC_dvhd:
+ case FOURCC_dvc:
+ case FOURCC_dvp:
+ case FOURCC_CDVC:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_DVVIDEO;
+ psz_name = "DV video";
+ break;
- if( !b_gotpicture || avpicture.linesize[0] == 0 || !b_drawpicture)
- {
- return;
- }
-
- /* Check our vout */
- if( !ffmpeg_CheckVout( p_vdec->p_vout,
- p_vdec->p_context->width,
- p_vdec->p_context->height,
- p_vdec->p_context->aspect_ratio_info,
- ffmpeg_PixFmtToChroma(p_vdec->p_context->pix_fmt)) )
- {
- p_vdec->p_vout =
- ffmpeg_CreateVout( p_vdec,
- p_vdec->p_context->width,
- p_vdec->p_context->height,
- p_vdec->p_context->aspect_ratio_info,
- ffmpeg_PixFmtToChroma(p_vdec->p_context->pix_fmt));
- if( !p_vdec->p_vout )
- {
- msg_Err( p_vdec->p_fifo, "cannot create vout" );
- p_vdec->p_fifo->b_error = 1; /* abort */
- return;
- }
- }
+ case FOURCC_MAC3:
+ i_cat = AUDIO_ES;
+ i_codec = CODEC_ID_MACE3;
+ psz_name = "MACE-3 audio";
+ break;
+ case FOURCC_MAC6:
+ i_cat = AUDIO_ES;
+ i_codec = CODEC_ID_MACE6;
+ psz_name = "MACE-6 audio";
+ break;
+ case FOURCC_dvau:
+ i_cat = AUDIO_ES;
+ i_codec = CODEC_ID_DVAUDIO;
+ psz_name = "DV audio";
+ break;
- /* Send decoded frame to vout */
- while( !(p_pic = vout_CreatePicture( p_vdec->p_vout, 0, 0, 0 ) ) )
- {
- if( p_vdec->p_fifo->b_die || p_vdec->p_fifo->b_error )
- {
- return;
- }
- msleep( VOUT_OUTMEM_SLEEP );
- }
-
- ffmpeg_ConvertPicture( p_pic,
- &avpicture,
- p_vdec );
-
-
- /* FIXME correct avi and use i_dts */
- vout_DatePicture( p_vdec->p_vout, p_pic, p_vdec->i_pts);
- vout_DisplayPicture( p_vdec->p_vout, p_pic );
-
- return;
-}
+ case FOURCC_WMA1:
+ case FOURCC_wma1:
+ i_cat = AUDIO_ES;
+ i_codec = CODEC_ID_WMAV1;
+ psz_name ="Windows Media Audio 1";
+ break;
+ case FOURCC_WMA2:
+ case FOURCC_wma2:
+ i_cat = AUDIO_ES;
+ i_codec = CODEC_ID_WMAV2;
+ psz_name ="Windows Media Audio 2";
+ break;
+#if( ( LIBAVCODEC_BUILD >= 4663 ) && ( !defined( WORDS_BIGENDIAN ) ) )
+ /* Quality of this decoder on ppc is not good */
+ case FOURCC_IV31:
+ case FOURCC_iv31:
+ case FOURCC_IV32:
+ case FOURCC_iv32:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_INDEO3;
+ psz_name = "Indeo v3";
+ break;
+#endif
-/*****************************************************************************
- * EndThread: thread destruction
- *****************************************************************************
- * This function is called when the thread ends after a sucessful
- * initialization.
- *****************************************************************************/
-static void EndThread( videodec_thread_t *p_vdec )
-{
- if( !p_vdec )
- {
- return;
- }
+#if LIBAVCODEC_BUILD >= 4668
+ /* Not yet finished
+ case FOURCC_vp31:
+ case FOURCC_VP31:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_VP3;
+ psz_name = "On2's VP3 Video";
+ break;
+
+ case FOURCC_asv1:
+ case FOURCC_ASV1:
+ i_cat = VIDEO_ES;
+ i_codec = CODEC_ID_ASV1;
+ psz_name = "Asus V1";
+ break; */
+#endif
- if( p_vdec->p_context != NULL)
- {
- avcodec_close( p_vdec->p_context );
- msg_Dbg( p_vdec->p_fifo, "ffmpeg codec (%s) stopped",
- p_vdec->psz_namecodec );
+ default:
+ i_cat = UNKNOWN_ES;
+ i_codec = CODEC_ID_NONE;
+ psz_name = NULL;
+ break;
}
- if( p_vdec->p_vout != NULL )
+ if( i_codec != CODEC_ID_NONE )
{
- /* We are about to die. Reattach video output to p_vlc. */
- vlc_object_detach( p_vdec->p_vout, p_vdec->p_fifo );
- vlc_object_attach( p_vdec->p_vout, p_vdec->p_fifo->p_vlc );
+ if( pi_cat ) *pi_cat = i_cat;
+ if( pi_ffmpeg_codec ) *pi_ffmpeg_codec = i_codec;
+ if( ppsz_name ) *ppsz_name = psz_name;
+ return( VLC_TRUE );
}
- if( p_vdec->format.p_data != NULL)
- {
- free( p_vdec->format.p_data );
- }
-
- free( p_vdec );
+ return( VLC_FALSE );
}