]> git.sesse.net Git - vlc/blobdiff - modules/stream_out/transcode.c
* rtp, display: update p_sout->i_out_pace_nocontrol.
[vlc] / modules / stream_out / transcode.c
index 04e9b4f17faaec06dc40f4970fee743a9b81413c..9238e0bdeb45cc6e67a1cae4cb6ca89e0644f9f7 100644 (file)
@@ -1,10 +1,11 @@
 /*****************************************************************************
- * transcode.c
+ * transcode.c: transcoding stream output module
  *****************************************************************************
- * Copyright (C) 2001, 2002 VideoLAN
- * $Id: transcode.c,v 1.30 2003/08/11 20:48:19 gbazin Exp $
+ * Copyright (C) 2003-2004 VideoLAN
+ * $Id$
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ *          Gildas Bazin <gbazin@netcourrier.com>
  *
  * 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
@@ -30,6 +31,8 @@
 #include <vlc/vlc.h>
 #include <vlc/input.h>
 #include <vlc/sout.h>
+#include <vlc/vout.h>
+#include <vlc/decoder.h>
 
 /* ffmpeg header */
 #ifdef HAVE_FFMPEG_AVCODEC_H
 #   include <avcodec.h>
 #endif
 
-/* vorbis header */
-#ifdef HAVE_VORBIS_VORBISENC_H
-#   include <vorbis/vorbisenc.h>
-#   ifndef OV_ECTL_RATEMANAGE_AVG
-#       define OV_ECTL_RATEMANAGE_AVG 0x0
-#   endif
+#if LIBAVCODEC_BUILD < 4704
+#   define AV_NOPTS_VALUE 0
 #endif
 
 /*****************************************************************************
@@ -52,7 +51,7 @@
 static int      Open    ( vlc_object_t * );
 static void     Close   ( vlc_object_t * );
 
-static sout_stream_id_t *Add ( sout_stream_t *, sout_format_t * );
+static sout_stream_id_t *Add ( sout_stream_t *, es_format_t * );
 static int               Del ( sout_stream_t *, sout_stream_id_t * );
 static int               Send( sout_stream_t *, sout_stream_id_t *, sout_buffer_t* );
 
@@ -66,19 +65,42 @@ static int  transcode_video_ffmpeg_process( sout_stream_t *, sout_stream_id_t *,
 
 static int  transcode_video_ffmpeg_getframebuf( struct AVCodecContext *, AVFrame *);
 
+static int  EncoderThread( struct sout_stream_sys_t * p_sys );
+
+static int pi_channels_maps[6] =
+{
+    0,
+    AOUT_CHAN_CENTER,   AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+    AOUT_CHAN_CENTER | AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_REARLEFT
+     | AOUT_CHAN_REARRIGHT,
+    AOUT_CHAN_LEFT | AOUT_CHAN_RIGHT | AOUT_CHAN_CENTER
+     | AOUT_CHAN_REARLEFT | AOUT_CHAN_REARRIGHT
+};
+
 /*****************************************************************************
  * Module descriptor
  *****************************************************************************/
 vlc_module_begin();
-    set_description( _("Transcode stream") );
+    set_description( _("Transcode stream output") );
     set_capability( "sout stream", 50 );
     add_shortcut( "transcode" );
     set_callbacks( Open, Close );
 vlc_module_end();
 
+#define PICTURE_RING_SIZE 64
+
 struct sout_stream_sys_t
 {
-    sout_stream_t   *p_out;
+    VLC_COMMON_MEMBERS
+
+    sout_stream_t * p_out;
+    sout_stream_id_t * id_video;
+    sout_buffer_t * p_buffers;
+    vlc_mutex_t     lock_out;
+    vlc_cond_t      cond;
+    picture_t *     pp_pics[PICTURE_RING_SIZE];
+    int             i_first_pic, i_last_pic;
 
     vlc_fourcc_t    i_acodec;   /* codec audio (0 if not transcode) */
     int             i_sample_rate;
@@ -88,6 +110,7 @@ struct sout_stream_sys_t
     vlc_fourcc_t    i_vcodec;   /*    "   video  " "   "      " */
     int             i_vbitrate;
     int             i_vtolerance;
+    double          f_scale;
     int             i_width;
     int             i_height;
     int             i_b_frames;
@@ -96,6 +119,17 @@ struct sout_stream_sys_t
     int             i_qmax;
     vlc_bool_t      i_hq;
     vlc_bool_t      b_deinterlace;
+    vlc_bool_t      b_interlace;
+    vlc_bool_t      b_strict_rc;
+    vlc_bool_t      b_pre_me;
+    vlc_bool_t      b_hurry_up;
+    int             i_rc_buffer_size;
+    float           f_rc_buffer_aggressivity;
+    float           f_i_quant_factor;
+    int             i_noise_reduction;
+    vlc_bool_t      b_mpeg4_matrix;
+    int             i_threads;
+    vlc_bool_t      b_trellis;
 
     int             i_crop_top;
     int             i_crop_bottom;
@@ -104,9 +138,6 @@ struct sout_stream_sys_t
 
     mtime_t         i_input_pts;
     mtime_t         i_output_pts;
-    mtime_t         i_last_ref_pts;
-
-    mtime_t         i_buggy_pts_detect;
 };
 
 /*****************************************************************************
@@ -118,41 +149,31 @@ static int Open( vlc_object_t *p_this )
     sout_stream_sys_t *p_sys;
     char *codec;
 
-    p_sys = malloc( sizeof( sout_stream_sys_t ) );
+    p_sys = vlc_object_create( p_this, sizeof( sout_stream_sys_t ) );
     p_sys->p_out = sout_stream_new( p_stream->p_sout, p_stream->psz_next );
 
-    p_sys->i_acodec      = 0;
-    p_sys->i_sample_rate = 0;
-    p_sys->i_channels    = 0;
-    p_sys->i_abitrate    = 0;
-
-    p_sys->i_vcodec     = 0;
-    p_sys->i_vbitrate   = 0;
+    p_sys->f_scale      = 1;
     p_sys->i_vtolerance = -1;
-    p_sys->i_width      = 0;
-    p_sys->i_height     = 0;
     p_sys->i_key_int    = -1;
-    p_sys->i_b_frames   = 0;
     p_sys->i_qmin       = 2;
     p_sys->i_qmax       = 31;
+    p_sys->f_i_quant_factor = 0.0;
 #if LIBAVCODEC_BUILD >= 4673
     p_sys->i_hq         = FF_MB_DECISION_SIMPLE;
 #else
     p_sys->i_hq         = VLC_FALSE;
 #endif
-    p_sys->b_deinterlace= VLC_FALSE;
-
-    p_sys->i_crop_top   = 0;
-    p_sys->i_crop_bottom= 0;
-    p_sys->i_crop_right = 0;
-    p_sys->i_crop_left  = 0;
+    p_sys->i_rc_buffer_size = 224*1024*8 * 3/2;
+    p_sys->f_rc_buffer_aggressivity = 0.1;
+    p_sys->i_threads = 0;
+    p_sys->b_trellis = 0;
 
     if( ( codec = sout_cfg_find_value( p_stream->p_cfg, "acodec" ) ) )
     {
         char fcc[4] = "    ";
         char *val;
 
-        memcpy( fcc, codec, strlen( codec ) );
+        memcpy( fcc, codec, __MIN( strlen( codec ), 4 ) );
 
         p_sys->i_acodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 
@@ -175,7 +196,7 @@ static int Open( vlc_object_t *p_this )
 
         msg_Dbg( p_stream, "codec audio=%4.4s %dHz %d channels %dKb/s", fcc,
                  p_sys->i_sample_rate, p_sys->i_channels,
-                 p_sys->i_abitrate / 1024 );
+                 p_sys->i_abitrate / 1000 );
     }
 
     if( ( codec = sout_cfg_find_value( p_stream->p_cfg, "vcodec" ) ) )
@@ -183,10 +204,14 @@ static int Open( vlc_object_t *p_this )
         char fcc[4] = "    ";
         char *val;
 
-        memcpy( fcc, codec, strlen( codec ) );
+        memcpy( fcc, codec, __MIN( strlen( codec ), 4 ) );
 
         p_sys->i_vcodec = VLC_FOURCC( fcc[0], fcc[1], fcc[2], fcc[3] );
 
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "scale" ) ) )
+        {
+            p_sys->f_scale = atof( val );
+        }
         if( ( val = sout_cfg_find_value( p_stream->p_cfg, "width" ) ) )
         {
             p_sys->i_width = atoi( val );
@@ -211,6 +236,44 @@ static int Open( vlc_object_t *p_this )
         {
             p_sys->b_deinterlace = VLC_TRUE;
         }
+        if( sout_cfg_find( p_stream->p_cfg, "interlace" ) )
+        {
+            p_sys->b_interlace = VLC_TRUE;
+        }
+        if( sout_cfg_find( p_stream->p_cfg, "strict_rc" ) )
+        {
+            p_sys->b_strict_rc = VLC_TRUE;
+        }
+        if( sout_cfg_find( p_stream->p_cfg, "pre_me" ) )
+        {
+            p_sys->b_pre_me = VLC_TRUE;
+        }
+        if( sout_cfg_find( p_stream->p_cfg, "hurry_up" ) )
+        {
+            p_sys->b_hurry_up = VLC_TRUE;
+            /* hurry up mode needs noise reduction, even small */
+            p_sys->i_noise_reduction = 1;
+        }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "rc_buffer_size" ) ) )
+        {
+            p_sys->i_rc_buffer_size = atoi( val );
+        }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "rc_buffer_aggressivity" ) ) )
+        {
+            p_sys->f_rc_buffer_aggressivity = atof( val );
+        }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "i_quant_factor" ) ) )
+        {
+            p_sys->f_i_quant_factor = atof( val );
+        }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "noise_reduction" ) ) )
+        {
+            p_sys->i_noise_reduction = atoi( val );
+        }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "mpeg4_matrix" ) ) )
+        {
+            p_sys->b_mpeg4_matrix = VLC_TRUE;
+        }
         /* crop */
         if( ( val = sout_cfg_find_value( p_stream->p_cfg, "croptop" ) ) )
         {
@@ -270,11 +333,18 @@ static int Open( vlc_object_t *p_this )
         {
             p_sys->i_qmax   = atoi( val );
         }
+        if( ( val = sout_cfg_find_value( p_stream->p_cfg, "threads" ) ) )
+        {
+            p_sys->i_threads = atoi( val );
+        }
+        if( sout_cfg_find( p_stream->p_cfg, "trellis" ) )
+        {
+            p_sys->b_trellis = VLC_TRUE;
+        }
 
-        msg_Dbg( p_stream, "codec video=%4.4s %dx%d %dkb/s",
-                 fcc,
-                 p_sys->i_width, p_sys->i_height,
-                 p_sys->i_vbitrate / 1024 );
+        msg_Dbg( p_stream, "codec video=%4.4s %dx%d scaling: %f %dkb/s",
+                 fcc, p_sys->i_width, p_sys->i_height, p_sys->f_scale,
+                 p_sys->i_vbitrate / 1000 );
     }
 
     if( !p_sys->p_out )
@@ -283,10 +353,10 @@ static int Open( vlc_object_t *p_this )
         free( p_sys );
         return VLC_EGENERIC;
     }
+
     p_stream->pf_add    = Add;
     p_stream->pf_del    = Del;
     p_stream->pf_send   = Send;
-
     p_stream->p_sys     = p_sys;
 
     avcodec_init();
@@ -301,71 +371,50 @@ static int Open( vlc_object_t *p_this )
 /*****************************************************************************
  * Close:
  *****************************************************************************/
-
 static void Close( vlc_object_t * p_this )
 {
     sout_stream_t       *p_stream = (sout_stream_t*)p_this;
     sout_stream_sys_t   *p_sys = p_stream->p_sys;
 
     sout_stream_delete( p_sys->p_out );
-    free( p_sys );
+    vlc_object_destroy( p_sys );
 }
 
 struct sout_stream_id_t
 {
     vlc_fourcc_t  b_transcode;
-    sout_format_t f_src;        /* only if transcoding */
-    sout_format_t f_dst;        /*  "   "      " */
+    es_format_t f_src;        /* only if transcoding */
+    es_format_t f_dst;        /*  "   "      " */
+    unsigned int  i_inter_pixfmt; /* intermediary format when transcoding */
 
     /* id of the out stream */
     void *id;
 
+    /* Encoder */
+    encoder_t       *p_encoder;
+    vlc_fourcc_t    b_enc_inited;
+
     /* ffmpeg part */
     AVCodec         *ff_dec;
     AVCodecContext  *ff_dec_c;
 
-
-    vlc_fourcc_t    b_enc_inited;
-    AVCodec         *ff_enc;
-    AVCodecContext  *ff_enc_c;
-
     mtime_t         i_dts;
     mtime_t         i_length;
 
-    int             i_buffer_in;
-    int             i_buffer_in_pos;
-    uint8_t         *p_buffer_in;
-
     int             i_buffer;
     int             i_buffer_pos;
     uint8_t         *p_buffer;
 
-    int             i_buffer_out;
-    int             i_buffer_out_pos;
-    uint8_t         *p_buffer_out;
-
     AVFrame         *p_ff_pic;
     AVFrame         *p_ff_pic_tmp0; /* to do deinterlace */
     AVFrame         *p_ff_pic_tmp1; /* to do pix conversion */
     AVFrame         *p_ff_pic_tmp2; /* to do resample */
 
     ImgReSampleContext *p_vresample;
-
-#ifdef HAVE_VORBIS_VORBISENC_H
-
-    /* Vorbis part */
-    vorbis_info      *p_vi;
-    vorbis_dsp_state *p_vd;
-    vorbis_block     *p_vb;
-    vorbis_comment   *p_vc;
-    int              i_last_block_size;
-    int              i_samples_delay;
-    vlc_bool_t       b_headers_sent;
-#endif
 };
 
 
-static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
+static sout_stream_id_t * Add( sout_stream_t *p_stream, es_format_t *p_fmt )
 {
     sout_stream_sys_t   *p_sys = p_stream->p_sys;
     sout_stream_id_t    *id;
@@ -373,25 +422,29 @@ static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
     id = malloc( sizeof( sout_stream_id_t ) );
     id->i_dts = 0;
     id->id = NULL;
+    id->p_encoder = NULL;
+
     if( p_fmt->i_cat == AUDIO_ES && p_sys->i_acodec != 0 )
     {
         msg_Dbg( p_stream,
                  "creating audio transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
-                 (char*)&p_fmt->i_fourcc,
+                 (char*)&p_fmt->i_codec,
                  (char*)&p_sys->i_acodec );
 
         /* src format */
-        memcpy( &id->f_src, p_fmt, sizeof( sout_format_t ) );
+        memcpy( &id->f_src, p_fmt, sizeof( es_format_t ) );
 
         /* create dst format */
-        id->f_dst.i_cat    = AUDIO_ES;
-        id->f_dst.i_fourcc = p_sys->i_acodec;
-        id->f_dst.i_sample_rate = p_sys->i_sample_rate  > 0 ? p_sys->i_sample_rate : id->f_src.i_sample_rate;
-        id->f_dst.i_channels    = p_sys->i_channels > 0 ? p_sys->i_channels : id->f_src.i_channels;
+        es_format_Init( &id->f_dst, AUDIO_ES, p_sys->i_acodec );
+        id->f_dst.i_id    = id->f_src.i_id;
+        id->f_dst.i_group = id->f_src.i_group;
+        if( id->f_src.psz_language ) id->f_dst.psz_language = strdup( id->f_src.psz_language );
+        id->f_dst.audio.i_rate = p_sys->i_sample_rate  > 0 ? p_sys->i_sample_rate : id->f_src.audio.i_rate;
+        id->f_dst.audio.i_channels    = p_sys->i_channels > 0 ? p_sys->i_channels : id->f_src.audio.i_channels;
         id->f_dst.i_bitrate     = p_sys->i_abitrate > 0 ? p_sys->i_abitrate : 64000;
-        id->f_dst.i_block_align = 0;
-        id->f_dst.i_extra_data  = 0;
-        id->f_dst.p_extra_data  = NULL;
+        id->f_dst.audio.i_blockalign = 0;
+        id->f_dst.i_extra  = 0;
+        id->f_dst.p_extra  = NULL;
 
         /* build decoder -> filter -> encoder */
         if( transcode_audio_ffmpeg_new( p_stream, id ) )
@@ -415,19 +468,21 @@ static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
     {
         msg_Dbg( p_stream,
                  "creating video transcoding from fcc=`%4.4s' to fcc=`%4.4s'",
-                 (char*)&p_fmt->i_fourcc,
+                 (char*)&p_fmt->i_codec,
                  (char*)&p_sys->i_vcodec );
 
-        memcpy( &id->f_src, p_fmt, sizeof( sout_format_t ) );
+        memcpy( &id->f_src, p_fmt, sizeof( es_format_t ) );
 
         /* create dst format */
-        id->f_dst.i_cat         = VIDEO_ES;
-        id->f_dst.i_fourcc      = p_sys->i_vcodec;
-        id->f_dst.i_width       = p_sys->i_width ; /* > 0 ? p_sys->i_width : id->f_src.i_width; */
-        id->f_dst.i_height      = p_sys->i_height; /* > 0 ? p_sys->i_height: id->f_src.i_height; */
+        es_format_Init( &id->f_dst, VIDEO_ES, p_sys->i_vcodec );
+        id->f_dst.i_id    = id->f_src.i_id;
+        id->f_dst.i_group = id->f_src.i_group;
+        if( id->f_src.psz_language ) id->f_dst.psz_language = strdup( id->f_src.psz_language );
+        id->f_dst.video.i_width = p_sys->i_width;
+        id->f_dst.video.i_height= p_sys->i_height;
         id->f_dst.i_bitrate     = p_sys->i_vbitrate > 0 ? p_sys->i_vbitrate : 800*1000;
-        id->f_dst.i_extra_data  = 0;
-        id->f_dst.p_extra_data  = NULL;
+        id->f_dst.i_extra       = 0;
+        id->f_dst.p_extra       = NULL;
 
         /* build decoder -> filter -> encoder */
         if( transcode_video_ffmpeg_new( p_stream, id ) )
@@ -444,7 +499,7 @@ static sout_stream_id_t * Add( sout_stream_t *p_stream, sout_format_t *p_fmt )
     }
     else
     {
-        msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')", (char*)&p_fmt->i_fourcc );
+        msg_Dbg( p_stream, "not transcoding a stream (fcc=`%4.4s')", (char*)&p_fmt->i_codec );
         id->id = p_sys->p_out->pf_add( p_sys->p_out, p_fmt );
         id->b_transcode = VLC_FALSE;
 
@@ -490,11 +545,17 @@ static int Send( sout_stream_t *p_stream, sout_stream_id_t *id,
         sout_buffer_t *p_buffer_out;
         if( id->f_src.i_cat == AUDIO_ES )
         {
-            transcode_audio_ffmpeg_process( p_stream, id, p_buffer, &p_buffer_out );
+            transcode_audio_ffmpeg_process( p_stream, id, p_buffer,
+                                            &p_buffer_out );
         }
         else if( id->f_src.i_cat == VIDEO_ES )
         {
-            transcode_video_ffmpeg_process( p_stream, id, p_buffer, &p_buffer_out );
+            if( transcode_video_ffmpeg_process( p_stream, id, p_buffer,
+                &p_buffer_out ) != VLC_SUCCESS )
+            {
+                sout_BufferDelete( p_stream->p_sout, p_buffer );
+                return VLC_EGENERIC;
+            }
         }
         sout_BufferDelete( p_stream->p_sout, p_buffer );
 
@@ -528,6 +589,7 @@ static struct
     /* audio */
     { VLC_FOURCC( 'm', 'p', 'g', 'a' ), CODEC_ID_MP2 },
     { VLC_FOURCC( 'm', 'p', '3', ' ' ), CODEC_ID_MP3LAME },
+    { VLC_FOURCC( 'm', 'p', '4', 'a' ), CODEC_ID_AAC },
     { VLC_FOURCC( 'a', '5', '2', ' ' ), CODEC_ID_AC3 },
     { VLC_FOURCC( 'a', 'c', '3', ' ' ), CODEC_ID_AC3 },
     { VLC_FOURCC( 'w', 'm', 'a', '1' ), CODEC_ID_WMAV1 },
@@ -536,8 +598,12 @@ static struct
     { VLC_FOURCC( 'a', 'l', 'a', 'w' ), CODEC_ID_PCM_ALAW },
 
     /* video */
-    { VLC_FOURCC( 'm', 'p', '4', 'v'),  CODEC_ID_MPEG4 },
     { VLC_FOURCC( 'm', 'p', 'g', 'v' ), CODEC_ID_MPEG1VIDEO },
+    { VLC_FOURCC( 'm', 'p', '1', 'v' ), CODEC_ID_MPEG1VIDEO },
+#if LIBAVCODEC_BUILD >= 4676
+    { VLC_FOURCC( 'm', 'p', '2', 'v' ), CODEC_ID_MPEG2VIDEO },
+#endif
+    { VLC_FOURCC( 'm', 'p', '4', 'v'),  CODEC_ID_MPEG4 },
     { VLC_FOURCC( 'D', 'I', 'V', '1' ), CODEC_ID_MSMPEG4V1 },
     { VLC_FOURCC( 'D', 'I', 'V', '2' ), CODEC_ID_MSMPEG4V2 },
     { VLC_FOURCC( 'D', 'I', 'V', '3' ), CODEC_ID_MSMPEG4V3 },
@@ -563,6 +629,8 @@ static struct
     { VLC_FOURCC( 'R', 'V', '2', '4' ), CODEC_ID_RAWVIDEO },
     { VLC_FOURCC( 'R', 'V', '3', '2' ), CODEC_ID_RAWVIDEO },
     { VLC_FOURCC( 'Y', 'U', 'Y', '2' ), CODEC_ID_RAWVIDEO },
+    { VLC_FOURCC( 'Y', 'V', '1', '2' ), CODEC_ID_RAWVIDEO },
+    { VLC_FOURCC( 'I', 'Y', 'U', 'V' ), CODEC_ID_RAWVIDEO },
 
     { VLC_FOURCC(   0,   0,   0,   0 ), 0 }
 };
@@ -586,6 +654,8 @@ static inline int get_ff_chroma( vlc_fourcc_t i_chroma )
 {
     switch( i_chroma )
     {
+        case VLC_FOURCC( 'Y', 'V', '1', '2' ):
+        case VLC_FOURCC( 'I', 'Y', 'U', 'V' ):
         case VLC_FOURCC( 'I', '4', '2', '0' ):
             return PIX_FMT_YUV420P;
         case VLC_FOURCC( 'I', '4', '2', '2' ):
@@ -597,7 +667,7 @@ static inline int get_ff_chroma( vlc_fourcc_t i_chroma )
         case VLC_FOURCC( 'R', 'V', '1', '6' ):
             return PIX_FMT_RGB565;
         case VLC_FOURCC( 'R', 'V', '2', '4' ):
-            return PIX_FMT_RGB24;
+            return PIX_FMT_BGR24;
         case VLC_FOURCC( 'R', 'V', '3', '2' ):
             return PIX_FMT_RGBA32;
         case VLC_FOURCC( 'G', 'R', 'E', 'Y' ):
@@ -609,28 +679,61 @@ static inline int get_ff_chroma( vlc_fourcc_t i_chroma )
     }
 }
 
+static inline vlc_fourcc_t get_vlc_chroma( int i_pix_fmt )
+{
+    switch( i_pix_fmt )
+    {
+    case PIX_FMT_YUV420P:
+        return VLC_FOURCC('I','4','2','0');
+    case PIX_FMT_YUV422P:
+        return VLC_FOURCC('I','4','2','2');
+    case PIX_FMT_YUV444P:
+        return VLC_FOURCC('I','4','4','4');
+
+    case PIX_FMT_YUV422:
+        return VLC_FOURCC('Y','U','Y','2');
+
+    case PIX_FMT_RGB555:
+        return VLC_FOURCC('R','V','1','5');
+    case PIX_FMT_RGB565:
+        return VLC_FOURCC('R','V','1','6');
+    case PIX_FMT_RGB24:
+        return VLC_FOURCC('R','V','2','4');
+    case PIX_FMT_RGBA32:
+        return VLC_FOURCC('R','V','3','2');
+    case PIX_FMT_GRAY8:
+        return VLC_FOURCC('G','R','E','Y');
+
+    case PIX_FMT_YUV410P:
+    case PIX_FMT_YUV411P:
+    case PIX_FMT_BGR24:
+    default:
+        return 0;
+    }
+}
+
 static int transcode_audio_ffmpeg_new( sout_stream_t *p_stream,
                                        sout_stream_id_t *id )
 {
     int i_ff_codec;
 
-    if( id->f_src.i_fourcc == VLC_FOURCC('s','1','6','l') ||
-        id->f_src.i_fourcc == VLC_FOURCC('s','1','6','b') ||
-        id->f_src.i_fourcc == VLC_FOURCC('s','8',' ',' ') ||
-        id->f_src.i_fourcc == VLC_FOURCC('u','8',' ',' ') )
+    if( id->f_src.i_codec == VLC_FOURCC('s','1','6','l') ||
+        id->f_src.i_codec == VLC_FOURCC('s','1','6','b') ||
+        id->f_src.i_codec == VLC_FOURCC('s','8',' ',' ') ||
+        id->f_src.i_codec == VLC_FOURCC('u','8',' ',' ') )
     {
         id->ff_dec = NULL;
 
         id->ff_dec_c = avcodec_alloc_context();
-        id->ff_dec_c->sample_rate = id->f_src.i_sample_rate;
-        id->ff_dec_c->channels    = id->f_src.i_channels;
-        id->ff_dec_c->block_align = id->f_src.i_block_align;
+        id->ff_dec_c->sample_rate = id->f_src.audio.i_rate;
+        id->ff_dec_c->channels    = id->f_src.audio.i_channels;
+        id->ff_dec_c->block_align = id->f_src.audio.i_blockalign;
         id->ff_dec_c->bit_rate    = id->f_src.i_bitrate;
     }
     else
     {
         /* find decoder */
-        i_ff_codec = get_ff_codec( id->f_src.i_fourcc );
+        i_ff_codec = get_ff_codec( id->f_src.i_codec );
         if( i_ff_codec == 0 )
         {
             msg_Err( p_stream, "cannot find decoder id" );
@@ -645,13 +748,13 @@ static int transcode_audio_ffmpeg_new( sout_stream_t *p_stream,
         }
 
         id->ff_dec_c = avcodec_alloc_context();
-        id->ff_dec_c->sample_rate = id->f_src.i_sample_rate;
-        id->ff_dec_c->channels    = id->f_src.i_channels;
-        id->ff_dec_c->block_align = id->f_src.i_block_align;
+        id->ff_dec_c->sample_rate = id->f_src.audio.i_rate;
+        id->ff_dec_c->channels    = id->f_src.audio.i_channels;
+        id->ff_dec_c->block_align = id->f_src.audio.i_blockalign;
         id->ff_dec_c->bit_rate    = id->f_src.i_bitrate;
 
-        id->ff_dec_c->extradata_size = id->f_src.i_extra_data;
-        id->ff_dec_c->extradata      = id->f_src.p_extra_data;
+        id->ff_dec_c->extradata_size = id->f_src.i_extra;
+        id->ff_dec_c->extradata      = id->f_src.p_extra;
         if( avcodec_open( id->ff_dec_c, id->ff_dec ) )
         {
             msg_Err( p_stream, "cannot open decoder" );
@@ -659,96 +762,47 @@ static int transcode_audio_ffmpeg_new( sout_stream_t *p_stream,
         }
     }
 
-    /* find encoder */
-    id->i_buffer_in      = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
-    id->i_buffer_in_pos = 0;
-    id->p_buffer_in      = malloc( id->i_buffer_in );
-
     id->i_buffer     = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
     id->i_buffer_pos = 0;
     id->p_buffer     = malloc( id->i_buffer );
 
-    id->i_buffer_out     = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
-    id->i_buffer_out_pos = 0;
-    id->p_buffer_out     = malloc( id->i_buffer_out );
-
     /* Sanity check for audio channels */
-    id->f_dst.i_channels = __MIN( id->f_dst.i_channels, id->f_src.i_channels );
-
-#ifdef HAVE_VORBIS_VORBISENC_H
-    if( id->f_dst.i_fourcc == VLC_FOURCC('v','o','r','b') )
-    {
-        id->p_vi = (vorbis_info *)malloc( sizeof(vorbis_info) );
-        id->p_vd = (vorbis_dsp_state *)malloc( sizeof(vorbis_dsp_state) );
-        id->p_vb = (vorbis_block *)malloc( sizeof(vorbis_block) );
-        id->p_vc = (vorbis_comment *)malloc( sizeof(vorbis_comment) );
-
-        vorbis_info_init( id->p_vi );
+    id->f_dst.audio.i_channels = __MIN( id->f_dst.audio.i_channels, id->f_src.audio.i_channels );
 
-        if( vorbis_encode_setup_managed( id->p_vi, id->f_dst.i_channels,
-              id->f_dst.i_sample_rate, -1, id->f_dst.i_bitrate, -1 ) ||
-            vorbis_encode_ctl( id->p_vi, OV_ECTL_RATEMANAGE_AVG, NULL ) ||
-             vorbis_encode_setup_init( id->p_vi ) ){}
-
-        /* add a comment */
-        vorbis_comment_init( id->p_vc);
-        vorbis_comment_add_tag( id->p_vc, "ENCODER", "VLC media player");
-
-        /* set up the analysis state and auxiliary encoding storage */
-        vorbis_analysis_init( id->p_vd, id->p_vi );
-        vorbis_block_init( id->p_vd, id->p_vb );
-
-        id->b_headers_sent = VLC_FALSE;
-        id->i_last_block_size = 0;
-        id->i_samples_delay = 0;
-
-        return VLC_SUCCESS;
-    }
-#endif
-
-    i_ff_codec = get_ff_codec( id->f_dst.i_fourcc );
-    if( i_ff_codec == 0 )
-    {
-        msg_Err( p_stream, "cannot find encoder id" );
-        return VLC_EGENERIC;
-    }
-
-    id->ff_enc = avcodec_find_encoder( i_ff_codec );
-    if( !id->ff_enc )
+    /* find encoder */
+    id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
+
+    /* Initialization of encoder format structures */
+    es_format_Init( &id->p_encoder->fmt_in, AUDIO_ES, AOUT_FMT_S16_NE );
+    id->p_encoder->fmt_in.audio.i_format = AOUT_FMT_S16_NE;
+    id->p_encoder->fmt_in.audio.i_rate = id->f_dst.audio.i_rate;
+    id->p_encoder->fmt_in.audio.i_physical_channels =
+        id->p_encoder->fmt_in.audio.i_original_channels =
+            pi_channels_maps[id->f_dst.audio.i_channels];
+    id->p_encoder->fmt_in.audio.i_channels = id->f_dst.audio.i_channels;
+
+    id->p_encoder->fmt_out = id->p_encoder->fmt_in;
+    id->p_encoder->fmt_out.i_codec = id->f_dst.i_codec;
+    id->p_encoder->fmt_out.i_bitrate = id->f_dst.i_bitrate;
+
+    id->p_encoder->p_module =
+        module_Need( id->p_encoder, "encoder", NULL, 0 );
+    if( !id->p_encoder->p_module )
     {
-        msg_Err( p_stream, "cannot find encoder (avcodec)" );
+        vlc_object_destroy( id->p_encoder );
+        msg_Err( p_stream, "cannot open encoder" );
         return VLC_EGENERIC;
     }
 
-    /* Hack for mp3 transcoding support */
-    if( id->f_dst.i_fourcc == VLC_FOURCC( 'm','p','3',' ' ) )
-    {
-        id->f_dst.i_fourcc = VLC_FOURCC( 'm','p','g','a' );
-    }
+    id->b_enc_inited = VLC_FALSE;
 
-    id->ff_enc_c = avcodec_alloc_context();
-    id->ff_enc_c->bit_rate    = id->f_dst.i_bitrate;
-    id->ff_enc_c->sample_rate = id->f_dst.i_sample_rate;
-    id->ff_enc_c->channels    = id->f_dst.i_channels;
+    id->f_dst.i_extra = id->p_encoder->fmt_out.i_extra;
+    id->f_dst.p_extra = id->p_encoder->fmt_out.p_extra;
 
-    if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
+    /* Hack for mp3 transcoding support */
+    if( id->f_dst.i_codec == VLC_FOURCC( 'm','p','3',' ' ) )
     {
-        if( id->ff_enc_c->channels > 2 )
-        {
-            id->ff_enc_c->channels = 2;
-            id->f_dst.i_channels   = 2;
-            if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
-            {
-                msg_Err( p_stream, "cannot open encoder" );
-                return VLC_EGENERIC;
-            }
-            msg_Warn( p_stream, "stereo mode selected (codec limitation)" );
-        }
-        else
-        {
-            msg_Err( p_stream, "cannot open encoder" );
-            return VLC_EGENERIC;
-        }
+        id->f_dst.i_codec = VLC_FOURCC( 'm','p','g','a' );
     }
 
     return VLC_SUCCESS;
@@ -760,32 +814,13 @@ static void transcode_audio_ffmpeg_close( sout_stream_t *p_stream,
     if( id->ff_dec )
     {
         avcodec_close( id->ff_dec_c );
+        free( id->ff_dec_c );
     }
 
-#ifdef HAVE_VORBIS_VORBISENC_H
-    if( id->f_dst.i_fourcc == VLC_FOURCC('v','o','r','b') )
-    {
-        vorbis_block_clear( id->p_vb );
-        vorbis_dsp_clear( id->p_vd );
-        vorbis_comment_clear( id->p_vc );
-        vorbis_info_clear( id->p_vi );  /* must be called last */
-
-        free( id->p_vi );
-        free( id->p_vd );
-        free( id->p_vb );
-        free( id->p_vc );
-    }
-    else
-#endif
-        avcodec_close( id->ff_enc_c );
+    module_Unneed( id->p_encoder, id->p_encoder->p_module );
+    vlc_object_destroy( id->p_encoder );
 
-    free( id->ff_dec_c );
-    if( id->f_dst.i_fourcc != VLC_FOURCC('v','o','r','b') )
-        free( id->ff_enc_c );
-
-    free( id->p_buffer_in );
     free( id->p_buffer );
-    free( id->p_buffer_out );
 }
 
 static int transcode_audio_ffmpeg_process( sout_stream_t *p_stream,
@@ -793,328 +828,190 @@ static int transcode_audio_ffmpeg_process( sout_stream_t *p_stream,
                                            sout_buffer_t *in,
                                            sout_buffer_t **out )
 {
-    vlc_bool_t b_again = VLC_FALSE;
-
+    aout_buffer_t aout_buf;
+    block_t *p_block;
+    int i_buffer = in->i_size;
+    char *p_buffer = in->p_buffer;
+    id->i_dts = in->i_dts;
     *out = NULL;
 
-    /* gather data into p_buffer_in */
-#ifdef HAVE_VORBIS_VORBISENC_H
-    if( id->f_dst.i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
-    id->i_dts = in->i_dts -
-                (mtime_t)1000000 * (mtime_t)id->i_samples_delay /
-                (mtime_t)id->f_dst.i_sample_rate;
-    else
-#endif
-    id->i_dts = in->i_dts -
-                (mtime_t)1000000 *
-                (mtime_t)(id->i_buffer_pos / 2 / id->ff_dec_c->channels )/
-                (mtime_t)id->ff_dec_c->sample_rate;
-
-    if( id->i_buffer_in_pos + (int)in->i_size > id->i_buffer_in )
-    {
-        /* extend buffer_in */
-        id->i_buffer_in = id->i_buffer_in_pos + in->i_size + 1024;
-        id->p_buffer_in = realloc( id->p_buffer_in, id->i_buffer_in );
-    }
-    memcpy( &id->p_buffer_in[id->i_buffer_in_pos],
-            in->p_buffer, in->i_size );
-    id->i_buffer_in_pos += in->i_size;
-
-    do
+    while( i_buffer )
     {
-        int i_buffer_pos;
+        id->i_buffer_pos = 0;
 
         /* decode as much data as possible */
         if( id->ff_dec )
         {
-            for( ;; )
-            {
-                int i_buffer_size;
-                int i_used;
+            int i_used;
 
-                i_buffer_size = id->i_buffer - id->i_buffer_pos;
+            i_used = avcodec_decode_audio( id->ff_dec_c,
+                         (int16_t*)id->p_buffer, &id->i_buffer_pos,
+                         p_buffer, i_buffer );
 
-                i_used = avcodec_decode_audio( id->ff_dec_c,
-                         (int16_t*)&id->p_buffer[id->i_buffer_pos],
-                         &i_buffer_size, id->p_buffer_in,
-                         id->i_buffer_in_pos );
+#if 0
+            msg_Warn( p_stream, "avcodec_decode_audio: %d used on %d",
+                      i_used, i_buffer );
+#endif
+            if( i_used < 0 )
+            {
+                msg_Warn( p_stream, "error audio decoding");
+                break;
+            }
 
-                /* msg_Warn( p_stream, "avcodec_decode_audio: %d used",
-                             i_used ); */
-                id->i_buffer_pos += i_buffer_size;
+            i_buffer -= i_used;
+            p_buffer += i_used;
 
-                if( i_used < 0 )
-                {
-                    msg_Warn( p_stream, "error");
-                    id->i_buffer_in_pos = 0;
-                    break;
-                }
-                else if( i_used < id->i_buffer_in_pos )
-                {
-                    memmove( id->p_buffer_in,
-                             &id->p_buffer_in[i_used],
-                             id->i_buffer_in - i_used );
-                    id->i_buffer_in_pos -= i_used;
-                }
-                else
-                {
-                    id->i_buffer_in_pos = 0;
-                    break;
-                }
-
-                if( id->i_buffer_pos >= AVCODEC_MAX_AUDIO_FRAME_SIZE )
-                {
-                    /* buffer full */
-                    b_again = VLC_TRUE;
-                    break;
-                }
+            if ( id->i_buffer_pos < 0 )
+            {
+                msg_Warn( p_stream, "weird error audio decoding");
+                break;
             }
         }
         else
         {
-            int16_t *sout  = (int16_t*)&id->p_buffer[id->i_buffer_pos];
-            int     i_used = 0;
+            int16_t *sout = (int16_t*)id->p_buffer;
 
-            if( id->f_src.i_fourcc == VLC_FOURCC( 's', '8', ' ', ' ' ) )
-            {
-                int8_t *sin = (int8_t*)id->p_buffer_in;
-                int     i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
-                                           / 2, id->i_buffer_in_pos );
-                i_used = i_samples;
-                while( i_samples > 0 )
-                {
-                    *sout++ = ( *sin++ ) << 8;
-                    i_samples--;
-                }
-            }
-            else if( id->f_src.i_fourcc == VLC_FOURCC( 'u', '8', ' ', ' ' ) )
-            {
-                int8_t *sin = (int8_t*)id->p_buffer_in;
-                int     i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
-                                           / 2, id->i_buffer_in_pos );
-                i_used = i_samples;
-                while( i_samples > 0 )
-                {
-                    *sout++ = ( *sin++ - 128 ) << 8;
-                    i_samples--;
-                }
-            }
-            else if( id->f_src.i_fourcc == VLC_FOURCC( 's', '1', '6', 'l' ) )
+            if( id->f_src.i_codec == VLC_FOURCC( 's', '8', ' ', ' ' ) ||
+                id->f_src.i_codec == VLC_FOURCC( 'u', '8', ' ', ' ' ) )
             {
-                int     i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
-                                           / 2, id->i_buffer_in_pos / 2);
-#ifdef WORDS_BIGENDIAN
-                uint8_t *sin = (uint8_t*)id->p_buffer_in;
-                i_used = i_samples * 2;
-                while( i_samples > 0 )
-                {
-                    uint8_t tmp[2];
+                int8_t *sin = (int8_t*)p_buffer;
+                int i_used = __MIN( id->i_buffer/2, i_buffer );
+                int i_samples = i_used;
 
-                    tmp[1] = *sin++;
-                    tmp[0] = *sin++;
-                    *sout++ = *(int16_t*)tmp;
-                    i_samples--;
-                }
+                if( id->f_src.i_codec == VLC_FOURCC( 's', '8', ' ', ' ' ) )
+                    while( i_samples > 0 )
+                    {
+                        *sout++ = ( *sin++ ) << 8;
+                        i_samples--;
+                    }
+                else
+                    while( i_samples > 0 )
+                    {
+                        *sout++ = ( *sin++ - 128 ) << 8;
+                        i_samples--;
+                    }
 
-#else
-                memcpy( sout, id->p_buffer_in, i_samples * 2 );
-                sout += i_samples;
-                i_used = i_samples * 2;
-#endif
+                i_buffer -= i_used;
+                p_buffer += i_used;
+                id->i_buffer_pos = i_used * 2;
             }
-            else if( id->f_src.i_fourcc == VLC_FOURCC( 's', '1', '6', 'b' ) )
+            else if( id->f_src.i_codec == VLC_FOURCC( 's', '1', '6', 'l' ) ||
+                     id->f_src.i_codec == VLC_FOURCC( 's', '1', '6', 'b' ) )
             {
-                int     i_samples = __MIN( ( id->i_buffer - id->i_buffer_pos )
-                                           / 2, id->i_buffer_in_pos / 2);
+                int16_t *sin = (int16_t*)p_buffer;
+                int i_used = __MIN( id->i_buffer, i_buffer );
+                int i_samples = i_used / 2;
+
+                /* first copy */
+                memcpy( sout, sin, i_used );
+
 #ifdef WORDS_BIGENDIAN
-                memcpy( sout, id->p_buffer_in, i_samples * 2 );
-                sout += i_samples;
-                i_used = i_samples * 2;
+                if( id->f_src.i_codec == VLC_FOURCC( 's', '1', '6', 'l' ) )
 #else
-                uint8_t *sin = (uint8_t*)id->p_buffer_in;
-                i_used = i_samples * 2;
-                while( i_samples > 0 )
+                if( id->f_src.i_codec == VLC_FOURCC( 's', '1', '6', 'b' ) )
+#endif
                 {
-                    uint8_t tmp[2];
+                    uint8_t *dat = (uint8_t*)sout;
+
+                    while( i_samples > 0 )
+                    {
+                        uint8_t tmp;
+                        tmp    = dat[0];
+                        dat[0] = dat[1];
+                        dat[1] = tmp;
+
+                        dat += 2;
 
-                    tmp[1] = *sin++;
-                    tmp[0] = *sin++;
-                    *sout++ = *(int16_t*)tmp;
-                    i_samples--;
+                        i_samples--;
+                    }
                 }
-#endif
-            }
 
-            id->i_buffer_pos = (uint8_t*)sout - id->p_buffer;
-            if( i_used < id->i_buffer_in_pos )
-            {
-                memmove( id->p_buffer_in,
-                         &id->p_buffer_in[i_used],
-                         id->i_buffer_in - i_used );
+                i_buffer -= i_used;
+                p_buffer += i_used;
+                id->i_buffer_pos = i_used;
             }
-            id->i_buffer_in_pos -= i_used;
         }
 
-        i_buffer_pos = id->i_buffer_pos;
+        if( id->i_buffer_pos == 0 ) continue;
 
-        /* encode as much data as possible */
-
-#ifdef HAVE_VORBIS_VORBISENC_H
-        if( id->i_buffer_pos == 0 );
-        else if( id->f_dst.i_fourcc == VLC_FOURCC( 'v', 'o', 'r', 'b' ) )
+        /* Encode as much data as possible */
+        if( !id->b_enc_inited && id->p_encoder->pf_header )
         {
-            float **buffer;
-            int i, j, i_samples;
-            sout_buffer_t *p_out;
-            ogg_packet op;
-
-            if( !id->b_headers_sent )
+            p_block = id->p_encoder->pf_header( id->p_encoder );
+            while( p_block )
             {
-                ogg_packet header[3];
-                vorbis_analysis_headerout( id->p_vd, id->p_vc,
-                                           &header[0], &header[1], &header[2]);
-                for( i = 0; i < 3; i++ )
-                {
-                    p_out = sout_BufferNew( p_stream->p_sout, header[i].bytes);
-                    memcpy( p_out->p_buffer, header[i].packet,
-                            header[i].bytes );
-
-                    p_out->i_size = header[i].bytes;
-                    p_out->i_length = 0;
+                sout_buffer_t *p_out;
+                block_t *p_prev_block = p_block;
 
-                    p_out->i_dts = p_out->i_pts = 0;
+                p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
+                memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
+                p_out->i_dts = p_out->i_pts = in->i_dts;
+                p_out->i_length = 0;
+                sout_BufferChain( out, p_out );
 
-                    sout_BufferChain( out, p_out );
-                }
-                id->b_headers_sent = VLC_TRUE;
+                p_block = p_block->p_next;
+                block_Release( p_prev_block );
             }
 
-            i_samples = id->i_buffer_pos / id->f_src.i_channels / 2;
-            id->i_samples_delay += i_samples;
-            id->i_buffer_pos = 0;
+            id->b_enc_inited = VLC_TRUE;
+        }
 
-            buffer = vorbis_analysis_buffer( id->p_vd, i_samples );
+        aout_buf.p_buffer = id->p_buffer;
+        aout_buf.i_nb_bytes = id->i_buffer_pos;
+        aout_buf.i_nb_samples = id->i_buffer_pos / 2 / id->f_src.audio.i_channels;
+        aout_buf.start_date = id->i_dts;
+        aout_buf.end_date = id->i_dts;
 
-            /* convert samples to float and uninterleave */
-            for( i = 0; i < id->f_dst.i_channels; i++ )
-            {
-                for( j = 0 ; j < i_samples ; j++ )
-                {
-                    buffer[i][j]= ((float)( ((int16_t *)id->p_buffer)
-                                  [j*id->f_src.i_channels + i ] ))/ 32768.f;
-                }
-            }
+        id->i_dts += ( I64C(1000000) * id->i_buffer_pos / 2 /
+            id->f_src.audio.i_channels / id->f_src.audio.i_rate );
 
-            vorbis_analysis_wrote( id->p_vd, i_samples );
-
-            while( vorbis_analysis_blockout( id->p_vd, id->p_vb ) == 1 )
+        if( id->f_src.audio.i_channels !=
+            id->p_encoder->fmt_in.audio.i_channels )
+        {
+            unsigned int i;
+            int j;
+
+            /* This is for liba52 which is what ffmpeg uses to decode ac3 */
+            static const int translation[7][6] =
+            {{ 0, 0, 0, 0, 0, 0 },      /* 0 channels (rarely used) */
+             { 0, 0, 0, 0, 0, 0 },       /* 1 ch */
+             { 0, 1, 0, 0, 0, 0 },       /* 2 */
+             { 1, 2, 0, 0, 0, 0 },       /* 3 */
+             { 1, 3, 2, 0, 0, 0 },       /* 4 */
+             { 1, 3, 4, 2, 0, 0 },       /* 5 */
+             { 1, 3, 4, 5, 2, 0 }};      /* 6 */
+
+            /* dumb downmixing */
+            for( i = 0; i < aout_buf.i_nb_samples; i++ )
             {
-                vorbis_analysis( id->p_vb, NULL );
-                vorbis_bitrate_addblock( id->p_vb );
-
-                while( vorbis_bitrate_flushpacket( id->p_vd, &op ) )
+                uint16_t *p_buffer = (uint16_t *)aout_buf.p_buffer;
+                for( j = 0 ; j < id->p_encoder->fmt_in.audio.i_channels; j++ )
                 {
-                    int i_block_size;
-                    p_out = sout_BufferNew( p_stream->p_sout, op.bytes );
-                    memcpy( p_out->p_buffer, op.packet, op.bytes );
-
-                    i_block_size = vorbis_packet_blocksize( id->p_vi, &op );
-
-                    if( i_block_size < 0 ) i_block_size = 0;
-                    i_samples = ( id->i_last_block_size +
-                                  i_block_size ) >> 2;
-                    id->i_last_block_size = i_block_size;
-
-                    p_out->i_size = op.bytes;
-                    p_out->i_length = (mtime_t)1000000 *
-                      (mtime_t)i_samples /
-                      (mtime_t)id->f_dst.i_sample_rate;
-
-                    //msg_Err( p_stream, "i_dts: %lld", id->i_dts );
-
-                    /* FIXME */
-                    p_out->i_dts = id->i_dts;
-                    p_out->i_pts = id->i_dts;
-
-                    id->i_samples_delay -= i_samples;
-
-                    /* update dts */
-                    id->i_dts += p_out->i_length;
-                    sout_BufferChain( out, p_out );
-
+                    p_buffer[i*id->p_encoder->fmt_in.audio.i_channels+j] =
+                        p_buffer[i*id->f_src.audio.i_channels+
+                                 translation[id->f_src.audio.i_channels][j]];
                 }
             }
+            aout_buf.i_nb_bytes = i*id->p_encoder->fmt_in.audio.i_channels * 2;
         }
-        else
-#endif
 
-        for( ;; )
+        p_block = id->p_encoder->pf_encode_audio( id->p_encoder, &aout_buf );
+        while( p_block )
         {
-            int i_frame_size = id->ff_enc_c->frame_size * 2 *
-                                 id->ff_dec_c->channels;
-            int i_out_size, i, j;
             sout_buffer_t *p_out;
-            int16_t *p_buffer = (int16_t *)(id->p_buffer + i_buffer_pos -
-                                            id->i_buffer_pos);
-
-            if( id->i_buffer_pos < i_frame_size )
-            {
-                break;
-            }
-
-            if( id->ff_dec_c->channels != id->ff_enc_c->channels )
-            {
-                /* dumb downmixing */
-                for( i = 0; i < id->ff_enc_c->frame_size; i++ )
-                {
-                    for( j = 0 ; j < id->f_dst.i_channels; j++ )
-                    {
-                        p_buffer[i*id->f_dst.i_channels+j] = p_buffer[i*id->f_src.i_channels+j];
-                    }
-                }
-            }
-
-            /* msg_Warn( p_stream, "avcodec_encode_audio: frame size%d",
-                         i_frame_size); */
-            i_out_size = avcodec_encode_audio( id->ff_enc_c,
-                           id->p_buffer_out, id->i_buffer_out, p_buffer );
-
-            if( i_out_size <= 0 )
-            {
-                break;
-            }
-
-            id->i_buffer_pos -= i_frame_size;
-
-            p_out = sout_BufferNew( p_stream->p_sout, i_out_size );
-            memcpy( p_out->p_buffer, id->p_buffer_out, i_out_size );
-            p_out->i_size = i_out_size;
-            p_out->i_length = (mtime_t)1000000 *
-                              (mtime_t)id->ff_enc_c->frame_size /
-                              (mtime_t)id->ff_enc_c->sample_rate;
-
-            /* FIXME */
-            p_out->i_dts = id->i_dts;
-            p_out->i_pts = id->i_dts;
-
-            /* update dts */
-            id->i_dts += p_out->i_length;
-
-           /* msg_Warn( p_stream, "frame dts=%lld len %lld out=%d",
-                        p_out->i_dts, p_out->i_length, i_out_size ); */
+            block_t *p_prev_block = p_block;
 
+            p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
+            memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
+            p_out->i_dts = p_block->i_dts;
+            p_out->i_pts = p_block->i_pts;
+            p_out->i_length = p_block->i_length;
             sout_BufferChain( out, p_out );
-        }
 
-        /* Copy the remaining raw samples */
-        if( id->i_buffer_pos != 0 )
-        {
-            memmove( id->p_buffer,
-                     &id->p_buffer[i_buffer_pos - id->i_buffer_pos],
-                     id->i_buffer_pos );
+            p_block = p_block->p_next;
+            block_Release( p_prev_block );
         }
-
-    } while( b_again );
+    }
 
     return VLC_SUCCESS;
 }
@@ -1130,26 +1027,39 @@ static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
 
     int i_ff_codec;
 
-    if( id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '2', '0' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '2', '2' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'I', '4', '4', '4' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'Y', 'U', 'Y', '2' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '5' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '1', '6' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '2', '4' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'R', 'V', '3', '2' ) ||
-        id->f_src.i_fourcc == VLC_FOURCC( 'G', 'R', 'E', 'Y' ) )
+    /* Open decoder */
+    if( id->f_src.i_codec == VLC_FOURCC( 'I', '4', '2', '0' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'I', '4', '2', '2' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'I', '4', '4', '4' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'Y', 'V', '1', '2' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'Y', 'U', 'Y', '2' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'I', 'Y', 'U', 'V' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'R', 'V', '1', '5' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'R', 'V', '1', '6' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'R', 'V', '2', '4' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'R', 'V', '3', '2' ) ||
+        id->f_src.i_codec == VLC_FOURCC( 'G', 'R', 'E', 'Y' ) )
     {
-        id->ff_dec   = NULL;
+        id->ff_dec              = NULL;
         id->ff_dec_c            = avcodec_alloc_context();
-        id->ff_dec_c->width     = id->f_src.i_width;
-        id->ff_dec_c->height    = id->f_src.i_height;
-        id->ff_dec_c->pix_fmt   = get_ff_chroma( id->f_src.i_fourcc );
+        id->ff_dec_c->width     = id->f_src.video.i_width;
+        id->ff_dec_c->height    = id->f_src.video.i_height;
+        id->ff_dec_c->pix_fmt   = get_ff_chroma( id->f_src.i_codec );
+
+#if LIBAVCODEC_BUILD >= 4687
+        if( id->ff_dec_c->width )
+        id->ff_dec_c->sample_aspect_ratio =
+            av_d2q( id->f_src.video.i_aspect / (double)VOUT_ASPECT_FACTOR *
+                    id->ff_dec_c->height / id->ff_dec_c->width, 255 );
+#else
+        id->ff_dec_c->aspect_ratio =
+            id->f_src.video.i_aspect / (float)VOUT_ASPECT_FACTOR;
+#endif
     }
     else
     {
         /* find decoder */
-        i_ff_codec = get_ff_codec( id->f_src.i_fourcc );
+        i_ff_codec = get_ff_codec( id->f_src.i_codec );
         if( i_ff_codec == 0 )
         {
             msg_Err( p_stream, "cannot find decoder" );
@@ -1164,11 +1074,56 @@ static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
         }
 
         id->ff_dec_c = avcodec_alloc_context();
-        id->ff_dec_c->width         = id->f_src.i_width;
-        id->ff_dec_c->height        = id->f_src.i_height;
+        id->ff_dec_c->width         = id->f_src.video.i_width;
+        id->ff_dec_c->height        = id->f_src.video.i_height;
+        id->ff_dec_c->bits_per_sample=id->f_src.video.i_bits_per_pixel;
         /* id->ff_dec_c->bit_rate      = id->f_src.i_bitrate; */
-        id->ff_dec_c->extradata_size= id->f_src.i_extra_data;
-        id->ff_dec_c->extradata     = id->f_src.p_extra_data;
+
+        if( id->f_src.i_extra > 0 )
+        {
+            if( i_ff_codec == CODEC_ID_SVQ3 )
+            {
+                int i_size = id->f_src.i_extra;
+                uint8_t *p;
+
+                id->ff_dec_c->extradata_size = i_size + 12;
+                p = id->ff_dec_c->extradata  = malloc( i_size + 12 );
+
+                memcpy( &p[0],  "SVQ3", 4 );
+                memset( &p[4], 0, 8 );
+                memcpy( &p[12], id->f_src.p_extra, i_size );
+
+                /* Now remove all atoms before the SMI one */
+                if( id->ff_dec_c->extradata_size > 0x5a && strncmp( &p[0x56], "SMI ", 4 ) )
+                {
+                    uint8_t *psz = &p[0x52];
+
+                    while( psz < &p[id->ff_dec_c->extradata_size - 8] )
+                    {
+                        int i_size = GetDWBE( psz );
+                        if( i_size <= 1 )
+                        {
+                            /* FIXME handle 1 as long size */
+                            break;
+                        }
+                        if( !strncmp( &psz[4], "SMI ", 4 ) )
+                        {
+                            memmove( &p[0x52], psz, &p[id->ff_dec_c->extradata_size] - psz );
+                            break;
+                        }
+                        psz += i_size;
+                    }
+                }
+            }
+            else
+            {
+                id->ff_dec_c->extradata_size= id->f_src.i_extra;
+                id->ff_dec_c->extradata = malloc( id->f_src.i_extra + FF_INPUT_BUFFER_PADDING_SIZE );
+
+                memcpy( id->ff_dec_c->extradata, id->f_src.p_extra, id->f_src.i_extra );
+                memset( (uint8_t*)id->ff_dec_c->extradata + id->f_src.i_extra, 0, FF_INPUT_BUFFER_PADDING_SIZE );
+            }
+        }
         id->ff_dec_c->workaround_bugs = FF_BUG_AUTODETECT;
         id->ff_dec_c->error_resilience= -1;
         id->ff_dec_c->get_buffer    = transcode_video_ffmpeg_getframebuf;
@@ -1179,7 +1134,7 @@ static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
             msg_Err( p_stream, "cannot open decoder" );
             return VLC_EGENERIC;
         }
-
+#if 0
         if( i_ff_codec == CODEC_ID_MPEG4 && id->ff_dec_c->extradata_size > 0 )
         {
             int b_gotpicture;
@@ -1197,84 +1152,70 @@ static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
                                   id->ff_dec_c->extradata_size );
             free( p_vol );
         }
+#endif
     }
 
+    /* Open encoder */
+    id->p_encoder = vlc_object_create( p_stream, VLC_OBJECT_ENCODER );
 
-    /* find encoder */
-    i_ff_codec = get_ff_codec( id->f_dst.i_fourcc );
-    if( i_ff_codec == 0 )
-    {
-        msg_Err( p_stream, "cannot find encoder" );
-        return VLC_EGENERIC;
-    }
-
-    id->ff_enc = avcodec_find_encoder( i_ff_codec );
-    if( !id->ff_enc )
-    {
-        msg_Err( p_stream, "cannot find encoder" );
-        return VLC_EGENERIC;
-    }
+    /* Initialization of encoder format structures */
+    es_format_Init( &id->p_encoder->fmt_in,
+                    id->f_src.i_cat, get_vlc_chroma(id->ff_dec_c->pix_fmt) );
 
-    id->ff_enc_c = avcodec_alloc_context();
-    id->ff_enc_c->width          = id->f_dst.i_width;
-    id->ff_enc_c->height         = id->f_dst.i_height;
-    id->ff_enc_c->bit_rate       = id->f_dst.i_bitrate;
+    /* The dimensions will be set properly later on.
+     * Just put sensible values so we can test if there is an encoder. */
+    id->p_encoder->fmt_in.video.i_width = 16;
+    id->p_encoder->fmt_in.video.i_height = 16;
 
+    id->p_encoder->fmt_in.video.i_frame_rate = 25; /* FIXME as it break mpeg */
+    id->p_encoder->fmt_in.video.i_frame_rate_base= 1;
     if( id->ff_dec )
     {
-        id->ff_enc_c->frame_rate     = id->ff_dec_c->frame_rate;
+        id->p_encoder->fmt_in.video.i_frame_rate = id->ff_dec_c->frame_rate;
 #if LIBAVCODEC_BUILD >= 4662
-        id->ff_enc_c->frame_rate_base= id->ff_dec_c->frame_rate_base;
-#endif
-    }
-    else
-    {
-#if LIBAVCODEC_BUILD >= 4662
-        id->ff_enc_c->frame_rate     = 25 ; /* FIXME as it break mpeg */
-        id->ff_enc_c->frame_rate_base= 1;
-#else
-        id->ff_enc_c->frame_rate     = 25 * FRAME_RATE_BASE;
+        id->p_encoder->fmt_in.video.i_frame_rate_base =
+            id->ff_dec_c->frame_rate_base;
 #endif
-    }
-
-    id->ff_enc_c->gop_size       = p_sys->i_key_int >= 0 ? p_sys->i_key_int : 50;
-    id->ff_enc_c->max_b_frames   = __MIN( p_sys->i_b_frames, FF_MAX_B_FRAMES );
-    id->ff_enc_c->b_frame_strategy = 0;
-    id->ff_enc_c->b_quant_factor = 2.0;
-
-    if( p_sys->i_vtolerance >= 0 )
-    {
-        id->ff_enc_c->bit_rate_tolerance = p_sys->i_vtolerance;
-    }
-    id->ff_enc_c->qmin           = p_sys->i_qmin;
-    id->ff_enc_c->qmax           = p_sys->i_qmax;
 
-#if LIBAVCODEC_BUILD >= 4673
-    id->ff_enc_c->mb_decision = p_sys->i_hq;
+#if LIBAVCODEC_BUILD >= 4687
+        if( id->ff_dec_c->height )
+        id->p_encoder->fmt_in.video.i_aspect = VOUT_ASPECT_FACTOR *
+            ( av_q2d(id->ff_dec_c->sample_aspect_ratio) *
+              id->ff_dec_c->width / id->ff_dec_c->height );
 #else
-    if( p_sys->i_hq )
-    {
-        id->ff_enc_c->flags      |= CODEC_FLAG_HQ;
-    }
+        id->p_encoder->fmt_in.video.i_aspect = VOUT_ASPECT_FACTOR *
+            id->ff_dec_c->aspect_ratio;
 #endif
+    }
 
-    if( i_ff_codec == CODEC_ID_RAWVIDEO )
+    /* Check whether a particular aspect ratio was requested */
+    if( id->f_src.video.i_aspect )
     {
-        id->ff_enc_c->pix_fmt = get_ff_chroma( id->f_dst.i_fourcc );
+        id->p_encoder->fmt_in.video.i_aspect = id->f_src.video.i_aspect;
+        id->f_dst.video.i_aspect = id->f_src.video.i_aspect;
     }
-    /* XXX open it only when we have the first frame */
-    id->b_enc_inited     = VLC_FALSE;
-    id->i_buffer_in      = 0;
-    id->i_buffer_in_pos  = 0;
-    id->p_buffer_in      = NULL;
 
-    id->i_buffer     = 3*1024*1024;
-    id->i_buffer_pos = 0;
-    id->p_buffer     = malloc( id->i_buffer );
-
-    id->i_buffer_out     = 0;
-    id->i_buffer_out_pos = 0;
-    id->p_buffer_out     = NULL;
+    id->p_encoder->fmt_out = id->p_encoder->fmt_in;
+    id->p_encoder->fmt_out.i_codec = id->f_dst.i_codec;
+    id->p_encoder->fmt_out.i_bitrate = id->f_dst.i_bitrate;
+
+    id->p_encoder->i_vtolerance = p_sys->i_vtolerance;
+    id->p_encoder->i_key_int = p_sys->i_key_int;
+    id->p_encoder->i_b_frames = p_sys->i_b_frames;
+    id->p_encoder->i_qmin = p_sys->i_qmin;
+    id->p_encoder->i_qmax = p_sys->i_qmax;
+    id->p_encoder->i_hq = p_sys->i_hq;
+    id->p_encoder->b_strict_rc = p_sys->b_strict_rc;
+    id->p_encoder->b_pre_me = p_sys->b_pre_me;
+    id->p_encoder->b_hurry_up = p_sys->b_hurry_up;
+    id->p_encoder->b_interlace = p_sys->b_interlace;
+    id->p_encoder->i_rc_buffer_size = p_sys->i_rc_buffer_size;
+    id->p_encoder->f_rc_buffer_aggressivity = p_sys->f_rc_buffer_aggressivity;
+    id->p_encoder->f_i_quant_factor = p_sys->f_i_quant_factor;
+    id->p_encoder->i_noise_reduction = p_sys->i_noise_reduction;
+    id->p_encoder->b_mpeg4_matrix = p_sys->b_mpeg4_matrix;
+    id->p_encoder->i_threads = p_sys->i_threads;
+    id->p_encoder->b_trellis = p_sys->b_trellis;
 
     id->p_ff_pic         = avcodec_alloc_frame();
     id->p_ff_pic_tmp0    = NULL;
@@ -1282,23 +1223,72 @@ static int transcode_video_ffmpeg_new( sout_stream_t *p_stream,
     id->p_ff_pic_tmp2    = NULL;
     id->p_vresample      = NULL;
 
-    p_sys->i_last_ref_pts = 0;
-    p_sys->i_buggy_pts_detect = 0;
+    id->p_encoder->p_module =
+        module_Need( id->p_encoder, "encoder", NULL, 0 );
+
+    if( !id->p_encoder->p_module )
+    {
+        vlc_object_destroy( id->p_encoder );
+        msg_Err( p_stream, "cannot find encoder" );
+        return VLC_EGENERIC;
+    }
+
+    /* Close the encoder.
+     * We'll open it only when we have the first frame */
+    module_Unneed( id->p_encoder, id->p_encoder->p_module );
+    id->p_encoder->p_module = NULL;
+
+    id->b_enc_inited = VLC_FALSE;
+
+    if ( p_sys->i_threads >= 1 )
+    {
+        p_sys->id_video = id;
+        vlc_mutex_init( p_stream, &p_sys->lock_out );
+        vlc_cond_init( p_stream, &p_sys->cond );
+        memset( p_sys->pp_pics, 0, sizeof(p_sys->pp_pics) );
+        p_sys->i_first_pic = 0;
+        p_sys->i_last_pic = 0;
+        p_sys->p_buffers = NULL;
+        p_sys->b_die = p_sys->b_error = 0;
+        if( vlc_thread_create( p_sys, "encoder", EncoderThread,
+                               VLC_THREAD_PRIORITY_VIDEO, VLC_FALSE ) )
+        {
+            vlc_object_destroy( id->p_encoder );
+            msg_Err( p_stream, "cannot spawn encoder thread" );
+            return VLC_EGENERIC;
+        }
+    }
 
     return VLC_SUCCESS;
 }
 
-static void transcode_video_ffmpeg_close ( sout_stream_t *p_stream, sout_stream_id_t *id )
+static void transcode_video_ffmpeg_close ( sout_stream_t *p_stream,
+                                           sout_stream_id_t *id )
 {
-    if( id->ff_dec )
+    if ( p_stream->p_sys->i_threads >= 1 )
     {
-        avcodec_close( id->ff_dec_c );
+       vlc_mutex_lock( &p_stream->p_sys->lock_out );
+       p_stream->p_sys->b_die = 1;
+       vlc_cond_signal( &p_stream->p_sys->cond );
+       vlc_mutex_unlock( &p_stream->p_sys->lock_out );
+       vlc_thread_join( p_stream->p_sys );
+       vlc_mutex_destroy( &p_stream->p_sys->lock_out );
+       vlc_cond_destroy( &p_stream->p_sys->cond );
     }
-    if( id->b_enc_inited )
+
+    /* Close decoder */
+    if( id->ff_dec )
     {
-        avcodec_close( id->ff_enc_c );
+        avcodec_close( id->ff_dec_c );
+        free( id->ff_dec_c );
     }
 
+    /* Close encoder */
+    if( id->p_encoder->p_module )
+        module_Unneed( id->p_encoder, id->p_encoder->p_module );
+    vlc_object_destroy( id->p_encoder );
+
+    /* Misc cleanup */
     if( id->p_ff_pic)
     {
         free( id->p_ff_pic );
@@ -1321,13 +1311,8 @@ static void transcode_video_ffmpeg_close ( sout_stream_t *p_stream, sout_stream_
     }
     if( id->p_vresample )
     {
-        free( id->p_vresample );
+        img_resample_close( id->p_vresample );
     }
-
-    free( id->ff_dec_c );
-    free( id->ff_enc_c );
-
-    free( id->p_buffer );
 }
 
 static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
@@ -1335,7 +1320,6 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
 {
     sout_stream_sys_t   *p_sys = p_stream->p_sys;
     int     i_used;
-    int     i_out;
     int     b_gotpicture;
     AVFrame *frame;
 
@@ -1346,9 +1330,13 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
 
     i_data = in->i_size;
     p_data = in->p_buffer;
-
     for( ;; )
     {
+        block_t *p_block;
+        picture_t * p_pic;
+        int i_plane;
+
         /* decode frame */
         frame = id->p_ff_pic;
         p_sys->i_input_pts = in->i_pts;
@@ -1361,15 +1349,15 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
         else
         {
             /* raw video */
-            avpicture_fill( (AVPicture*)frame,
-                            p_data,
+            avpicture_fill( (AVPicture*)frame, p_data,
                             id->ff_dec_c->pix_fmt,
                             id->ff_dec_c->width, id->ff_dec_c->height );
             i_used = i_data;
             b_gotpicture = 1;
 
             /* Set PTS */
-            frame->pts = p_sys->i_input_pts;
+            frame->pts = p_sys->i_input_pts ? p_sys->i_input_pts :
+                         AV_NOPTS_VALUE;
         }
 
         if( i_used < 0 )
@@ -1387,43 +1375,108 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
 
         /* Get the pts of the decoded frame if any, otherwise keep the
          * interpolated one */
-        if( frame->pts > 0 )
+        if( frame->pts != AV_NOPTS_VALUE )
         {
             p_sys->i_output_pts = frame->pts;
         }
 
         if( !id->b_enc_inited )
         {
-            /* XXX hack because of copy packetizer and mpeg4video that can failed
-               detecting size */
-            if( id->ff_enc_c->width <= 0 )
+            /* Hack because of the copy packetizer which can fail to detect the
+             * proper size (which forces us to wait until the 1st frame
+             * is decoded) */
+            int i_width = id->ff_dec_c->width - p_sys->i_crop_left -
+                          p_sys->i_crop_right;
+            int i_height = id->ff_dec_c->height - p_sys->i_crop_top -
+                           p_sys->i_crop_bottom;
+
+            if( id->f_dst.video.i_width <= 0 && id->f_dst.video.i_height <= 0
+                && p_sys->f_scale )
             {
-                id->ff_enc_c->width    =
-                    id->f_dst.i_width  = id->ff_dec_c->width - p_sys->i_crop_left - p_sys->i_crop_right;
+                /* Apply the scaling */
+                id->f_dst.video.i_width = i_width * p_sys->f_scale;
+                id->f_dst.video.i_height = i_height * p_sys->f_scale;
             }
-            if( id->ff_enc_c->height <= 0 )
+            else if( id->f_dst.video.i_width > 0 &&
+                     id->f_dst.video.i_height <= 0 )
             {
-                id->ff_enc_c->height   =
-                    id->f_dst.i_height = id->ff_dec_c->height - p_sys->i_crop_top - p_sys->i_crop_bottom;
+                id->f_dst.video.i_height =
+                    id->f_dst.video.i_width / (double)i_width * i_height;
             }
+            else if( id->f_dst.video.i_width <= 0 &&
+                     id->f_dst.video.i_height > 0 )
+            {
+                id->f_dst.video.i_width =
+                    id->f_dst.video.i_height / (double)i_height * i_width;
+            }
+
+            id->p_encoder->fmt_in.video.i_width =
+              id->p_encoder->fmt_out.video.i_width =
+                id->f_dst.video.i_width;
+            id->p_encoder->fmt_in.video.i_height =
+              id->p_encoder->fmt_out.video.i_height =
+                id->f_dst.video.i_height;
 
-            if( avcodec_open( id->ff_enc_c, id->ff_enc ) )
+            id->p_encoder->fmt_out.i_extra = 0;
+            id->p_encoder->fmt_out.p_extra = NULL;
+
+            id->p_encoder->p_module =
+                module_Need( id->p_encoder, "encoder", NULL, 0 );
+            if( !id->p_encoder->p_module )
             {
-                msg_Err( p_stream, "cannot open encoder" );
+                vlc_object_destroy( id->p_encoder );
+                msg_Err( p_stream, "cannot find encoder" );
+                id->b_transcode = VLC_FALSE;
                 return VLC_EGENERIC;
             }
 
-            if( !( id->id = p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out, &id->f_dst ) ) )
+            id->f_dst.i_extra = id->p_encoder->fmt_out.i_extra;
+            id->f_dst.p_extra = id->p_encoder->fmt_out.p_extra;
+
+            /* Hack for mp2v/mp1v transcoding support */
+            if( id->f_dst.i_codec == VLC_FOURCC( 'm','p','1','v' ) ||
+                id->f_dst.i_codec == VLC_FOURCC( 'm','p','2','v' ) )
+            {
+                id->f_dst.i_codec = VLC_FOURCC( 'm','p','g','v' );
+            }
+
+            if( !( id->id =
+                     p_stream->p_sys->p_out->pf_add( p_stream->p_sys->p_out,
+                                                     &id->f_dst ) ) )
             {
                 msg_Err( p_stream, "cannot add this stream" );
                 transcode_video_ffmpeg_close( p_stream, id );
                 id->b_transcode = VLC_FALSE;
                 return VLC_EGENERIC;
             }
+
+            if( id->p_encoder->pf_header )
+            {
+                p_block = id->p_encoder->pf_header( id->p_encoder );
+                while( p_block )
+                {
+                    sout_buffer_t *p_out;
+                    block_t *p_prev_block = p_block;
+
+                    p_out = sout_BufferNew( p_stream->p_sout,
+                                            p_block->i_buffer );
+                    memcpy( p_out->p_buffer, p_block->p_buffer,
+                            p_block->i_buffer);
+                    p_out->i_dts = p_out->i_pts = in->i_dts;
+                    p_out->i_length = 0;
+                    sout_BufferChain( out, p_out );
+
+                    p_block = p_block->p_next;
+                    block_Release( p_prev_block );
+                }
+            }
+
+            id->i_inter_pixfmt =
+                get_ff_chroma( id->p_encoder->fmt_in.i_codec );
+
             id->b_enc_inited = VLC_TRUE;
         }
 
-
         /* deinterlace */
         if( p_stream->p_sys->b_deinterlace )
         {
@@ -1438,7 +1491,7 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
                 buf = malloc( i_size );
 
                 avpicture_fill( (AVPicture*)id->p_ff_pic_tmp0, buf,
-                                id->ff_enc_c->pix_fmt,
+                                id->i_inter_pixfmt,
                                 id->ff_dec_c->width, id->ff_dec_c->height );
             }
 
@@ -1446,56 +1499,68 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
                                    id->ff_dec_c->pix_fmt,
                                    id->ff_dec_c->width, id->ff_dec_c->height );
 
+#if LIBAVCODEC_BUILD >= 4685
+            id->p_ff_pic_tmp0->interlaced_frame = 0;
+#endif
+            id->p_ff_pic_tmp0->repeat_pict = frame->repeat_pict;
             frame = id->p_ff_pic_tmp0;
         }
 
         /* convert pix format */
-        if( id->ff_dec_c->pix_fmt != id->ff_enc_c->pix_fmt )
+        if( id->ff_dec_c->pix_fmt != id->i_inter_pixfmt )
         {
             if( id->p_ff_pic_tmp1 == NULL )
             {
                 int     i_size;
                 uint8_t *buf;
                 id->p_ff_pic_tmp1 = avcodec_alloc_frame();
-                i_size = avpicture_get_size( id->ff_enc_c->pix_fmt,
-                                             id->ff_dec_c->width, id->ff_dec_c->height );
+                i_size = avpicture_get_size( id->i_inter_pixfmt,
+                                             id->ff_dec_c->width,
+                                             id->ff_dec_c->height );
 
                 buf = malloc( i_size );
 
                 avpicture_fill( (AVPicture*)id->p_ff_pic_tmp1, buf,
-                                id->ff_enc_c->pix_fmt,
+                                id->i_inter_pixfmt,
                                 id->ff_dec_c->width, id->ff_dec_c->height );
             }
 
-            img_convert( (AVPicture*)id->p_ff_pic_tmp1, id->ff_enc_c->pix_fmt,
-                         (AVPicture*)frame,             id->ff_dec_c->pix_fmt,
+            img_convert( (AVPicture*)id->p_ff_pic_tmp1, id->i_inter_pixfmt,
+                         (AVPicture*)frame, id->ff_dec_c->pix_fmt,
                          id->ff_dec_c->width, id->ff_dec_c->height );
 
+            id->p_ff_pic_tmp1->repeat_pict = frame->repeat_pict;
+#if LIBAVCODEC_BUILD >= 4685
+            id->p_ff_pic_tmp1->interlaced_frame = frame->interlaced_frame;
+            id->p_ff_pic_tmp1->top_field_first = frame->top_field_first;
+#endif
             frame = id->p_ff_pic_tmp1;
         }
 
         /* convert size and crop */
-        if( id->ff_dec_c->width  != id->ff_enc_c->width ||
-            id->ff_dec_c->height != id->ff_enc_c->height ||
+        if( id->ff_dec_c->width  != id->f_dst.video.i_width ||
+            id->ff_dec_c->height != id->f_dst.video.i_height ||
             p_sys->i_crop_top > 0 || p_sys->i_crop_bottom > 0 ||
-            p_sys->i_crop_left > 0 || p_sys->i_crop_right )
+            p_sys->i_crop_left > 0 || p_sys->i_crop_right > 0 )
         {
             if( id->p_ff_pic_tmp2 == NULL )
             {
                 int     i_size;
                 uint8_t *buf;
                 id->p_ff_pic_tmp2 = avcodec_alloc_frame();
-                i_size = avpicture_get_size( id->ff_enc_c->pix_fmt,
-                                             id->ff_enc_c->width, id->ff_enc_c->height );
+                i_size = avpicture_get_size( id->i_inter_pixfmt,
+                                             id->f_dst.video.i_width,
+                                             id->f_dst.video.i_height );
 
                 buf = malloc( i_size );
 
                 avpicture_fill( (AVPicture*)id->p_ff_pic_tmp2, buf,
-                                id->ff_enc_c->pix_fmt,
-                                id->ff_enc_c->width, id->ff_enc_c->height );
+                                id->i_inter_pixfmt,
+                                id->f_dst.video.i_width, id->f_dst.video.i_height );
 
                 id->p_vresample =
-                    img_resample_full_init( id->ff_enc_c->width, id->ff_enc_c->height,
+                    img_resample_full_init( id->f_dst.video.i_width,
+                                            id->f_dst.video.i_height,
                                             id->ff_dec_c->width, id->ff_dec_c->height,
                                             p_stream->p_sys->i_crop_top,
                                             p_stream->p_sys->i_crop_bottom,
@@ -1506,14 +1571,47 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
             img_resample( id->p_vresample, (AVPicture*)id->p_ff_pic_tmp2,
                           (AVPicture*)frame );
 
+            id->p_ff_pic_tmp2->repeat_pict = frame->repeat_pict;
+#if LIBAVCODEC_BUILD >= 4685
+            id->p_ff_pic_tmp2->interlaced_frame = frame->interlaced_frame;
+            id->p_ff_pic_tmp2->top_field_first = frame->top_field_first;
+#endif
             frame = id->p_ff_pic_tmp2;
         }
 
-        /* Set the pts of the frame being encoded (segfaults with mpeg4!)*/
-        if( id->f_dst.i_fourcc == VLC_FOURCC( 'm', 'p', 'g', 'v' ) )
-            frame->pts = p_sys->i_output_pts;
-        else
-            frame->pts = 0;
+        /* Encoding */
+        p_pic = malloc(sizeof(picture_t));
+        vout_InitPicture( VLC_OBJECT(p_stream), p_pic,
+                          id->p_encoder->fmt_in.i_codec,
+                          id->f_dst.video.i_width, id->f_dst.video.i_height,
+                          id->f_dst.video.i_width * VOUT_ASPECT_FACTOR /
+                          id->f_dst.video.i_height );
+
+        for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
+        {
+            p_pic->p[i_plane].i_pitch = frame->linesize[i_plane];
+            if ( p_sys->i_threads >= 1 )
+            {
+                p_pic->p[i_plane].p_pixels = malloc(p_pic->p[i_plane].i_lines *
+                                                    p_pic->p[i_plane].i_pitch);
+                p_stream->p_vlc->pf_memcpy( p_pic->p[i_plane].p_pixels,
+                    frame->data[i_plane], p_pic->p[i_plane].i_lines *
+                     p_pic->p[i_plane].i_pitch );
+            }
+            else
+            {
+                p_pic->p[i_plane].p_pixels = frame->data[i_plane];
+            }
+        }
+
+        /* Set the pts of the frame being encoded */
+        p_pic->date = p_sys->i_output_pts;
+
+        p_pic->i_nb_fields = frame->repeat_pict;
+#if LIBAVCODEC_BUILD >= 4685
+        p_pic->b_progressive = !frame->interlaced_frame;
+        p_pic->b_top_field_first = frame->top_field_first;
+#endif
 
         /* Interpolate the next PTS
          * (needed by the mpeg video packetizer which can send pts <= 0 ) */
@@ -1523,69 +1621,129 @@ static int transcode_video_ffmpeg_process( sout_stream_t *p_stream,
               id->ff_dec_c->frame_rate_base / (2 * id->ff_dec_c->frame_rate);
         }
 
-        /* Let ffmpeg select the frame type */
-        frame->pict_type = 0;
+        if ( p_sys->i_threads >= 1 )
+        {
+            vlc_mutex_lock( &p_sys->lock_out );
+            p_sys->pp_pics[p_sys->i_last_pic++] = p_pic;
+            p_sys->i_last_pic %= PICTURE_RING_SIZE;
+            *out = p_sys->p_buffers;
+            p_sys->p_buffers = NULL;
+            vlc_cond_signal( &p_sys->cond );
+            vlc_mutex_unlock( &p_sys->lock_out );
+        }
+        else
+        {
+            block_t *p_block;
+            p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+            while( p_block )
+            {
+                sout_buffer_t *p_out;
+                block_t *p_prev_block = p_block;
+
+                p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
+                memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
+                p_out->i_dts = p_block->i_dts;
+                p_out->i_pts = p_block->i_pts;
+                p_out->i_length = p_block->i_length;
+                p_out->i_flags =
+                        (p_block->i_flags << SOUT_BUFFER_FLAGS_BLOCK_SHIFT)
+                          & SOUT_BUFFER_FLAGS_BLOCK_MASK;
+                sout_BufferChain( out, p_out );
+
+                p_block = p_block->p_next;
+                block_Release( p_prev_block );
+            }
+            free( p_pic );
+        }
 
-        i_out = avcodec_encode_video( id->ff_enc_c, id->p_buffer,
-                                      id->i_buffer, frame );
-        if( i_out > 0 )
+        if( i_data <= 0 )
         {
-            sout_buffer_t *p_out;
-            p_out = sout_BufferNew( p_stream->p_sout, i_out );
+            return VLC_SUCCESS;
+        }
+    }
 
-            memcpy( p_out->p_buffer, id->p_buffer, i_out );
+    return VLC_SUCCESS;
+}
 
-            p_out->i_size   = i_out;
+static int EncoderThread( sout_stream_sys_t * p_sys )
+{
+    sout_stream_t * p_stream = p_sys->p_out;
+    sout_stream_id_t * id = p_sys->id_video;
+    picture_t * p_pic;
+    int i_plane;
+    sout_buffer_t * p_buffer;
 
-            if( id->ff_enc_c->coded_frame->pts != 0 &&
-                p_sys->i_buggy_pts_detect != id->ff_enc_c->coded_frame->pts )
-            {
-                p_sys->i_buggy_pts_detect = id->ff_enc_c->coded_frame->pts;
+    while ( !p_sys->b_die && !p_sys->b_error )
+    {
+        block_t *p_block;
 
-                /* FIXME, 3-2 pulldown is not handled correctly */
-                p_out->i_length = in->i_length;
-                p_out->i_pts    = id->ff_enc_c->coded_frame->pts;
+        vlc_mutex_lock( &p_sys->lock_out );
+        while ( p_sys->i_last_pic == p_sys->i_first_pic )
+        {
+            vlc_cond_wait( &p_sys->cond, &p_sys->lock_out );
+            if ( p_sys->b_die || p_sys->b_error )
+                break;
+        }
+        if ( p_sys->b_die || p_sys->b_error )
+        {
+            vlc_mutex_unlock( &p_sys->lock_out );
+            break;
+        }
 
-                if( !id->ff_enc_c->delay ||
-                    ( id->ff_enc_c->coded_frame->pict_type != FF_I_TYPE &&
-                      id->ff_enc_c->coded_frame->pict_type != FF_P_TYPE ) )
-                {
-                    p_out->i_dts    = p_out->i_pts;
-                }
-                else
-                {
-                    if( p_sys->i_last_ref_pts )
-                    {
-                        p_out->i_dts = p_sys->i_last_ref_pts;
-                    }
-                    else
-                    {
-                        /* Let's put something sensible */
-                        p_out->i_dts = p_out->i_pts;
-                    }
+        p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
+        p_sys->i_first_pic %= PICTURE_RING_SIZE;
+        vlc_mutex_unlock( &p_sys->lock_out );
 
-                    p_sys->i_last_ref_pts = p_out->i_pts;
-                }
-            }
-            else
-            {
-                /* Buggy libavcodec which doesn't update coded_frame->pts
-                 * correctly */
-                p_out->i_length = in->i_length;
-                p_out->i_dts    = in->i_dts;
-                p_out->i_pts    = in->i_dts;
-            }
+        p_block = id->p_encoder->pf_encode_video( id->p_encoder, p_pic );
+        vlc_mutex_lock( &p_sys->lock_out );
+        while( p_block )
+        {
+            sout_buffer_t *p_out;
+            block_t *p_prev_block = p_block;
+
+            p_out = sout_BufferNew( p_stream->p_sout, p_block->i_buffer );
+            memcpy( p_out->p_buffer, p_block->p_buffer, p_block->i_buffer);
+            p_out->i_dts = p_block->i_dts;
+            p_out->i_pts = p_block->i_pts;
+            p_out->i_length = p_block->i_length;
+            p_out->i_flags =
+                (p_block->i_flags << SOUT_BUFFER_FLAGS_BLOCK_SHIFT)
+                  & SOUT_BUFFER_FLAGS_BLOCK_MASK;
+            sout_BufferChain( &p_sys->p_buffers, p_out );
+
+            p_block = p_block->p_next;
+            block_Release( p_prev_block );
+        }
+        vlc_mutex_unlock( &p_sys->lock_out );
 
-            sout_BufferChain( out, p_out );
+        for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
+        {
+            free( p_pic->p[i_plane].p_pixels );
         }
+        free( p_pic );
+    }
 
-        if( i_data <= 0 )
+    while ( p_sys->i_last_pic != p_sys->i_first_pic )
+    {
+        p_pic = p_sys->pp_pics[p_sys->i_first_pic++];
+        p_sys->i_first_pic %= PICTURE_RING_SIZE;
+
+        for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
         {
-            return VLC_SUCCESS;
+            free( p_pic->p[i_plane].p_pixels );
         }
+        free( p_pic );
     }
 
-    return VLC_SUCCESS;
+    p_buffer = p_sys->p_buffers;
+    while ( p_buffer != NULL )
+    {
+        sout_buffer_t * p_next = p_buffer->p_next;
+        sout_BufferDelete( p_stream->p_sout, p_buffer );
+        p_buffer = p_next;
+    }
+
+    return 0;
 }
 
 /*****************************************************************************
@@ -1600,7 +1758,7 @@ static int transcode_video_ffmpeg_getframebuf(struct AVCodecContext *p_context,
     sout_stream_sys_t *p_sys = (sout_stream_sys_t *)p_context->opaque;
 
     /* Set PTS */
-    p_frame->pts = p_sys->i_input_pts;
+    p_frame->pts = p_sys->i_input_pts ? p_sys->i_input_pts : AV_NOPTS_VALUE;
 
     return avcodec_default_get_buffer( p_context, p_frame );
 }