]> git.sesse.net Git - vlc/blobdiff - modules/codec/avcodec/encoder.c
avcodec: adjust MT contention scope
[vlc] / modules / codec / avcodec / encoder.c
index 6cbe672600edfda22cc1bb54d2b056ac74aa25a4..9523e325302b079f83599cd8ae84d418bf4e8a66 100644 (file)
@@ -1,28 +1,28 @@
 /*****************************************************************************
- * encoder.c: video and audio encoder using the ffmpeg library
+ * encoder.c: video and audio encoder using the libavcodec library
  *****************************************************************************
- * Copyright (C) 1999-2004 the VideoLAN team
+ * Copyright (C) 1999-2004 VLC authors and VideoLAN
  * $Id$
  *
  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
  *          Gildas Bazin <gbazin@videolan.org>
  *          Christophe Massiot <massiot@via.ecp.fr>
- * Part of the file Copyright (C) FFMPEG Project Developers
+ * Part of the file Copyright (C) FFmpeg Project Developers
  * (mpeg4_default matrixes)
  *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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
- * GNU General Public License for more details.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  *****************************************************************************/
 
 /*****************************************************************************
 #endif
 
 #include <vlc_common.h>
-#include <vlc_vout.h>
 #include <vlc_aout.h>
 #include <vlc_sout.h>
 #include <vlc_codec.h>
-#include <vlc_interface.h>
+#include <vlc_dialog.h>
+#include <vlc_avcodec.h>
+#include <vlc_cpu.h>
 
-/* ffmpeg header */
 #define HAVE_MMX 1
-#ifdef HAVE_LIBAVCODEC_AVCODEC_H
-#   include <libavcodec/avcodec.h>
-#elif defined(HAVE_FFMPEG_AVCODEC_H)
-#   include <ffmpeg/avcodec.h>
-#else
-#   include <avcodec.h>
-#endif
+#include <libavcodec/avcodec.h>
 
 #include "avcodec.h"
+#include "avcommon.h"
+
+#if LIBAVUTIL_VERSION_CHECK( 52,2,6,0,0 )
+# include <libavutil/channel_layout.h>
+#endif
 
 #define HURRY_UP_GUARD1 (450000)
 #define HURRY_UP_GUARD2 (300000)
@@ -57,6 +56,8 @@
 
 #define MAX_FRAME_DELAY (FF_MAX_B_FRAMES + 2)
 
+#define RAW_AUDIO_FRAME_SIZE (2048)
+
 /*****************************************************************************
  * Local prototypes
  *****************************************************************************/
@@ -64,13 +65,9 @@ int  OpenEncoder ( vlc_object_t * );
 void CloseEncoder( vlc_object_t * );
 
 static block_t *EncodeVideo( encoder_t *, picture_t * );
-static block_t *EncodeAudio( encoder_t *, aout_buffer_t * );
+static block_t *EncodeAudio( encoder_t *, block_t * );
 
 struct thread_context_t;
-static void* FfmpegThread( vlc_object_t *p_this );
-static int FfmpegExecute( AVCodecContext *s,
-                          int (*pf_func)(AVCodecContext *c2, void *arg2),
-                          void **arg, int *ret, int count );
 
 /*****************************************************************************
  * thread_context_t : for multithreaded encoding
@@ -90,22 +87,22 @@ struct thread_context_t
 };
 
 /*****************************************************************************
- * encoder_sys_t : ffmpeg encoder descriptor
+ * encoder_sys_t : libavcodec encoder descriptor
  *****************************************************************************/
 struct encoder_sys_t
 {
     /*
-     * Ffmpeg properties
+     * libavcodec properties
      */
     AVCodec         *p_codec;
     AVCodecContext  *p_context;
 
     /*
-     * Common properties
+     * Common buffer mainly for audio as frame size in there needs usually be constant
      */
-    char *p_buffer;
-    uint8_t *p_buffer_out;
+    uint8_t *p_buffer;
     size_t i_buffer_out;
+    uint8_t *p_interleave_buf;
 
     /*
      * Video properties
@@ -118,9 +115,13 @@ struct encoder_sys_t
     /*
      * Audio properties
      */
-    int i_frame_size;
-    int i_samples_delay;
+    size_t i_sample_bytes;
+    size_t i_frame_size;
+    size_t i_samples_delay; //How much samples in delay buffer
+    bool b_planar;
+    bool b_variable;    //Encoder can be fed with any size frames not just frame_size
     mtime_t i_pts;
+    date_t  buffer_date;
 
     /* Encoding settings */
     int        i_key_int;
@@ -140,26 +141,25 @@ struct encoder_sys_t
     bool       b_trellis;
     int        i_quality; /* for VBR */
     float      f_lumi_masking, f_dark_masking, f_p_masking, f_border_masking;
+#if (LIBAVCODEC_VERSION_MAJOR < 55)
     int        i_luma_elim, i_chroma_elim;
-#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(40<<8)+4)
-    int        i_aac_profile; /* AAC profile to use.*/
 #endif
-    /* Used to work around stupid timestamping behaviour in libavcodec */
-    uint64_t i_framenum;
-    mtime_t  pi_delay_pts[MAX_FRAME_DELAY];
+    int        i_aac_profile; /* AAC profile to use.*/
+
+    AVFrame    *frame;
 };
 
 static const char *const ppsz_enc_options[] = {
-    "keyint", "bframes", "vt", "qmin", "qmax", "hq",
+    "keyint", "bframes", "vt", "qmin", "qmax", "codec", "hq",
     "rc-buffer-size", "rc-buffer-aggressivity", "pre-me", "hurry-up",
-    "interlace", "i-quant-factor", "noise-reduction", "mpeg4-matrix",
+    "interlace", "interlace-me", "i-quant-factor", "noise-reduction", "mpeg4-matrix",
     "trellis", "qscale", "strict", "lumi-masking", "dark-masking",
-    "p-masking", "border-masking", "luma-elim-threshold",
-    "chroma-elim-threshold",
-#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(40<<8)+4)
-     "aac-profile",
+    "p-masking", "border-masking",
+#if (LIBAVCODEC_VERSION_MAJOR < 55)
+    "luma-elim-threshold", "chroma-elim-threshold",
 #endif
-     NULL
+    "aac-profile", "options",
+    NULL
 };
 
 static const uint16_t mpa_bitrate_tab[2][15] =
@@ -200,30 +200,52 @@ static const uint16_t mpeg4_default_non_intra_matrix[64] = {
 int OpenEncoder( vlc_object_t *p_this )
 {
     encoder_t *p_enc = (encoder_t *)p_this;
-    encoder_sys_t *p_sys = p_enc->p_sys;
+    encoder_sys_t *p_sys;
     AVCodecContext *p_context;
-    AVCodec *p_codec;
+    AVCodec *p_codec = NULL;
     int i_codec_id, i_cat;
     const char *psz_namecodec;
-    vlc_value_t val;
+    float f_val;
+    char *psz_val;
 
-    if( !GetFfmpegCodec( p_enc->fmt_out.i_codec, &i_cat, &i_codec_id,
+    /* Initialization must be done before avcodec_find_encoder() */
+    vlc_init_avcodec();
+
+    config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
+
+    if( p_enc->fmt_out.i_codec == VLC_CODEC_MP3 )
+    {
+        i_cat = AUDIO_ES;
+        i_codec_id = AV_CODEC_ID_MP3;
+        psz_namecodec = "MPEG I/II Layer 3";
+    }
+    else if( p_enc->fmt_out.i_codec == VLC_CODEC_MP2 )
+    {
+        i_cat = AUDIO_ES;
+        i_codec_id = AV_CODEC_ID_MP2;
+        psz_namecodec = "MPEG I/II Layer 2";
+    }
+    else if( p_enc->fmt_out.i_codec == VLC_CODEC_MP1V )
+    {
+        i_cat = VIDEO_ES;
+        i_codec_id = AV_CODEC_ID_MPEG1VIDEO;
+        psz_namecodec = "MPEG-1 video";
+    }
+    else if( !GetFfmpegCodec( p_enc->fmt_out.i_codec, &i_cat, &i_codec_id,
                              &psz_namecodec ) )
     {
-        if( TestFfmpegChroma( -1, p_enc->fmt_out.i_codec ) != VLC_SUCCESS )
-        {
-            /* handed chroma output */
-            return VLC_EGENERIC;
-        }
+        if( FindFfmpegChroma( p_enc->fmt_out.i_codec ) == PIX_FMT_NONE )
+            return VLC_EGENERIC; /* handed chroma output */
+
         i_cat      = VIDEO_ES;
-        i_codec_id = CODEC_ID_RAWVIDEO;
+        i_codec_id = AV_CODEC_ID_RAWVIDEO;
         psz_namecodec = "Raw video";
     }
 
     if( p_enc->fmt_out.i_cat == VIDEO_ES && i_cat != VIDEO_ES )
     {
         msg_Err( p_enc, "\"%s\" is not a video encoder", psz_namecodec );
-        intf_UserFatal( p_enc, false, _("Streaming / Transcoding failed"),
+        dialog_Fatal( p_enc, _("Streaming / Transcoding failed"),
                         _("\"%s\" is no video encoder."), psz_namecodec );
         return VLC_EGENERIC;
     }
@@ -231,28 +253,46 @@ int OpenEncoder( vlc_object_t *p_this )
     if( p_enc->fmt_out.i_cat == AUDIO_ES && i_cat != AUDIO_ES )
     {
         msg_Err( p_enc, "\"%s\" is not an audio encoder", psz_namecodec );
-        intf_UserFatal( p_enc, false, _("Streaming / Transcoding failed"),
+        dialog_Fatal( p_enc, _("Streaming / Transcoding failed"),
                         _("\"%s\" is no audio encoder."), psz_namecodec );
         return VLC_EGENERIC;
     }
 
-    /* Initialization must be done before avcodec_find_encoder() */
-    InitLibavcodec( p_this );
+    if( p_enc->fmt_out.i_cat == SPU_ES )
+    {
+        /* We don't support subtitle encoding */
+        return VLC_EGENERIC;
+    }
 
-    p_codec = avcodec_find_encoder( i_codec_id );
+    char *psz_encoder = var_GetString( p_this, ENC_CFG_PREFIX "codec" );
+    if( psz_encoder && *psz_encoder )
+    {
+        p_codec = avcodec_find_encoder_by_name( psz_encoder );
+        if( !p_codec )
+            msg_Err( p_this, "Encoder `%s' not found", psz_encoder );
+        else if( p_codec->id != i_codec_id )
+        {
+            msg_Err( p_this, "Encoder `%s' can't handle %4.4s",
+                    psz_encoder, (char*)&p_enc->fmt_out.i_codec );
+            p_codec = NULL;
+        }
+    }
+    free( psz_encoder );
+    if( !p_codec )
+        p_codec = avcodec_find_encoder( i_codec_id );
     if( !p_codec )
     {
         msg_Err( p_enc, "cannot find encoder %s\n"
-"*** Your FFMPEG installation is crippled.   ***\n"
-"*** Please check with your FFMPEG packager. ***\n"
+"*** Your Libav/FFmpeg installation is crippled.   ***\n"
+"*** Please check with your Libav/FFmpeg packager. ***\n"
 "*** This is NOT a VLC media player issue.   ***", psz_namecodec );
 
-        intf_UserFatal( p_enc, false, _("Streaming / Transcoding failed"), _(
+        dialog_Fatal( p_enc, _("Streaming / Transcoding failed"), _(
 /* I have had enough of all these MPEG-3 transcoding bug reports.
  * Downstream packager, you had better not patch this out, or I will be really
  * annoyed. Think about it - you don't want to fork the VLC translation files,
  * do you? -- Courmisch, 2008-10-22 */
-"It seems your FFMPEG (libavcodec) installation lacks the following encoder:\n"
+"It seems your Libav/FFmpeg (libavcodec) installation lacks the following encoder:\n"
 "%s.\n"
 "If you don't know how to fix this, ask for support from your distribution.\n"
 "\n"
@@ -266,157 +306,121 @@ int OpenEncoder( vlc_object_t *p_this )
     if( ( p_sys = calloc( 1, sizeof(encoder_sys_t) ) ) == NULL )
         return VLC_ENOMEM;
     p_enc->p_sys = p_sys;
+    p_sys->i_samples_delay = 0;
     p_sys->p_codec = p_codec;
-
-    p_enc->pf_encode_video = EncodeVideo;
-    p_enc->pf_encode_audio = EncodeAudio;
+    p_sys->b_planar = false;
 
     p_sys->p_buffer = NULL;
-    p_sys->p_buffer_out = NULL;
+    p_sys->p_interleave_buf = NULL;
     p_sys->i_buffer_out = 0;
 
-    p_sys->p_context = p_context = avcodec_alloc_context();
-    p_context->debug = config_GetInt( p_enc, "ffmpeg-debug" );
+    p_context = avcodec_alloc_context3(p_codec);
+    p_sys->p_context = p_context;
+    p_sys->p_context->codec_id = p_sys->p_codec->id;
+    p_context->thread_type = 0;
+    p_context->debug = var_InheritInteger( p_enc, "avcodec-debug" );
     p_context->opaque = (void *)p_this;
 
-    /* Set CPU capabilities */
-    unsigned i_cpu = vlc_CPU();
-    p_context->dsp_mask = 0;
-    if( !(i_cpu & CPU_CAPABILITY_MMX) )
-    {
-        p_context->dsp_mask |= FF_MM_MMX;
-    }
-    if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
-    {
-        p_context->dsp_mask |= FF_MM_MMXEXT;
-    }
-    if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
-    {
-        p_context->dsp_mask |= FF_MM_3DNOW;
-    }
-    if( !(i_cpu & CPU_CAPABILITY_SSE) )
-    {
-        p_context->dsp_mask |= FF_MM_SSE;
-        p_context->dsp_mask |= FF_MM_SSE2;
-    }
-
-    config_ChainParse( p_enc, ENC_CFG_PREFIX, ppsz_enc_options, p_enc->p_cfg );
-
-    var_Get( p_enc, ENC_CFG_PREFIX "keyint", &val );
-    p_sys->i_key_int = val.i_int;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "bframes", &val );
-    p_sys->i_b_frames = val.i_int;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "vt", &val );
-    p_sys->i_vtolerance = val.i_int * 1000;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "interlace", &val );
-    p_sys->b_interlace = val.b_bool;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "interlace-me", &val );
-    p_sys->b_interlace_me = val.b_bool;
+    /* set CPU capabilities */
+#if LIBAVUTIL_VERSION_CHECK(51, 25, 0, 42, 100)
+    av_set_cpu_flags_mask( INT_MAX & ~GetVlcDspMask() );
+#else
+    p_context->dsp_mask = GetVlcDspMask();
+#endif
 
-    var_Get( p_enc, ENC_CFG_PREFIX "pre-me", &val );
-    p_sys->b_pre_me = val.b_bool;
+    p_sys->i_key_int = var_GetInteger( p_enc, ENC_CFG_PREFIX "keyint" );
+    p_sys->i_b_frames = var_GetInteger( p_enc, ENC_CFG_PREFIX "bframes" );
+    p_sys->i_vtolerance = var_GetInteger( p_enc, ENC_CFG_PREFIX "vt" ) * 1000;
+    p_sys->b_interlace = var_GetBool( p_enc, ENC_CFG_PREFIX "interlace" );
+    p_sys->b_interlace_me = var_GetBool( p_enc, ENC_CFG_PREFIX "interlace-me" );
+    p_sys->b_pre_me = var_GetBool( p_enc, ENC_CFG_PREFIX "pre-me" );
+    p_sys->b_hurry_up = var_GetBool( p_enc, ENC_CFG_PREFIX "hurry-up" );
 
-    var_Get( p_enc, ENC_CFG_PREFIX "hurry-up", &val );
-    p_sys->b_hurry_up = val.b_bool;
     if( p_sys->b_hurry_up )
     {
         /* hurry up mode needs noise reduction, even small */
         p_sys->i_noise_reduction = 1;
     }
 
-    var_Get( p_enc, ENC_CFG_PREFIX "rc-buffer-size", &val );
-    p_sys->i_rc_buffer_size = val.i_int;
-    var_Get( p_enc, ENC_CFG_PREFIX "rc-buffer-aggressivity", &val );
-    p_sys->f_rc_buffer_aggressivity = val.f_float;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "i-quant-factor", &val );
-    p_sys->f_i_quant_factor = val.f_float;
+    p_sys->i_rc_buffer_size = var_GetInteger( p_enc, ENC_CFG_PREFIX "rc-buffer-size" );
+    p_sys->f_rc_buffer_aggressivity = var_GetFloat( p_enc, ENC_CFG_PREFIX "rc-buffer-aggressivity" );
+    p_sys->f_i_quant_factor = var_GetFloat( p_enc, ENC_CFG_PREFIX "i-quant-factor" );
+    p_sys->i_noise_reduction = var_GetInteger( p_enc, ENC_CFG_PREFIX "noise-reduction" );
+    p_sys->b_mpeg4_matrix = var_GetBool( p_enc, ENC_CFG_PREFIX "mpeg4-matrix" );
 
-    var_Get( p_enc, ENC_CFG_PREFIX "noise-reduction", &val );
-    p_sys->i_noise_reduction = val.i_int;
+    f_val = var_GetFloat( p_enc, ENC_CFG_PREFIX "qscale" );
 
-    var_Get( p_enc, ENC_CFG_PREFIX "mpeg4-matrix", &val );
-    p_sys->b_mpeg4_matrix = val.b_bool;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "qscale", &val );
-    if( val.f_float < 0.01 || val.f_float > 255.0 ) val.f_float = 0;
-    p_sys->i_quality = (int)(FF_QP2LAMBDA * val.f_float + 0.5);
+    p_sys->i_quality = 0;
+    if( f_val < 0.01 || f_val > 255.0 )
+        f_val = 0;
+    else
+        p_sys->i_quality = (int)(FF_QP2LAMBDA * f_val + 0.5);
 
-    var_Get( p_enc, ENC_CFG_PREFIX "hq", &val );
+    psz_val = var_GetString( p_enc, ENC_CFG_PREFIX "hq" );
     p_sys->i_hq = FF_MB_DECISION_RD;
-    if( val.psz_string && *val.psz_string )
+    if( psz_val && *psz_val )
     {
-        if( !strcmp( val.psz_string, "rd" ) )
+        if( !strcmp( psz_val, "rd" ) )
             p_sys->i_hq = FF_MB_DECISION_RD;
-        else if( !strcmp( val.psz_string, "bits" ) )
+        else if( !strcmp( psz_val, "bits" ) )
             p_sys->i_hq = FF_MB_DECISION_BITS;
-        else if( !strcmp( val.psz_string, "simple" ) )
+        else if( !strcmp( psz_val, "simple" ) )
             p_sys->i_hq = FF_MB_DECISION_SIMPLE;
         else
             p_sys->i_hq = FF_MB_DECISION_RD;
     }
     else
         p_sys->i_hq = FF_MB_DECISION_RD;
-    free( val.psz_string );
-
-    var_Get( p_enc, ENC_CFG_PREFIX "qmin", &val );
-    p_sys->i_qmin = val.i_int;
-    var_Get( p_enc, ENC_CFG_PREFIX "qmax", &val );
-    p_sys->i_qmax = val.i_int;
-    var_Get( p_enc, ENC_CFG_PREFIX "trellis", &val );
-    p_sys->b_trellis = val.b_bool;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "strict", &val );
-    if( val.i_int < - 1 || val.i_int > 1 ) val.i_int = 0;
-    p_context->strict_std_compliance = val.i_int;
-
-    var_Get( p_enc, ENC_CFG_PREFIX "lumi-masking", &val );
-    p_sys->f_lumi_masking = val.f_float;
-    var_Get( p_enc, ENC_CFG_PREFIX "dark-masking", &val );
-    p_sys->f_dark_masking = val.f_float;
-    var_Get( p_enc, ENC_CFG_PREFIX "p-masking", &val );
-    p_sys->f_p_masking = val.f_float;
-    var_Get( p_enc, ENC_CFG_PREFIX "border-masking", &val );
-    p_sys->f_border_masking = val.f_float;
-    var_Get( p_enc, ENC_CFG_PREFIX "luma-elim-threshold", &val );
-    p_sys->i_luma_elim = val.i_int;
-    var_Get( p_enc, ENC_CFG_PREFIX "chroma-elim-threshold", &val );
-    p_sys->i_chroma_elim = val.i_int;
-
-#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(40<<8)+4)
-    var_Get( p_enc, ENC_CFG_PREFIX "aac-profile", &val );
-    /* ffmpeg uses faac encoder atm, and it has issues with
+    free( psz_val );
+
+    p_sys->i_qmin = var_GetInteger( p_enc, ENC_CFG_PREFIX "qmin" );
+    p_sys->i_qmax = var_GetInteger( p_enc, ENC_CFG_PREFIX "qmax" );
+    p_sys->b_trellis = var_GetBool( p_enc, ENC_CFG_PREFIX "trellis" );
+
+    p_context->strict_std_compliance = var_GetInteger( p_enc, ENC_CFG_PREFIX "strict" );
+
+    p_sys->f_lumi_masking = var_GetFloat( p_enc, ENC_CFG_PREFIX "lumi-masking" );
+    p_sys->f_dark_masking = var_GetFloat( p_enc, ENC_CFG_PREFIX "dark-masking" );
+    p_sys->f_p_masking = var_GetFloat( p_enc, ENC_CFG_PREFIX "p-masking" );
+    p_sys->f_border_masking = var_GetFloat( p_enc, ENC_CFG_PREFIX "border-masking" );
+#if (LIBAVCODEC_VERSION_MAJOR < 55)
+    p_sys->i_luma_elim = var_GetInteger( p_enc, ENC_CFG_PREFIX "luma-elim-threshold" );
+    p_sys->i_chroma_elim = var_GetInteger( p_enc, ENC_CFG_PREFIX "chroma-elim-threshold" );
+#endif
+
+    psz_val = var_GetString( p_enc, ENC_CFG_PREFIX "aac-profile" );
+    /* libavcodec uses faac encoder atm, and it has issues with
      * other than low-complexity profile, so default to that */
     p_sys->i_aac_profile = FF_PROFILE_AAC_LOW;
-    if( val.psz_string && *val.psz_string )
+    if( psz_val && *psz_val )
     {
-        if( !strncmp( val.psz_string, "main", 4 ) )
+        if( !strncmp( psz_val, "main", 4 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_MAIN;
-        else if( !strncmp( val.psz_string, "low", 3 ) )
+        else if( !strncmp( psz_val, "low", 3 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_LOW;
 #if 0    /* Not supported by FAAC encoder */
-        else if( !strncmp( val.psz_string, "ssr", 3 ) )
+        else if( !strncmp( psz_val, "ssr", 3 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_SSR;
 #endif
-        else  if( !strncmp( val.psz_string, "ltp", 3 ) )
+        else if( !strncmp( psz_val, "ltp", 3 ) )
             p_sys->i_aac_profile = FF_PROFILE_AAC_LTP;
+#if LIBAVCODEC_VERSION_CHECK( 54, 19, 0, 35, 100 )
+/* These require libavcodec with libfdk-aac */
+        else if( !strncmp( psz_val, "hev2", 4 ) )
+            p_sys->i_aac_profile = FF_PROFILE_AAC_HE_V2;
+        else if( !strncmp( psz_val, "hev1", 4 ) )
+            p_sys->i_aac_profile = FF_PROFILE_AAC_HE;
+#endif
         else
         {
             msg_Warn( p_enc, "unknown AAC profile requested, setting it to low" );
             p_sys->i_aac_profile = FF_PROFILE_AAC_LOW;
         }
     }
-    free( val.psz_string );
-#endif
+    free( psz_val );
 
     if( p_enc->fmt_in.i_cat == VIDEO_ES )
     {
-        int i_aspect_num, i_aspect_den;
-
         if( !p_enc->fmt_in.video.i_width || !p_enc->fmt_in.video.i_height )
         {
             msg_Warn( p_enc, "invalid size %ix%i", p_enc->fmt_in.video.i_width,
@@ -425,14 +429,24 @@ int OpenEncoder( vlc_object_t *p_this )
             return VLC_EGENERIC;
         }
 
+        p_context->codec_type = AVMEDIA_TYPE_VIDEO;
+
         p_context->width = p_enc->fmt_in.video.i_width;
         p_context->height = p_enc->fmt_in.video.i_height;
-        if( p_enc->fmt_out.i_codec == VLC_FOURCC('m', 'p', '2', 'v')
-             && (p_context->width > 720 || p_context->height > 576) )
-            p_context->level = 4; /* High level */
 
         p_context->time_base.num = p_enc->fmt_in.video.i_frame_rate_base;
         p_context->time_base.den = p_enc->fmt_in.video.i_frame_rate;
+        if( p_codec->supported_framerates )
+        {
+            AVRational target = {
+                .num = p_enc->fmt_in.video.i_frame_rate,
+                .den = p_enc->fmt_in.video.i_frame_rate_base,
+            };
+            int idx = av_find_nearest_q_idx(target, p_codec->supported_framerates);
+
+            p_context->time_base.num = p_codec->supported_framerates[idx].den;
+            p_context->time_base.den = p_codec->supported_framerates[idx].num;
+        }
 
         /* Defaults from ffmpeg.c */
         p_context->qblur = 0.5;
@@ -446,35 +460,30 @@ int OpenEncoder( vlc_object_t *p_this )
         p_context->dark_masking = p_sys->f_dark_masking;
         p_context->p_masking = p_sys->f_p_masking;
         p_context->border_masking = p_sys->f_border_masking;
+#if (LIBAVCODEC_VERSION_MAJOR < 55)
         p_context->luma_elim_threshold = p_sys->i_luma_elim;
         p_context->chroma_elim_threshold = p_sys->i_chroma_elim;
+#endif
 
         if( p_sys->i_key_int > 0 )
             p_context->gop_size = p_sys->i_key_int;
         p_context->max_b_frames =
-            __MAX( __MIN( p_sys->i_b_frames, FF_MAX_B_FRAMES ), 0 );
+            VLC_CLIP( p_sys->i_b_frames, 0, FF_MAX_B_FRAMES );
         p_context->b_frame_strategy = 0;
         if( !p_context->max_b_frames  &&
-            (  p_enc->fmt_out.i_codec == VLC_FOURCC('m', 'p', '2', 'v') ||
-               p_enc->fmt_out.i_codec == VLC_FOURCC('m', 'p', '1', 'v') ) )
+            (  p_enc->fmt_out.i_codec == VLC_CODEC_MPGV ||
+               p_enc->fmt_out.i_codec == VLC_CODEC_MP2V ) )
             p_context->flags |= CODEC_FLAG_LOW_DELAY;
 
-        av_reduce( &i_aspect_num, &i_aspect_den,
-                   p_enc->fmt_in.video.i_aspect,
-                   VOUT_ASPECT_FACTOR, 1 << 30 /* something big */ );
         av_reduce( &p_context->sample_aspect_ratio.num,
                    &p_context->sample_aspect_ratio.den,
-                   i_aspect_num * (int64_t)p_context->height,
-                   i_aspect_den * (int64_t)p_context->width, 1 << 30 );
+                   p_enc->fmt_in.video.i_sar_num,
+                   p_enc->fmt_in.video.i_sar_den, 1 << 30 );
 
-        p_sys->i_buffer_out = p_context->height * p_context->width * 3;
-        if( p_sys->i_buffer_out < FF_MIN_BUFFER_SIZE )
-            p_sys->i_buffer_out = FF_MIN_BUFFER_SIZE;
-        p_sys->p_buffer_out = malloc( p_sys->i_buffer_out );
 
-        p_enc->fmt_in.i_codec = VLC_FOURCC('I','4','2','0');
+        p_enc->fmt_in.i_codec = VLC_CODEC_I420;
         p_enc->fmt_in.video.i_chroma = p_enc->fmt_in.i_codec;
-        GetFfmpegChroma( &p_context->pix_fmt, p_enc->fmt_in.video );
+        GetFfmpegChroma( &p_context->pix_fmt, &p_enc->fmt_in.video );
 
         if( p_codec->pix_fmts )
         {
@@ -523,18 +532,29 @@ int OpenEncoder( vlc_object_t *p_this )
             }
         }
 
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-        if ( p_sys->b_trellis )
-            p_context->flags |= CODEC_FLAG_TRELLIS_QUANT;
-#else
         p_context->trellis = p_sys->b_trellis;
-#endif
 
         if ( p_sys->i_qmin > 0 && p_sys->i_qmin == p_sys->i_qmax )
             p_context->flags |= CODEC_FLAG_QSCALE;
-
-        if ( p_enc->i_threads >= 1 )
-            p_context->thread_count = p_enc->i_threads;
+        /* These codecs cause libavcodec to exit if thread_count is > 1.
+           See libavcodec/mpegvideo_enc.c:MPV_encode_init and
+           libavcodec/svq3.c , WMV2 calls MPV_encode_init also.
+         */
+        if ( i_codec_id == AV_CODEC_ID_FLV1 ||
+             i_codec_id == AV_CODEC_ID_H261 ||
+             i_codec_id == AV_CODEC_ID_LJPEG ||
+             i_codec_id == AV_CODEC_ID_MJPEG ||
+             i_codec_id == AV_CODEC_ID_H263 ||
+             i_codec_id == AV_CODEC_ID_H263P ||
+             i_codec_id == AV_CODEC_ID_MSMPEG4V1 ||
+             i_codec_id == AV_CODEC_ID_MSMPEG4V2 ||
+             i_codec_id == AV_CODEC_ID_MSMPEG4V3 ||
+             i_codec_id == AV_CODEC_ID_WMV1 ||
+             i_codec_id == AV_CODEC_ID_WMV2 ||
+             i_codec_id == AV_CODEC_ID_RV10 ||
+             i_codec_id == AV_CODEC_ID_RV20 ||
+             i_codec_id == AV_CODEC_ID_SVQ3 )
+            p_enc->i_threads = 1;
 
         if( p_sys->i_vtolerance > 0 )
             p_context->bit_rate_tolerance = p_sys->i_vtolerance;
@@ -550,12 +570,12 @@ int OpenEncoder( vlc_object_t *p_this )
 
         if( p_sys->i_qmin > 0 )
         {
-            p_context->mb_qmin = p_context->qmin = p_sys->i_qmin;
+            p_context->qmin = p_sys->i_qmin;
             p_context->mb_lmin = p_context->lmin = p_sys->i_qmin * FF_QP2LAMBDA;
         }
         if( p_sys->i_qmax > 0 )
         {
-            p_context->mb_qmax = p_context->qmax = p_sys->i_qmax;
+            p_context->qmax = p_sys->i_qmax;
             p_context->mb_lmax = p_context->lmax = p_sys->i_qmax * FF_QP2LAMBDA;
         }
         p_context->max_qdiff = 3;
@@ -570,8 +590,11 @@ int OpenEncoder( vlc_object_t *p_this )
         else
         {
             p_context->rc_qsquish = 1.0;
-            p_context->rc_max_rate = p_enc->fmt_out.i_bitrate;
-            p_context->rc_min_rate = p_enc->fmt_out.i_bitrate;
+            if( p_sys->i_rc_buffer_size )
+            {
+                p_context->rc_max_rate = p_enc->fmt_out.i_bitrate;
+                p_context->rc_min_rate = p_enc->fmt_out.i_bitrate;
+            }
             p_context->rc_buffer_size = p_sys->i_rc_buffer_size;
             /* This is from ffmpeg's ffmpeg.c : */
             p_context->rc_initial_buffer_occupancy
@@ -582,34 +605,126 @@ int OpenEncoder( vlc_object_t *p_this )
     else if( p_enc->fmt_in.i_cat == AUDIO_ES )
     {
         /* work around bug in libmp3lame encoding */
-        if( i_codec_id == CODEC_ID_MP3 && p_enc->fmt_in.audio.i_channels > 2 )
+        if( i_codec_id == AV_CODEC_ID_MP3 && p_enc->fmt_in.audio.i_channels > 2 )
             p_enc->fmt_in.audio.i_channels = 2;
 
-        p_enc->fmt_in.i_codec  = AOUT_FMT_S16_NE;
+        p_context->codec_type  = AVMEDIA_TYPE_AUDIO;
+        p_context->sample_fmt  = p_codec->sample_fmts ?
+                                    p_codec->sample_fmts[0] :
+                                    AV_SAMPLE_FMT_S16;
+
+        /* Try to match avcodec input format to vlc format so we could avoid one
+           format conversion */
+        if( GetVlcAudioFormat( p_context->sample_fmt ) != p_enc->fmt_in.i_codec )
+        {
+            msg_Dbg( p_enc, "Trying to find more suitable sample format instead of %s", av_get_sample_fmt_name( p_context->sample_fmt ) );
+            for( unsigned int i=0; p_codec->sample_fmts[i] != -1; i++ )
+            {
+                if( GetVlcAudioFormat( p_codec->sample_fmts[i] ) == p_enc->fmt_in.i_codec )
+                {
+                    p_context->sample_fmt = p_codec->sample_fmts[i];
+                    msg_Dbg( p_enc, "Using %s as new sample format", av_get_sample_fmt_name( p_context->sample_fmt ) );
+                    break;
+                }
+            }
+        }
+        p_sys->b_planar = av_sample_fmt_is_planar( p_context->sample_fmt );
+        // Try if we can use interleaved format for codec input as VLC doesn't really do planar audio yet
+        // FIXME: Remove when planar/interleaved audio in vlc is equally supported
+        if( p_sys->b_planar )
+        {
+            msg_Dbg( p_enc, "Trying to find packet sample format instead of planar %s", av_get_sample_fmt_name( p_context->sample_fmt ) );
+            for( unsigned int i=0; p_codec->sample_fmts[i] != -1; i++ )
+            {
+                if( !av_sample_fmt_is_planar( p_codec->sample_fmts[i] ) )
+                {
+                    p_context->sample_fmt = p_codec->sample_fmts[i];
+                    msg_Dbg( p_enc, "Changing to packet format %s as new sample format", av_get_sample_fmt_name( p_context->sample_fmt ) );
+                    break;
+                }
+            }
+        }
+        msg_Dbg( p_enc, "Ended up using %s as sample format", av_get_sample_fmt_name( p_context->sample_fmt ) );
+        p_enc->fmt_in.i_codec  = GetVlcAudioFormat( p_context->sample_fmt );
+        p_sys->b_planar = av_sample_fmt_is_planar( p_context->sample_fmt );
+
         p_context->sample_rate = p_enc->fmt_out.audio.i_rate;
+        date_Init( &p_sys->buffer_date, p_enc->fmt_out.audio.i_rate, 1 );
+        date_Set( &p_sys->buffer_date, 0 );
+        p_context->time_base.num = 1;
+        p_context->time_base.den = p_context->sample_rate;
         p_context->channels    = p_enc->fmt_out.audio.i_channels;
+#if LIBAVUTIL_VERSION_CHECK( 52, 2, 6, 0, 0)
+        p_context->channel_layout = av_get_default_channel_layout( p_context->channels );
+#endif
 
-        if ( p_enc->fmt_out.i_codec == VLC_FOURCC('m','p','4','a') )
+        if ( p_enc->fmt_out.i_codec == VLC_CODEC_MP4A )
         {
             /* XXX: FAAC does resample only when setting the INPUT samplerate
              * to the desired value (-R option of the faac frontend)
             p_enc->fmt_in.audio.i_rate = p_context->sample_rate;*/
-#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(40<<8)+4)
             /* vlc should default to low-complexity profile, faac encoder
              * has bug and aac audio has issues otherwise atm */
             p_context->profile = p_sys->i_aac_profile;
-#endif
         }
     }
 
     /* Misc parameters */
     p_context->bit_rate = p_enc->fmt_out.i_bitrate;
 
-    if( i_codec_id == CODEC_ID_RAWVIDEO )
+    /* Set reasonable defaults to VP8, based on
+       libvpx-720p preset from libvpx ffmpeg-patch */
+    if( i_codec_id == AV_CODEC_ID_VP8 )
+    {
+        /* Lets give bitrate tolerance */
+        p_context->bit_rate_tolerance = __MAX(2 * (int)p_enc->fmt_out.i_bitrate, p_sys->i_vtolerance );
+        /* default to 120 frames between keyframe */
+        if( !var_GetInteger( p_enc, ENC_CFG_PREFIX "keyint" ) )
+            p_context->gop_size = 120;
+        /* Don't set rc-values atm, they were from time before
+           libvpx was officially in FFmpeg */
+        //p_context->rc_max_rate = 24 * 1000 * 1000; //24M
+        //p_context->rc_min_rate = 40 * 1000; // 40k
+        /* seems that FFmpeg presets have 720p as divider for buffers */
+        if( p_enc->fmt_out.video.i_height >= 720 )
+        {
+            /* Check that we don't overrun users qmin/qmax values */
+            if( !var_GetInteger( p_enc, ENC_CFG_PREFIX "qmin" ) )
+            {
+                p_context->qmin = 10;
+                p_context->mb_lmin = p_context->lmin = 10 * FF_QP2LAMBDA;
+            }
+
+            if( !var_GetInteger( p_enc, ENC_CFG_PREFIX "qmax" ) )
+            {
+                p_context->qmax = 42;
+                p_context->mb_lmax = p_context->lmax = 42 * FF_QP2LAMBDA;
+            }
+
+            } else {
+            if( !var_GetInteger( p_enc, ENC_CFG_PREFIX "qmin" ) )
+            {
+                p_context->qmin = 1;
+                p_context->mb_lmin = p_context->lmin = FF_QP2LAMBDA;
+            }
+        }
+
+
+#if 0 /* enable when/if vp8 encoder is accepted in libavcodec */
+        p_context->lag = 16;
+        p_context->level = 216;
+        p_context->profile = 0;
+        p_context->rc_buffer_aggressivity = 0.95;
+        p_context->token_partitions = 4;
+        p_context->mb_static_threshold = 0;
+#endif
+    }
+
+    if( i_codec_id == AV_CODEC_ID_RAWVIDEO )
     {
         /* XXX: hack: Force same codec (will be handled by transcode) */
         p_enc->fmt_in.video.i_chroma = p_enc->fmt_in.i_codec = p_enc->fmt_out.i_codec;
-        GetFfmpegChroma( &p_context->pix_fmt, p_enc->fmt_in.video );
+        GetFfmpegChroma( &p_context->pix_fmt, &p_enc->fmt_in.video );
     }
 
     /* Make sure we get extradata filled by the encoder */
@@ -617,179 +732,182 @@ int OpenEncoder( vlc_object_t *p_this )
     p_context->extradata = NULL;
     p_context->flags |= CODEC_FLAG_GLOBAL_HEADER;
 
-    vlc_mutex_lock( &avcodec_lock );
+    if( p_enc->i_threads >= 1)
+        p_context->thread_count = p_enc->i_threads;
+    else
+        p_context->thread_count = vlc_GetCPUCount();
+
+    int ret;
+    char *psz_opts = var_InheritString(p_enc, ENC_CFG_PREFIX "options");
+    AVDictionary *options = NULL;
+    if (psz_opts && *psz_opts)
+        options = vlc_av_get_options(psz_opts);
+    free(psz_opts);
+
+    vlc_avcodec_lock();
+    ret = avcodec_open2( p_context, p_codec, options ? &options : NULL );
+    vlc_avcodec_unlock();
+
+    AVDictionaryEntry *t = NULL;
+    while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) {
+        msg_Err(p_enc, "Unknown option \"%s\"", t->key);
+    }
 
-    if( avcodec_open( p_context, p_codec ) )
+    if( ret )
     {
-        vlc_mutex_unlock( &avcodec_lock );
-        if( p_enc->fmt_in.i_cat == AUDIO_ES &&
-             (p_context->channels > 2 || i_codec_id == CODEC_ID_MP2
-               || i_codec_id == CODEC_ID_MP3) )
+        if( p_enc->fmt_in.i_cat != AUDIO_ES ||
+                (p_context->channels <= 2 && i_codec_id != AV_CODEC_ID_MP2
+                 && i_codec_id != AV_CODEC_ID_MP3) )
         {
-            if( p_context->channels > 2 )
-            {
-                p_context->channels = 2;
-                p_enc->fmt_in.audio.i_channels = 2; // FIXME
-                msg_Warn( p_enc, "stereo mode selected (codec limitation)" );
-            }
+            msg_Err( p_enc, "cannot open encoder" );
+            dialog_Fatal( p_enc, _("Streaming / Transcoding failed"),
+                    "%s", _("VLC could not open the encoder.") );
+            av_dict_free(&options);
+            goto error;
+        }
 
-            if( i_codec_id == CODEC_ID_MP2 || i_codec_id == CODEC_ID_MP3 )
-            {
-                int i_frequency, i;
+        if( p_context->channels > 2 )
+        {
+            p_context->channels = 2;
+            p_enc->fmt_in.audio.i_channels = 2; // FIXME
+            msg_Warn( p_enc, "stereo mode selected (codec limitation)" );
+        }
 
-                for ( i_frequency = 0; i_frequency < 6; i_frequency++ )
-                {
-                    if ( p_enc->fmt_out.audio.i_rate
-                            == mpa_freq_tab[i_frequency] )
-                        break;
-                }
-                if ( i_frequency == 6 )
-                {
-                    msg_Err( p_enc, "MPEG audio doesn't support frequency=%d",
-                             p_enc->fmt_out.audio.i_rate );
-                    free( p_sys );
-                    return VLC_EGENERIC;
-                }
+        if( i_codec_id == AV_CODEC_ID_MP2 || i_codec_id == AV_CODEC_ID_MP3 )
+        {
+            int i_frequency, i;
+            es_format_t *fmt = &p_enc->fmt_out;
 
-                for ( i = 1; i < 14; i++ )
-                {
-                    if ( p_enc->fmt_out.i_bitrate / 1000
-                          <= mpa_bitrate_tab[i_frequency / 3][i] )
-                        break;
-                }
-                if ( p_enc->fmt_out.i_bitrate / 1000
-                      != mpa_bitrate_tab[i_frequency / 3][i] )
-                {
-                    msg_Warn( p_enc,
-                              "MPEG audio doesn't support bitrate=%d, using %d",
-                              p_enc->fmt_out.i_bitrate,
-                              mpa_bitrate_tab[i_frequency / 3][i] * 1000 );
-                    p_enc->fmt_out.i_bitrate =
-                        mpa_bitrate_tab[i_frequency / 3][i] * 1000;
-                    p_context->bit_rate = p_enc->fmt_out.i_bitrate;
-                }
+            for ( i_frequency = 0; i_frequency < 6; i_frequency++ )
+                if ( fmt->audio.i_rate == mpa_freq_tab[i_frequency] )
+                    break;
+
+            if ( i_frequency == 6 )
+            {
+                msg_Err( p_enc, "MPEG audio doesn't support frequency=%d",
+                        fmt->audio.i_rate );
+                av_dict_free(&options);
+                goto error;
             }
 
-            p_context->codec = NULL;
-            vlc_mutex_lock( &avcodec_lock );
-            if( avcodec_open( p_context, p_codec ) )
+            for ( i = 1; i < 14; i++ )
+                if (fmt->i_bitrate/1000 <= mpa_bitrate_tab[i_frequency / 3][i])
+                    break;
+
+            if (fmt->i_bitrate / 1000 != mpa_bitrate_tab[i_frequency / 3][i])
             {
-                vlc_mutex_unlock( &avcodec_lock );
-                msg_Err( p_enc, "cannot open encoder" );
-                intf_UserFatal( p_enc, false,
-                                _("Streaming / Transcoding failed"),
-                                _("VLC could not open the encoder.") );
-                free( p_sys );
-                return VLC_EGENERIC;
+                msg_Warn( p_enc,
+                        "MPEG audio doesn't support bitrate=%d, using %d",
+                        fmt->i_bitrate,
+                        mpa_bitrate_tab[i_frequency / 3][i] * 1000 );
+                fmt->i_bitrate = mpa_bitrate_tab[i_frequency / 3][i] * 1000;
+                p_context->bit_rate = fmt->i_bitrate;
             }
         }
-        else
+
+        p_context->codec = NULL;
+        vlc_avcodec_lock();
+        ret = avcodec_open2( p_context, p_codec, options ? &options : NULL );
+        vlc_avcodec_unlock();
+        if( ret )
         {
             msg_Err( p_enc, "cannot open encoder" );
-            intf_UserFatal( p_enc, false, _("Streaming / Transcoding failed"),
-                            _("VLC could not open the encoder.") );
-            free( p_sys );
-            return VLC_EGENERIC;
+            dialog_Fatal( p_enc,
+                    _("Streaming / Transcoding failed"),
+                    "%s", _("VLC could not open the encoder.") );
+            av_dict_free(&options);
+            goto error;
         }
     }
-    vlc_mutex_unlock( &avcodec_lock );
 
-    p_enc->fmt_out.i_extra = p_context->extradata_size;
-    if( p_enc->fmt_out.i_extra )
+    av_dict_free(&options);
+
+    if( i_codec_id == AV_CODEC_ID_FLAC )
     {
+        p_enc->fmt_out.i_extra = 4 + 1 + 3 + p_context->extradata_size;
         p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
-        memcpy( p_enc->fmt_out.p_extra, p_context->extradata,
-                p_enc->fmt_out.i_extra );
+        if( p_enc->fmt_out.p_extra )
+        {
+            uint8_t *p = p_enc->fmt_out.p_extra;
+            p[0] = 0x66;    /* f */
+            p[1] = 0x4C;    /* L */
+            p[2] = 0x61;    /* a */
+            p[3] = 0x43;    /* C */
+            p[4] = 0x80;    /* streaminfo block, last block before audio */
+            p[5] = ( p_context->extradata_size >> 16 ) & 0xff;
+            p[6] = ( p_context->extradata_size >>  8 ) & 0xff;
+            p[7] = ( p_context->extradata_size       ) & 0xff;
+            memcpy( &p[8], p_context->extradata, p_context->extradata_size );
+        }
+        else
+        {
+            p_enc->fmt_out.i_extra = 0;
+        }
     }
-    p_context->flags &= ~CODEC_FLAG_GLOBAL_HEADER;
-
-    if( p_enc->fmt_in.i_cat == AUDIO_ES )
+    else
     {
-        p_sys->i_buffer_out = 2 * AVCODEC_MAX_AUDIO_FRAME_SIZE;
-        p_sys->p_buffer_out = malloc( p_sys->i_buffer_out );
-        p_sys->i_frame_size = p_context->frame_size * 2 * p_context->channels;
-        p_sys->p_buffer = malloc( p_sys->i_frame_size );
-        p_enc->fmt_out.audio.i_blockalign = p_context->block_align;
+        p_enc->fmt_out.i_extra = p_context->extradata_size;
+        if( p_enc->fmt_out.i_extra )
+        {
+            p_enc->fmt_out.p_extra = malloc( p_enc->fmt_out.i_extra );
+            if ( p_enc->fmt_out.p_extra == NULL )
+            {
+                goto error;
+            }
+            memcpy( p_enc->fmt_out.p_extra, p_context->extradata,
+                    p_enc->fmt_out.i_extra );
+        }
     }
 
-    msg_Dbg( p_enc, "found encoder %s", psz_namecodec );
-
-    return VLC_SUCCESS;
-}
+    p_context->flags &= ~CODEC_FLAG_GLOBAL_HEADER;
 
-/****************************************************************************
- * Ffmpeg threading system
- ****************************************************************************/
-static void* FfmpegThread( vlc_object_t *p_this )
-{
-    struct thread_context_t *p_context = (struct thread_context_t *)p_this;
-    int canc = vlc_savecancel ();
-    while ( vlc_object_alive (p_context) && !p_context->b_error )
+    if( p_enc->fmt_in.i_cat == AUDIO_ES )
     {
-        vlc_mutex_lock( &p_context->lock );
-        while ( !p_context->b_work && vlc_object_alive (p_context) && !p_context->b_error )
+        p_enc->fmt_in.i_codec = GetVlcAudioFormat( p_sys->p_context->sample_fmt );
+        p_enc->fmt_in.audio.i_bitspersample = aout_BitsPerSample( p_enc->fmt_in.i_codec );
+
+        p_sys->i_sample_bytes = (p_enc->fmt_in.audio.i_bitspersample / 8);
+        p_sys->i_frame_size = p_context->frame_size > 1 ?
+                                    p_context->frame_size :
+                                    FF_MIN_BUFFER_SIZE;
+        p_sys->p_buffer = malloc( p_sys->i_frame_size * p_sys->i_sample_bytes * p_enc->fmt_in.audio.i_channels);
+        if ( unlikely( p_sys->p_buffer == NULL ) )
         {
-            vlc_cond_wait( &p_context->cond, &p_context->lock );
+            goto error;
         }
-        p_context->b_work = 0;
-        vlc_mutex_unlock( &p_context->lock );
-        if ( !vlc_object_alive (p_context) || p_context->b_error )
-            break;
+        p_enc->fmt_out.audio.i_blockalign = p_context->block_align;
+        p_enc->fmt_out.audio.i_bitspersample = aout_BitsPerSample( p_enc->fmt_out.i_codec );
+        //b_variable tells if we can feed any size frames to encoder
+        p_sys->b_variable = p_context->frame_size ? false : true;
+
+        p_sys->i_buffer_out = p_sys->i_frame_size * p_sys->i_sample_bytes * p_enc->fmt_in.audio.i_channels;
 
-        if ( p_context->pf_func )
+        if( p_sys->b_planar )
         {
-            p_context->i_ret = p_context->pf_func( p_context->p_context,
-                                                   p_context->arg );
+            p_sys->p_interleave_buf = malloc( p_sys->i_buffer_out );
+            if( unlikely( p_sys->p_interleave_buf == NULL ) )
+                goto error;
         }
-
-        vlc_mutex_lock( &p_context->lock );
-        p_context->b_done = 1;
-        vlc_cond_signal( &p_context->cond );
-        vlc_mutex_unlock( &p_context->lock );
     }
 
-    vlc_restorecancel (canc);
-    return NULL;
-}
-
-static int FfmpegExecute( AVCodecContext *s,
-                          int (*pf_func)(AVCodecContext *c2, void *arg2),
-                          void **arg, int *ret, int count )
-{
-    struct thread_context_t ** pp_contexts =
-                         (struct thread_context_t **)s->thread_opaque;
-    int i;
-
-    /* Note, we can be certain that this is not called with the same
-     * AVCodecContext by different threads at the same time */
-    for ( i = 0; i < count; i++ )
+    p_sys->frame = avcodec_alloc_frame();
+    if( !p_sys->frame )
     {
-        vlc_mutex_lock( &pp_contexts[i]->lock );
-        pp_contexts[i]->arg = arg[i];
-        pp_contexts[i]->pf_func = pf_func;
-        pp_contexts[i]->i_ret = 12345;
-        pp_contexts[i]->b_work = 1;
-        vlc_cond_signal( &pp_contexts[i]->cond );
-        vlc_mutex_unlock( &pp_contexts[i]->lock );
+        goto error;
     }
-    for ( i = 0; i < count; i++ )
-    {
-        vlc_mutex_lock( &pp_contexts[i]->lock );
-        while ( !pp_contexts[i]->b_done )
-        {
-            vlc_cond_wait( &pp_contexts[i]->cond, &pp_contexts[i]->lock );
-        }
-        pp_contexts[i]->b_done = 0;
-        pp_contexts[i]->pf_func = NULL;
-        vlc_mutex_unlock( &pp_contexts[i]->lock );
+    msg_Dbg( p_enc, "found encoder %s", psz_namecodec );
+    
+    p_enc->pf_encode_video = EncodeVideo;
+    p_enc->pf_encode_audio = EncodeAudio;
 
-        if ( ret )
-        {
-            ret[i] = pp_contexts[i]->i_ret;
-        }
-    }
 
-    return 0;
+    return VLC_SUCCESS;
+error:
+    free( p_enc->fmt_out.p_extra );
+    free( p_sys->p_buffer );
+    free( p_sys->p_interleave_buf );
+    free( p_sys );
+    return VLC_ENOMEM;
 }
 
 /****************************************************************************
@@ -798,339 +916,440 @@ static int FfmpegExecute( AVCodecContext *s,
 static block_t *EncodeVideo( encoder_t *p_enc, picture_t *p_pict )
 {
     encoder_sys_t *p_sys = p_enc->p_sys;
-    AVFrame frame;
-    int i_out, i_plane;
-
-    if ( !p_sys->b_inited && p_enc->i_threads >= 1 )
-    {
-        struct thread_context_t ** pp_contexts;
-        int i;
+    int i_out, i_plane, i_got_packet=1;
 
-        p_sys->b_inited = 1;
-        pp_contexts = malloc( sizeof(struct thread_context_t *)
-                                 * p_enc->i_threads );
-        p_sys->p_context->thread_opaque = (void *)pp_contexts;
-
-        for ( i = 0; i < p_enc->i_threads; i++ )
+    /* Initialize the video output buffer the first time.
+     * This is done here instead of OpenEncoder() because we need the actual
+     * bits_per_pixel value, without having to assume anything.
+     */
+    const int bytesPerPixel = p_enc->fmt_out.video.i_bits_per_pixel ?
+                         p_enc->fmt_out.video.i_bits_per_pixel / 8 : 3;
+    const int blocksize = __MAX( FF_MIN_BUFFER_SIZE,bytesPerPixel * p_sys->p_context->height * p_sys->p_context->width + 200 );
+    block_t *p_block = block_Alloc( blocksize );
+
+#if (LIBAVCODEC_VERSION_MAJOR >= 54)
+    AVPacket av_pkt;
+    /*We don't use av_pkt with major_version < 54, so no point init it*/
+    av_init_packet( &av_pkt );
+    av_pkt.data = p_block->p_buffer;
+    av_pkt.size = p_block->i_buffer;
+#endif
+    if( likely(p_pict) ) {
+        avcodec_get_frame_defaults( p_sys->frame );
+        for( i_plane = 0; i_plane < p_pict->i_planes; i_plane++ )
         {
-            pp_contexts[i] = vlc_object_create( p_enc,
-                                     sizeof(struct thread_context_t) );
-            pp_contexts[i]->p_context = p_sys->p_context;
-            vlc_mutex_init( &pp_contexts[i]->lock );
-            vlc_cond_init( &pp_contexts[i]->cond );
-            pp_contexts[i]->b_work = 0;
-            pp_contexts[i]->b_done = 0;
-            if ( vlc_thread_create( pp_contexts[i], "encoder", FfmpegThread,
-                                    VLC_THREAD_PRIORITY_VIDEO ) )
-            {
-                msg_Err( p_enc, "cannot spawn encoder thread, expect to die soon" );
-                return NULL;
-            }
+            p_sys->frame->data[i_plane] = p_pict->p[i_plane].p_pixels;
+            p_sys->frame->linesize[i_plane] = p_pict->p[i_plane].i_pitch;
         }
 
-        p_sys->p_context->execute = FfmpegExecute;
-    }
+        /* Let libavcodec select the frame type */
+        p_sys->frame->pict_type = 0;
 
-    memset( &frame, 0, sizeof( AVFrame ) );
-    for( i_plane = 0; i_plane < p_pict->i_planes; i_plane++ )
-    {
-        frame.data[i_plane] = p_pict->p[i_plane].p_pixels;
-        frame.linesize[i_plane] = p_pict->p[i_plane].i_pitch;
-    }
+        p_sys->frame->repeat_pict = p_pict->i_nb_fields - 2;
+        p_sys->frame->interlaced_frame = !p_pict->b_progressive;
+        p_sys->frame->top_field_first = !!p_pict->b_top_field_first;
 
-    /* Let ffmpeg select the frame type */
-    frame.pict_type = 0;
+        /* Set the pts of the frame being encoded */
+        p_sys->frame->pts = p_pict->date ? p_pict->date : (int64_t)AV_NOPTS_VALUE;
 
-    frame.repeat_pict = p_pict->i_nb_fields - 2;
-    frame.interlaced_frame = !p_pict->b_progressive;
-    frame.top_field_first = !!p_pict->b_top_field_first;
-
-    /* Set the pts of the frame being encoded (segfaults with mpeg4!)*/
-    if( p_enc->fmt_out.i_codec != VLC_FOURCC( 'm', 'p', '4', 'v' ) )
-    {
-        frame.pts = p_pict->date ? p_pict->date : (int64_t)AV_NOPTS_VALUE;
-
-        if ( p_sys->b_hurry_up && frame.pts != (int64_t)AV_NOPTS_VALUE )
+        if ( p_sys->b_hurry_up && p_sys->frame->pts != (int64_t)AV_NOPTS_VALUE )
         {
             mtime_t current_date = mdate();
 
-            if ( current_date + HURRY_UP_GUARD3 > frame.pts )
+            if ( current_date + HURRY_UP_GUARD3 > p_sys->frame->pts )
             {
                 p_sys->p_context->mb_decision = FF_MB_DECISION_SIMPLE;
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-                p_sys->p_context->flags &= ~CODEC_FLAG_TRELLIS_QUANT;
-#else
                 p_sys->p_context->trellis = 0;
-#endif
                 msg_Dbg( p_enc, "hurry up mode 3" );
             }
             else
             {
                 p_sys->p_context->mb_decision = p_sys->i_hq;
 
-                if ( current_date + HURRY_UP_GUARD2 > frame.pts )
+                if ( current_date + HURRY_UP_GUARD2 > p_sys->frame->pts )
                 {
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-                    p_sys->p_context->flags &= ~CODEC_FLAG_TRELLIS_QUANT;
-#else
                     p_sys->p_context->trellis = 0;
-#endif
                     p_sys->p_context->noise_reduction = p_sys->i_noise_reduction
-                         + (HURRY_UP_GUARD2 + current_date - frame.pts) / 500;
+                        + (HURRY_UP_GUARD2 + current_date - p_sys->frame->pts) / 500;
                     msg_Dbg( p_enc, "hurry up mode 2" );
                 }
                 else
                 {
-#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
-                    if ( p_sys->b_trellis )
-                        p_sys->p_context->flags |= CODEC_FLAG_TRELLIS_QUANT;
-#else
                     p_sys->p_context->trellis = p_sys->b_trellis;
-#endif
 
                     p_sys->p_context->noise_reduction =
-                        p_sys->i_noise_reduction;
+                       p_sys->i_noise_reduction;
                 }
             }
 
-            if ( current_date + HURRY_UP_GUARD1 > frame.pts )
+            if ( current_date + HURRY_UP_GUARD1 > p_sys->frame->pts )
             {
-                frame.pict_type = FF_P_TYPE;
+                p_sys->frame->pict_type = AV_PICTURE_TYPE_P;
                 /* msg_Dbg( p_enc, "hurry up mode 1 %lld", current_date + HURRY_UP_GUARD1 - frame.pts ); */
             }
         }
+
+        if ( p_sys->frame->pts != (int64_t)AV_NOPTS_VALUE && p_sys->frame->pts != 0 )
+        {
+            if ( p_sys->i_last_pts == p_sys->frame->pts )
+            {
+                msg_Warn( p_enc, "almost fed libavcodec with two frames with the "
+                         "same PTS (%"PRId64 ")", p_sys->frame->pts );
+                return NULL;
+            }
+            else if ( p_sys->i_last_pts > p_sys->frame->pts )
+            {
+                msg_Warn( p_enc, "almost fed libavcodec with a frame in the "
+                         "past (current: %"PRId64 ", last: %"PRId64")",
+                         p_sys->frame->pts, p_sys->i_last_pts );
+                return NULL;
+            }
+            else
+            {
+                p_sys->i_last_pts = p_sys->frame->pts;
+            }
+        }
+
+        p_sys->frame->quality = p_sys->i_quality;
+
+#if (LIBAVCODEC_VERSION_MAJOR < 54)
+        i_out = avcodec_encode_video( p_sys->p_context, p_block->p_buffer, p_block->i_buffer, p_sys->frame );
+#else
+        i_out = avcodec_encode_video2( p_sys->p_context, &av_pkt, p_sys->frame, &i_got_packet );
+#endif
     }
     else
     {
-        frame.pts = (int64_t)AV_NOPTS_VALUE;
+#if (LIBAVCODEC_VERSION_MAJOR < 54)
+        i_out = avcodec_encode_video( p_sys->p_context, p_block->p_buffer, p_block->i_buffer, NULL);
+#else
+        i_out = avcodec_encode_video2( p_sys->p_context, &av_pkt, NULL, &i_got_packet );
+#endif
     }
 
-    if ( frame.pts != (int64_t)AV_NOPTS_VALUE && frame.pts != 0 )
+    if( unlikely( i_out < 0 || i_got_packet == 0 ) )
     {
-        if ( p_sys->i_last_pts == frame.pts )
-        {
-            msg_Warn( p_enc, "almost fed libavcodec with two frames with the "
-                      "same PTS (%"PRId64 ")", frame.pts );
-            return NULL;
-        }
-        else if ( p_sys->i_last_pts > frame.pts )
-        {
-            msg_Warn( p_enc, "almost fed libavcodec with a frame in the "
-                      "past (current: %"PRId64 ", last: %"PRId64")",
-                      frame.pts, p_sys->i_last_pts );
-            return NULL;
-        }
-        else
-        {
-            p_sys->i_last_pts = frame.pts;
-        }
+        block_Release( p_block );
+        return NULL;
     }
 
-    frame.quality = p_sys->i_quality;
 
-    /* Ugly work-around for stupid libavcodec behaviour */
-    p_sys->i_framenum++;
-    p_sys->pi_delay_pts[p_sys->i_framenum % MAX_FRAME_DELAY] = frame.pts;
-    frame.pts = p_sys->i_framenum * AV_TIME_BASE *
-        p_enc->fmt_in.video.i_frame_rate_base;
-    frame.pts += p_enc->fmt_in.video.i_frame_rate - 1;
-    frame.pts /= p_enc->fmt_in.video.i_frame_rate;
-    /* End work-around */
+#if (LIBAVCODEC_VERSION_MAJOR < 54)
+    p_block->i_buffer = i_out;
 
-    i_out = avcodec_encode_video( p_sys->p_context, p_sys->p_buffer_out,
-                                  p_sys->i_buffer_out, &frame );
+    /* FIXME, 3-2 pulldown is not handled correctly */
+    p_block->i_length = INT64_C(1000000) *
+        p_enc->fmt_in.video.i_frame_rate_base /
+            p_enc->fmt_in.video.i_frame_rate;
 
-    if( i_out > 0 )
+    if( !p_sys->p_context->max_b_frames || !p_sys->p_context->delay )
     {
-        block_t *p_block = block_New( p_enc, i_out );
-        memcpy( p_block->p_buffer, p_sys->p_buffer_out, i_out );
-
-        /* FIXME, 3-2 pulldown is not handled correctly */
-        p_block->i_length = INT64_C(1000000) *
-            p_enc->fmt_in.video.i_frame_rate_base /
-                p_enc->fmt_in.video.i_frame_rate;
+        /* No delay -> output pts == input pts */
+        if( p_pict )
+            p_block->i_dts = p_pict->date;
+        p_block->i_pts = p_block->i_dts;
+    }
+    else if( p_sys->p_context->coded_frame->pts != (int64_t)AV_NOPTS_VALUE &&
+        p_sys->p_context->coded_frame->pts != 0 &&
+        p_sys->i_buggy_pts_detect != p_sys->p_context->coded_frame->pts )
+    {
+        p_sys->i_buggy_pts_detect = p_sys->p_context->coded_frame->pts;
+        p_block->i_pts = p_sys->p_context->coded_frame->pts;
 
-        if( !p_sys->p_context->max_b_frames || !p_sys->p_context->delay )
+        if( p_sys->p_context->coded_frame->pict_type != AV_PICTURE_TYPE_I &&
+            p_sys->p_context->coded_frame->pict_type != AV_PICTURE_TYPE_P )
         {
-            /* No delay -> output pts == input pts */
-            p_block->i_pts = p_block->i_dts = p_pict->date;
+            p_block->i_dts = p_block->i_pts;
         }
-        else if( p_sys->p_context->coded_frame->pts != (int64_t)AV_NOPTS_VALUE &&
-            p_sys->p_context->coded_frame->pts != 0 &&
-            p_sys->i_buggy_pts_detect != p_sys->p_context->coded_frame->pts )
+        else
         {
-            p_sys->i_buggy_pts_detect = p_sys->p_context->coded_frame->pts;
-            p_block->i_pts = p_sys->p_context->coded_frame->pts;
-
-            /* Ugly work-around for stupid libavcodec behaviour */
+            if( p_sys->i_last_ref_pts )
             {
-                int64_t i_framenum = p_block->i_pts *
-                    p_enc->fmt_in.video.i_frame_rate /
-                    p_enc->fmt_in.video.i_frame_rate_base / AV_TIME_BASE;
-
-                p_block->i_pts = p_sys->pi_delay_pts[i_framenum % MAX_FRAME_DELAY];
+                p_block->i_dts = p_sys->i_last_ref_pts;
             }
-            /* End work-around */
-
-            if( p_sys->p_context->coded_frame->pict_type != FF_I_TYPE &&
-                p_sys->p_context->coded_frame->pict_type != FF_P_TYPE )
+            else
             {
+                /* Let's put something sensible */
                 p_block->i_dts = p_block->i_pts;
             }
-            else
-            {
-                if( p_sys->i_last_ref_pts )
-                {
-                    p_block->i_dts = p_sys->i_last_ref_pts;
-                }
-                else
-                {
-                    /* Let's put something sensible */
-                    p_block->i_dts = p_block->i_pts;
-                }
 
-                p_sys->i_last_ref_pts = p_block->i_pts;
-            }
-        }
-        else
-        {
-            /* Buggy libavcodec which doesn't update coded_frame->pts
-             * correctly */
-            p_block->i_dts = p_block->i_pts = p_pict->date;
+            p_sys->i_last_ref_pts = p_block->i_pts;
         }
+    }
+    else if( p_pict )
+    {
+        /* Buggy libavcodec which doesn't update coded_frame->pts
+         * correctly */
+        p_block->i_dts = p_block->i_pts = p_pict->date;
+    }
+#else
+    p_block->i_buffer = av_pkt.size;
 
-        switch ( p_sys->p_context->coded_frame->pict_type )
-        {
-        case FF_I_TYPE:
-            p_block->i_flags |= BLOCK_FLAG_TYPE_I;
-            break;
-        case FF_P_TYPE:
-            p_block->i_flags |= BLOCK_FLAG_TYPE_P;
-            break;
-        case FF_B_TYPE:
-            p_block->i_flags |= BLOCK_FLAG_TYPE_B;
-            break;
-        }
+    p_block->i_length = av_pkt.duration / p_sys->p_context->time_base.den;
+
+    p_block->i_pts = av_pkt.pts;
+    p_block->i_dts = av_pkt.dts;
+    if( unlikely( av_pkt.flags & AV_PKT_FLAG_CORRUPT ) )
+        p_block->i_flags |= BLOCK_FLAG_CORRUPTED;
+#endif
 
-        return p_block;
+    switch ( p_sys->p_context->coded_frame->pict_type )
+    {
+    case AV_PICTURE_TYPE_I:
+    case AV_PICTURE_TYPE_SI:
+        p_block->i_flags |= BLOCK_FLAG_TYPE_I;
+        break;
+    case AV_PICTURE_TYPE_P:
+    case AV_PICTURE_TYPE_SP:
+        p_block->i_flags |= BLOCK_FLAG_TYPE_P;
+        break;
+    case AV_PICTURE_TYPE_B:
+    case AV_PICTURE_TYPE_BI:
+        p_block->i_flags |= BLOCK_FLAG_TYPE_B;
+        break;
+    default:
+        p_block->i_flags |= BLOCK_FLAG_TYPE_PB;
     }
 
-    return NULL;
+    return p_block;
 }
 
 /****************************************************************************
  * EncodeAudio: the whole thing
  ****************************************************************************/
-static block_t *EncodeAudio( encoder_t *p_enc, aout_buffer_t *p_aout_buf )
+static block_t *EncodeAudio( encoder_t *p_enc, block_t *p_aout_buf )
 {
     encoder_sys_t *p_sys = p_enc->p_sys;
+
     block_t *p_block, *p_chain = NULL;
+    int got_packet,i_out;
+    size_t buffer_delay = 0, i_samples_left = 0;
+
+    //i_bytes_left is amount of bytes we get
+    i_samples_left = p_aout_buf ? p_aout_buf->i_nb_samples : 0;
+    buffer_delay = p_sys->i_samples_delay * p_sys->i_sample_bytes * p_enc->fmt_in.audio.i_channels;
+
+    //p_sys->i_buffer_out = p_sys->i_frame_size * chan * p_sys->i_sample_bytes
+    //Calculate how many bytes we would need from current buffer to fill frame
+    size_t leftover_samples = __MAX(0,__MIN((ssize_t)i_samples_left, (ssize_t)(p_sys->i_frame_size - p_sys->i_samples_delay)));
+
+    // Check if we have enough samples in delay_buffer and current p_aout_buf to fill frame
+    // Or if we are cleaning up
+    if( ( buffer_delay > 0 ) &&
+            ( ( p_aout_buf && ( leftover_samples <= p_aout_buf->i_nb_samples ) &&
+               ( (leftover_samples + p_sys->i_samples_delay ) >= p_sys->i_frame_size )
+              ) ||
+             ( !p_aout_buf ) 
+            )
+         )
+    {
+        //How much we need to copy from new packet
+        const int leftover = leftover_samples * p_enc->fmt_in.audio.i_channels * p_sys->i_sample_bytes;
 
-    uint8_t *p_buffer = p_aout_buf->p_buffer;
-    int i_samples = p_aout_buf->i_nb_samples;
-    int i_samples_delay = p_sys->i_samples_delay;
+#if LIBAVUTIL_VERSION_CHECK( 51,27,2,46,100 )
+        const int align = 0;
+#else
+        const int align = 1;
+#endif
 
-    p_sys->i_pts = p_aout_buf->start_date -
-                (mtime_t)1000000 * (mtime_t)p_sys->i_samples_delay /
-                (mtime_t)p_enc->fmt_in.audio.i_rate;
+        AVPacket packet = {0};
+        avcodec_get_frame_defaults( p_sys->frame );
+        p_sys->frame->format     = p_sys->p_context->sample_fmt;
+        p_sys->frame->pts        = date_Get( &p_sys->buffer_date );
+        p_sys->frame->nb_samples = leftover_samples + p_sys->i_samples_delay;
+        date_Increment( &p_sys->buffer_date, p_sys->i_frame_size );
 
-    p_sys->i_samples_delay += i_samples;
+        if( likely( p_aout_buf ) )
+        {
+            p_aout_buf->i_nb_samples -= leftover_samples;
+            memcpy( p_sys->p_buffer+buffer_delay, p_aout_buf->p_buffer, leftover );
 
-    while( p_sys->i_samples_delay >= p_sys->p_context->frame_size )
-    {
-        int16_t *p_samples;
-        int i_out;
+            // We need to deinterleave from p_aout_buf to p_buffer the leftover bytes
+            if( p_sys->b_planar )
+                aout_Deinterleave( p_sys->p_interleave_buf, p_sys->p_buffer,
+                    p_sys->i_frame_size, p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.i_codec );
+            else
+                memcpy( p_sys->p_buffer + buffer_delay, p_aout_buf->p_buffer, leftover);
 
-        if( i_samples_delay )
+            p_aout_buf->p_buffer     += leftover;
+            p_aout_buf->i_buffer     -= leftover;
+            p_aout_buf->i_pts         = date_Get( &p_sys->buffer_date );
+        }
+        if(unlikely( ( (leftover + buffer_delay) < p_sys->i_buffer_out ) &&
+                     !(p_sys->p_codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME ))
+          )
         {
-            /* Take care of the left-over from last time */
-            int i_delay_size = i_samples_delay * 2 *
-                                 p_sys->p_context->channels;
-            int i_size = p_sys->i_frame_size - i_delay_size;
-
-            p_samples = (int16_t *)p_sys->p_buffer;
-            memcpy( p_sys->p_buffer + i_delay_size, p_buffer, i_size );
-            p_buffer -= i_delay_size;
-            i_samples += i_samples_delay;
-            i_samples_delay = 0;
+            msg_Dbg( p_enc, "No small last frame support, padding");
+            size_t padding_size = p_sys->i_buffer_out - (leftover+buffer_delay);
+            memset( p_sys->p_buffer + (leftover+buffer_delay), 0, padding_size );
+            buffer_delay += padding_size;
         }
-        else
+        if( avcodec_fill_audio_frame( p_sys->frame, p_enc->fmt_in.audio.i_channels,
+                p_sys->p_context->sample_fmt, p_sys->b_planar ? p_sys->p_interleave_buf : p_sys->p_buffer,
+                leftover + buffer_delay,
+                align) < 0 )
+            msg_Err( p_enc, "filling error on fillup" );
+
+        buffer_delay = 0;
+        p_sys->i_samples_delay = 0;
+
+        p_block = block_Alloc( p_sys->i_buffer_out );
+        av_init_packet( &packet );
+        packet.data = p_block->p_buffer;
+        packet.size = p_block->i_buffer;
+
+        i_out = avcodec_encode_audio2( p_sys->p_context, &packet, p_sys->frame, &got_packet );
+
+        if( unlikely( !got_packet || ( i_out < 0 ) || !packet.size ) )
         {
-            p_samples = (int16_t *)p_buffer;
+            if( i_out < 0 )
+            {
+                msg_Err( p_enc,"Encoding problem..");
+                return p_chain;
+            }
+            block_Release( p_block );
+            return NULL;
         }
 
-        i_out = avcodec_encode_audio( p_sys->p_context, p_sys->p_buffer_out,
-                                      p_sys->i_buffer_out, p_samples );
+        p_block->i_buffer = packet.size;
+        p_block->i_length = (mtime_t)1000000 *
+            (mtime_t)p_sys->frame->nb_samples /
+            (mtime_t)p_sys->p_context->sample_rate;
+
+        p_block->i_dts = p_block->i_pts = packet.pts;
+
+        block_ChainAppend( &p_chain, p_block );
+    }
 
-#if 0
-        msg_Warn( p_enc, "avcodec_encode_audio: %d", i_out );
+    if( unlikely( !p_aout_buf ) )
+    {
+        msg_Dbg(p_enc,"Flushing..");
+        do {
+            AVPacket packet = {0};
+            p_block = block_Alloc( p_sys->i_buffer_out );
+            av_init_packet( &packet );
+            packet.data = p_block->p_buffer;
+            packet.size = p_block->i_buffer;
+
+            i_out = avcodec_encode_audio2( p_sys->p_context, &packet, NULL, &got_packet );
+            p_block->i_buffer = packet.size;
+
+            p_block->i_length = (mtime_t)1000000 *
+             (mtime_t)p_sys->i_frame_size /
+             (mtime_t)p_sys->p_context->sample_rate;
+
+            p_block->i_dts = p_block->i_pts = packet.pts;
+
+            if( i_out >= 0 && got_packet )
+                block_ChainAppend( &p_chain, p_block );
+        } while( got_packet && (i_out>=0) );
+        return p_chain;
+    }
+
+
+    while( ( p_aout_buf->i_nb_samples >= p_sys->i_frame_size ) ||
+           ( p_sys->b_variable && p_aout_buf->i_nb_samples ) )
+    {
+        AVPacket packet = {0};
+#if LIBAVUTIL_VERSION_CHECK( 51,27,2,46,100 )
+        const int align = 0;
+#else
+        const int align = 1;
 #endif
-        if( i_out < 0 ) break;
 
-        p_buffer += p_sys->i_frame_size;
-        p_sys->i_samples_delay -= p_sys->p_context->frame_size;
-        i_samples -= p_sys->p_context->frame_size;
+        if( unlikely( p_aout_buf->i_pts > VLC_TS_INVALID &&
+                      p_aout_buf->i_pts != date_Get( &p_sys->buffer_date ) ) )
+            date_Set( &p_sys->buffer_date, p_aout_buf->i_pts );
 
-        if( i_out == 0 ) continue;
+        avcodec_get_frame_defaults( p_sys->frame );
+        if( p_sys->b_variable )
+            p_sys->frame->nb_samples = p_aout_buf->i_nb_samples;
+        else
+            p_sys->frame->nb_samples = p_sys->i_frame_size;
+        p_sys->frame->format     = p_sys->p_context->sample_fmt;
+        p_sys->frame->pts        = date_Get( &p_sys->buffer_date );
 
-        p_block = block_New( p_enc, i_out );
-        memcpy( p_block->p_buffer, p_sys->p_buffer_out, i_out );
+        if( p_sys->b_planar )
+        {
+            aout_Deinterleave( p_sys->p_buffer, p_aout_buf->p_buffer,
+                               p_sys->frame->nb_samples, p_enc->fmt_in.audio.i_channels, p_enc->fmt_in.i_codec );
+
+        }
+
+        if( avcodec_fill_audio_frame( p_sys->frame, p_enc->fmt_in.audio.i_channels,
+                                    p_sys->p_context->sample_fmt,
+                                    p_sys->b_planar ? p_sys->p_buffer : p_aout_buf->p_buffer,
+                                    __MIN(p_sys->i_buffer_out, p_aout_buf->i_buffer),
+                                    align) < 0 )
+                 msg_Err( p_enc, "filling error on encode" );
+
+        p_aout_buf->p_buffer     += (p_sys->frame->nb_samples * p_enc->fmt_in.audio.i_channels * p_sys->i_sample_bytes);
+        p_aout_buf->i_buffer     -= (p_sys->frame->nb_samples * p_enc->fmt_in.audio.i_channels * p_sys->i_sample_bytes);
+        p_aout_buf->i_nb_samples -= p_sys->frame->nb_samples;
+        date_Increment( &p_sys->buffer_date, p_sys->frame->nb_samples );
+
+
+        p_block = block_Alloc( p_sys->i_buffer_out );
+        av_init_packet( &packet );
+        packet.data = p_block->p_buffer;
+        packet.size = p_block->i_buffer;
+
+        i_out = avcodec_encode_audio2( p_sys->p_context, &packet, p_sys->frame, &got_packet );
+        p_block->i_buffer = packet.size;
+
+        if( unlikely( !got_packet || ( i_out < 0 ) ) )
+        {
+            if( i_out < 0 )
+            {
+                msg_Err( p_enc,"Encoding problem..");
+                return p_chain;
+            }
+            block_Release( p_block );
+            continue;
+        }
+
+        p_block->i_buffer = packet.size;
 
         p_block->i_length = (mtime_t)1000000 *
-            (mtime_t)p_sys->p_context->frame_size /
+            (mtime_t)p_sys->frame->nb_samples /
             (mtime_t)p_sys->p_context->sample_rate;
 
-        p_block->i_dts = p_block->i_pts = p_sys->i_pts;
+        p_block->i_dts = p_block->i_pts = packet.pts;
 
-        /* Update pts */
-        p_sys->i_pts += p_block->i_length;
         block_ChainAppend( &p_chain, p_block );
     }
 
-    /* Backup the remaining raw samples */
-    if( i_samples )
+    // We have leftover samples that don't fill frame_size, and libavcodec doesn't seem to like
+    // that frame has more data than p_sys->i_frame_size most of the cases currently.
+    if( p_aout_buf->i_nb_samples > 0 )
     {
-        memcpy( p_sys->p_buffer + i_samples_delay * 2 *
-                p_sys->p_context->channels, p_buffer,
-                i_samples * 2 * p_sys->p_context->channels );
+       memcpy( p_sys->p_buffer + buffer_delay, p_aout_buf->p_buffer,
+               p_aout_buf->i_nb_samples * p_sys->i_sample_bytes * p_enc->fmt_in.audio.i_channels);
+       p_sys->i_samples_delay += p_aout_buf->i_nb_samples;
     }
 
     return p_chain;
 }
 
 /*****************************************************************************
- * CloseEncoder: ffmpeg encoder destruction
+ * CloseEncoder: libavcodec encoder destruction
  *****************************************************************************/
 void CloseEncoder( vlc_object_t *p_this )
 {
     encoder_t *p_enc = (encoder_t *)p_this;
     encoder_sys_t *p_sys = p_enc->p_sys;
 
-    if ( p_sys->b_inited && p_enc->i_threads >= 1 )
-    {
-        int i;
-        struct thread_context_t ** pp_contexts =
-                (struct thread_context_t **)p_sys->p_context->thread_opaque;
-        for ( i = 0; i < p_enc->i_threads; i++ )
-        {
-            vlc_object_kill( pp_contexts[i] );
-            vlc_cond_signal( &pp_contexts[i]->cond );
-            vlc_thread_join( pp_contexts[i] );
-            vlc_mutex_destroy( &pp_contexts[i]->lock );
-            vlc_cond_destroy( &pp_contexts[i]->cond );
-            vlc_object_release( pp_contexts[i] );
-        }
-
-        free( pp_contexts );
-    }
+    /*FIXME: we should use avcodec_free_frame, but we don't require so new avcodec that has it*/
+    av_freep( &p_sys->frame );
 
-    vlc_mutex_lock( &avcodec_lock );
+    vlc_avcodec_lock();
     avcodec_close( p_sys->p_context );
-    vlc_mutex_unlock( &avcodec_lock );
+    vlc_avcodec_unlock();
     av_free( p_sys->p_context );
 
+
+    free( p_sys->p_interleave_buf );
     free( p_sys->p_buffer );
-    free( p_sys->p_buffer_out );
 
     free( p_sys );
 }