/*****************************************************************************
- * video.c: video decoder using the ffmpeg library
+ * video.c: video decoder using the libavcodec library
*****************************************************************************
- * Copyright (C) 1999-2001 the VideoLAN team
+ * Copyright (C) 1999-2001 VLC authors and VideoLAN
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@videolan.org>
*
- * 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.
*****************************************************************************/
/*****************************************************************************
#include <vlc_common.h>
#include <vlc_codec.h>
-#include <vlc_vout.h>
-#include <vlc_input.h> /* hmmm, just for INPUT_RATE_DEFAULT */
-#include <vlc_codecs.h> /* BITMAPINFOHEADER */
-
-/* ffmpeg header */
-#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 <vlc_avcodec.h>
+#include <vlc_cpu.h>
+#include <vlc_modules.h>
+#include <assert.h>
+
+#include <libavcodec/avcodec.h>
+#include <libavutil/mem.h>
+#include <libavutil/pixdesc.h>
#include "avcodec.h"
+#include "va.h"
/*****************************************************************************
* decoder_sys_t : decoder descriptor
*****************************************************************************/
struct decoder_sys_t
{
- FFMPEG_COMMON_MEMBERS
+ AVCODEC_COMMON_MEMBERS
/* Video decoder specific part */
- mtime_t input_pts;
- mtime_t input_dts;
mtime_t i_pts;
AVFrame *p_ff_pic;
- BITMAPINFOHEADER *p_format;
/* for frame skipping algo */
- int b_hurry_up;
+ bool b_hurry_up;
enum AVDiscard i_skip_frame;
enum AVDiscard i_skip_idct;
mtime_t i_late_frames_start;
/* for direct rendering */
- int b_direct_rendering;
+ bool b_direct_rendering;
+ int i_direct_rendering_used;
bool b_has_b_frames;
/* Hack to force display of still pictures */
bool b_first_frame;
- int i_buffer_orig, i_buffer;
- char *p_buffer_orig, *p_buffer;
+
+ /* */
+#if LIBAVCODEC_VERSION_MAJOR < 54
+ AVPaletteControl palette;
+#else
+# warning FIXME
+#endif
+
+ /* */
+ bool b_flush;
+
+ /* VA API */
+ vlc_va_t *p_va;
+
+ vlc_sem_t sem_mt;
};
-/* FIXME (dummy palette for now) */
-static AVPaletteControl palette_control;
+#ifdef HAVE_AVCODEC_MT
+# define wait_mt(s) vlc_sem_wait( &s->sem_mt )
+# define post_mt(s) vlc_sem_post( &s->sem_mt )
+#else
+# define wait_mt(s)
+# define post_mt(s)
+#endif
/*****************************************************************************
* Local prototypes
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *, AVFrame * );
+static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *,
+ const enum PixelFormat * );
+static void vlc_va_Delete( vlc_va_t * );
static uint32_t ffmpeg_CodecTag( vlc_fourcc_t fcc )
{
/*****************************************************************************
* Local Functions
*****************************************************************************/
-static uint32_t ffmpeg_PixFmtToChroma( int i_ff_chroma )
-{
- switch( i_ff_chroma )
- {
- case PIX_FMT_YUV420P:
- case PIX_FMT_YUVJ420P: /* Hacky but better then chroma conversion */
- return VLC_FOURCC('I','4','2','0');
- case PIX_FMT_YUV422P:
- case PIX_FMT_YUVJ422P: /* Hacky but better then chroma conversion */
- return VLC_FOURCC('I','4','2','2');
- case PIX_FMT_YUV444P:
- case PIX_FMT_YUVJ444P: /* Hacky but better then chroma conversion */
- return VLC_FOURCC('I','4','4','4');
-
- case PIX_FMT_YUV422:
- return VLC_FOURCC('Y','U','Y','2');
-
-#if defined(WORDS_BIGENDIAN)
- case PIX_FMT_BGR8:
- return VLC_FOURCC('R','G','B','8');
- case PIX_FMT_BGR555:
- return VLC_FOURCC('R','V','1','5');
- case PIX_FMT_BGR565:
- return VLC_FOURCC('R','V','1','6');
- case PIX_FMT_BGR24:
- return VLC_FOURCC('R','V','2','4');
-#else
-#if defined(PIX_FMT_RGB8)
- case PIX_FMT_RGB8:
- return VLC_FOURCC('R','G','B','8');
-#endif
- 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');
-#endif
- case PIX_FMT_RGBA32:
- return VLC_FOURCC('R','V','3','2');
-#ifdef PIX_FMT_RGBA
- case PIX_FMT_RGBA:
- return VLC_FOURCC('R','G','B','A');
-#endif
- case PIX_FMT_GRAY8:
- return VLC_FOURCC('G','R','E','Y');
-
- case PIX_FMT_YUV410P:
- case PIX_FMT_YUV411P:
- default:
- return 0;
- }
-}
/* Returns a new picture buffer */
static inline picture_t *ffmpeg_NewPictBuf( decoder_t *p_dec,
AVCodecContext *p_context )
{
- picture_t *p_pic;
+ decoder_sys_t *p_sys = p_dec->p_sys;
- p_dec->fmt_out.video.i_width = p_context->width;
- p_dec->fmt_out.video.i_height = p_context->height;
- p_dec->fmt_out.i_codec = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
+ if( p_context->coded_width != p_context->width ||
+ p_context->coded_height != p_context->height )
+ {
+ p_dec->fmt_out.video.i_visible_width = p_context->width;
+ p_dec->fmt_out.video.i_visible_height = p_context->height;
+ }
+ p_dec->fmt_out.video.i_width = p_context->coded_width;
+ p_dec->fmt_out.video.i_height = p_context->coded_height;
if( !p_context->width || !p_context->height )
{
return NULL; /* invalid display size */
}
- if( !p_dec->fmt_out.i_codec )
+ if( !p_sys->p_va && GetVlcChroma( &p_dec->fmt_out.video, p_context->pix_fmt ) )
{
- /* we make conversion if possible*/
- p_dec->fmt_out.i_codec = VLC_FOURCC('I','4','2','0');
+ /* we are doomed, but not really, because most codecs set their pix_fmt
+ * much later
+ * FIXME does it make sense here ? */
+ p_dec->fmt_out.video.i_chroma = VLC_CODEC_I420;
}
+ p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
/* If an aspect-ratio was specified in the input format then force it */
- if( p_dec->fmt_in.video.i_aspect )
+ if( p_dec->fmt_in.video.i_sar_num > 0 && p_dec->fmt_in.video.i_sar_den > 0 )
{
- p_dec->fmt_out.video.i_aspect = p_dec->fmt_in.video.i_aspect;
+ p_dec->fmt_out.video.i_sar_num = p_dec->fmt_in.video.i_sar_num;
+ p_dec->fmt_out.video.i_sar_den = p_dec->fmt_in.video.i_sar_den;
}
else
{
- p_dec->fmt_out.video.i_aspect =
- VOUT_ASPECT_FACTOR * ( av_q2d(p_context->sample_aspect_ratio) *
- p_context->width / p_context->height );
p_dec->fmt_out.video.i_sar_num = p_context->sample_aspect_ratio.num;
p_dec->fmt_out.video.i_sar_den = p_context->sample_aspect_ratio.den;
- if( p_dec->fmt_out.video.i_aspect == 0 )
+ if( !p_dec->fmt_out.video.i_sar_num || !p_dec->fmt_out.video.i_sar_den )
{
- p_dec->fmt_out.video.i_aspect =
- VOUT_ASPECT_FACTOR * p_context->width / p_context->height;
+ p_dec->fmt_out.video.i_sar_num = 1;
+ p_dec->fmt_out.video.i_sar_den = 1;
}
}
- if( p_dec->fmt_out.video.i_frame_rate > 0 &&
- p_dec->fmt_out.video.i_frame_rate_base > 0 )
+ if( p_dec->fmt_in.video.i_frame_rate > 0 &&
+ p_dec->fmt_in.video.i_frame_rate_base > 0 )
{
p_dec->fmt_out.video.i_frame_rate =
p_dec->fmt_in.video.i_frame_rate;
else if( p_context->time_base.num > 0 && p_context->time_base.den > 0 )
{
p_dec->fmt_out.video.i_frame_rate = p_context->time_base.den;
- p_dec->fmt_out.video.i_frame_rate_base = p_context->time_base.num;
+ p_dec->fmt_out.video.i_frame_rate_base = p_context->time_base.num * __MAX( p_context->ticks_per_frame, 1 );
}
- p_pic = p_dec->pf_vout_buffer_new( p_dec );
-
- return p_pic;
+ return decoder_NewPicture( p_dec );
}
/*****************************************************************************
AVCodec *p_codec, int i_codec_id, const char *psz_namecodec )
{
decoder_sys_t *p_sys;
- vlc_value_t val;
+ int i_val;
/* Allocate the memory needed to store the decoder's structure */
- if( ( p_dec->p_sys = p_sys =
- (decoder_sys_t *)malloc(sizeof(decoder_sys_t)) ) == NULL )
- {
+ if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(decoder_sys_t) ) ) == NULL )
return VLC_ENOMEM;
- }
- memset( p_sys, 0, sizeof(decoder_sys_t) );
- p_dec->p_sys->p_context = p_context;
- p_dec->p_sys->p_codec = p_codec;
- p_dec->p_sys->i_codec_id = i_codec_id;
- p_dec->p_sys->psz_namecodec = psz_namecodec;
+ p_codec->type = AVMEDIA_TYPE_VIDEO;
+ p_context->codec_type = AVMEDIA_TYPE_VIDEO;
+ p_context->codec_id = i_codec_id;
+ p_sys->p_context = p_context;
+ p_sys->p_codec = p_codec;
+ p_sys->i_codec_id = i_codec_id;
+ p_sys->psz_namecodec = psz_namecodec;
p_sys->p_ff_pic = avcodec_alloc_frame();
+ p_sys->b_delayed_open = true;
+ p_sys->p_va = NULL;
+ vlc_sem_init( &p_sys->sem_mt, 0 );
/* ***** Fill p_context with init values ***** */
- p_sys->p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_codec );
- p_sys->p_context->width = p_dec->fmt_in.video.i_width;
- p_sys->p_context->height = p_dec->fmt_in.video.i_height;
- p_sys->p_context->bits_per_sample = p_dec->fmt_in.video.i_bits_per_pixel;
+ p_sys->p_context->codec_tag = ffmpeg_CodecTag( p_dec->fmt_in.i_original_fourcc ?: p_dec->fmt_in.i_codec );
/* ***** Get configuration of ffmpeg plugin ***** */
p_sys->p_context->workaround_bugs =
- config_GetInt( p_dec, "ffmpeg-workaround-bugs" );
- p_sys->p_context->error_resilience =
- config_GetInt( p_dec, "ffmpeg-error-resilience" );
-
- var_Create( p_dec, "grayscale", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "grayscale", &val );
- if( val.b_bool ) p_sys->p_context->flags |= CODEC_FLAG_GRAY;
-
- var_Create( p_dec, "ffmpeg-vismv", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-vismv", &val );
- if( val.i_int ) p_sys->p_context->debug_mv = val.i_int;
-
- var_Create( p_dec, "ffmpeg-lowres", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-lowres", &val );
- if( val.i_int > 0 && val.i_int <= 2 ) p_sys->p_context->lowres = val.i_int;
-
- var_Create( p_dec, "ffmpeg-skiploopfilter",
- VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-skiploopfilter", &val );
- if( val.i_int > 0 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONREF;
- if( val.i_int > 1 ) p_sys->p_context->skip_loop_filter = AVDISCARD_BIDIR;
- if( val.i_int > 2 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONKEY;
- if( val.i_int > 3 ) p_sys->p_context->skip_loop_filter = AVDISCARD_ALL;
-
- /* ***** ffmpeg frame skipping ***** */
- var_Create( p_dec, "ffmpeg-hurry-up", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-hurry-up", &val );
- p_sys->b_hurry_up = val.b_bool;
-
- var_Create( p_dec, "ffmpeg-skip-frame", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-skip-frame", &val );
- switch( val.i_int )
+ var_InheritInteger( p_dec, "avcodec-workaround-bugs" );
+ p_sys->p_context->err_recognition =
+ var_InheritInteger( p_dec, "avcodec-error-resilience" );
+
+ if( var_CreateGetBool( p_dec, "grayscale" ) )
+ p_sys->p_context->flags |= CODEC_FLAG_GRAY;
+
+ i_val = var_CreateGetInteger( p_dec, "avcodec-vismv" );
+ if( i_val ) p_sys->p_context->debug_mv = i_val;
+
+ i_val = var_CreateGetInteger( p_dec, "avcodec-skiploopfilter" );
+ if( i_val >= 4 ) p_sys->p_context->skip_loop_filter = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_sys->p_context->skip_loop_filter = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_sys->p_context->skip_loop_filter = AVDISCARD_NONREF;
+
+ if( var_CreateGetBool( p_dec, "avcodec-fast" ) )
+ p_sys->p_context->flags2 |= CODEC_FLAG2_FAST;
+
+#if LIBAVCODEC_VERSION_CHECK( 54, 41, 0, 91, 100 )
+ if( var_InheritBool( p_dec, "avcodec-ignorecrop" ) )
+ p_sys->p_context->flags2 |= CODEC_FLAG2_IGNORE_CROP;
+#endif
+
+ /* ***** libavcodec frame skipping ***** */
+ p_sys->b_hurry_up = var_CreateGetBool( p_dec, "avcodec-hurry-up" );
+
+ switch( var_CreateGetInteger( p_dec, "avcodec-skip-frame" ) )
{
case -1:
p_sys->p_context->skip_frame = AVDISCARD_NONE;
p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
break;
case 1:
- p_sys->p_context->skip_frame = AVDISCARD_BIDIR;
+ p_sys->p_context->skip_frame = AVDISCARD_NONREF;
break;
case 2:
p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
}
p_sys->i_skip_frame = p_sys->p_context->skip_frame;
- var_Create( p_dec, "ffmpeg-skip-idct", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-skip-idct", &val );
- switch( val.i_int )
+ switch( var_CreateGetInteger( p_dec, "avcodec-skip-idct" ) )
{
case -1:
p_sys->p_context->skip_idct = AVDISCARD_NONE;
p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
break;
case 1:
- p_sys->p_context->skip_idct = AVDISCARD_BIDIR;
+ p_sys->p_context->skip_idct = AVDISCARD_NONREF;
break;
case 2:
p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
}
p_sys->i_skip_idct = p_sys->p_context->skip_idct;
- /* ***** ffmpeg direct rendering ***** */
- p_sys->b_direct_rendering = 0;
- var_Create( p_dec, "ffmpeg-dr", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
- var_Get( p_dec, "ffmpeg-dr", &val );
- if( val.b_bool && (p_sys->p_codec->capabilities & CODEC_CAP_DR1) &&
- /* Apparently direct rendering doesn't work with YUV422P */
- p_sys->p_context->pix_fmt != PIX_FMT_YUV422P &&
- /* H264 uses too many reference frames */
- p_sys->i_codec_id != CODEC_ID_H264 &&
+ /* ***** libavcodec direct rendering ***** */
+ p_sys->b_direct_rendering = false;
+ p_sys->i_direct_rendering_used = -1;
+ if( var_CreateGetBool( p_dec, "avcodec-dr" ) &&
+ (p_sys->p_codec->capabilities & CODEC_CAP_DR1) &&
+ /* No idea why ... but this fixes flickering on some TSCC streams */
+ p_sys->i_codec_id != AV_CODEC_ID_TSCC && p_sys->i_codec_id != AV_CODEC_ID_CSCD &&
+ p_sys->i_codec_id != AV_CODEC_ID_CINEPAK &&
!p_sys->p_context->debug_mv )
{
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
* so we need to do another check in ffmpeg_GetFrameBuf() */
- p_sys->b_direct_rendering = 1;
+ p_sys->b_direct_rendering = true;
}
- /* ffmpeg doesn't properly release old pictures when frames are skipped */
- //if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = 0;
+ /* libavcodec doesn't properly release old pictures when frames are skipped */
+ //if( p_sys->b_hurry_up ) p_sys->b_direct_rendering = false;
if( p_sys->b_direct_rendering )
{
- msg_Dbg( p_dec, "using direct rendering" );
+ msg_Dbg( p_dec, "trying to use direct rendering" );
p_sys->p_context->flags |= CODEC_FLAG_EMU_EDGE;
}
+ else
+ {
+ msg_Dbg( p_dec, "direct rendering is disabled" );
+ }
/* Always use our get_buffer wrapper so we can calculate the
* PTS correctly */
p_sys->p_context->get_buffer = ffmpeg_GetFrameBuf;
+ p_sys->p_context->reget_buffer = avcodec_default_reget_buffer;
p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
p_sys->p_context->opaque = p_dec;
- /* ***** init this codec with special data ***** */
- ffmpeg_InitCodec( p_dec );
+#ifdef HAVE_AVCODEC_MT
+ int i_thread_count = var_InheritInteger( p_dec, "avcodec-threads" );
+ if( i_thread_count <= 0 )
+ {
+ i_thread_count = vlc_GetCPUCount();
+ if( i_thread_count > 1 )
+ i_thread_count++;
+
+ //FIXME: take in count the decoding time
+ i_thread_count = __MIN( i_thread_count, 4 );
+ }
+ i_thread_count = __MIN( i_thread_count, 16 );
+ msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
+ p_sys->p_context->thread_count = i_thread_count;
+
+ if( i_codec_id == AV_CODEC_ID_MPEG4 )
+ p_sys->p_context->thread_count = 1;
+
+ p_sys->p_context->thread_safe_callbacks = true;
+#endif
+
+ char *hw = var_CreateGetString( p_dec, "avcodec-hw" ); /* FIXME */
+ if( (hw == NULL || strcasecmp( hw, "none" )) &&
+ (i_codec_id == AV_CODEC_ID_MPEG1VIDEO || i_codec_id == AV_CODEC_ID_MPEG2VIDEO ||
+ i_codec_id == AV_CODEC_ID_MPEG4 || i_codec_id == AV_CODEC_ID_H263 ||
+ i_codec_id == AV_CODEC_ID_H264 ||
+ i_codec_id == AV_CODEC_ID_VC1 || i_codec_id == AV_CODEC_ID_WMV3) )
+ {
+#if defined(HAVE_AVCODEC_MT) //&& LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 1, 0)
+ if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
+ {
+ msg_Warn( p_dec, "threaded frame decoding is not compatible with avcodec-hw, disabled" );
+ p_sys->p_context->thread_type &= ~FF_THREAD_FRAME;
+ }
+ if( ( p_sys->p_context->thread_type & FF_THREAD_SLICE ) &&
+ ( i_codec_id == AV_CODEC_ID_MPEG1VIDEO || i_codec_id == AV_CODEC_ID_MPEG2VIDEO ) )
+ {
+ msg_Warn( p_dec, "threaded slice decoding is not compatible with avcodec-hw, disabled" );
+ p_sys->p_context->thread_type &= ~FF_THREAD_SLICE;
+ }
+#endif
+ p_sys->p_context->get_format = ffmpeg_GetFormat;
+ }
+ free( hw );
+#ifdef HAVE_AVCODEC_MT
+ if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
+ p_dec->i_extra_picture_buffers = 2 * p_sys->p_context->thread_count;
+#endif
+
/* ***** misc init ***** */
- p_sys->input_pts = p_sys->input_dts = 0;
- p_sys->i_pts = 0;
+ p_sys->i_pts = VLC_TS_INVALID;
p_sys->b_has_b_frames = false;
p_sys->b_first_frame = true;
+ p_sys->b_flush = false;
p_sys->i_late_frames = 0;
- p_sys->i_buffer = 0;
- p_sys->i_buffer_orig = 1;
- p_sys->p_buffer_orig = p_sys->p_buffer = malloc( p_sys->i_buffer_orig );
/* Set output properties */
p_dec->fmt_out.i_cat = VIDEO_ES;
- p_dec->fmt_out.i_codec = ffmpeg_PixFmtToChroma( p_context->pix_fmt );
+ if( GetVlcChroma( &p_dec->fmt_out.video, p_context->pix_fmt ) != VLC_SUCCESS )
+ {
+ /* we are doomed. but not really, because most codecs set their pix_fmt later on */
+ p_dec->fmt_out.i_codec = VLC_CODEC_I420;
+ }
+ p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
+#if LIBAVCODEC_VERSION_MAJOR < 54
/* Setup palette */
+ memset( &p_sys->palette, 0, sizeof(p_sys->palette) );
if( p_dec->fmt_in.video.p_palette )
- p_sys->p_context->palctrl =
- (AVPaletteControl *)p_dec->fmt_in.video.p_palette;
- else
- p_sys->p_context->palctrl = &palette_control;
+ {
+ p_sys->palette.palette_changed = 1;
- /* ***** Open the codec ***** */
- vlc_mutex_t *lock = var_AcquireMutex( "avcodec" );
- if( lock == NULL )
+ for( int i = 0; i < __MIN( AVPALETTE_COUNT, p_dec->fmt_in.video.p_palette->i_entries ); i++ )
+ {
+ union {
+ uint32_t u;
+ uint8_t a[4];
+ } c;
+ c.a[0] = p_dec->fmt_in.video.p_palette->palette[i][0];
+ c.a[1] = p_dec->fmt_in.video.p_palette->palette[i][1];
+ c.a[2] = p_dec->fmt_in.video.p_palette->palette[i][2];
+ c.a[3] = p_dec->fmt_in.video.p_palette->palette[i][3];
+
+ p_sys->palette.palette[i] = c.u;
+ }
+ p_sys->p_context->palctrl = &p_sys->palette;
+
+ p_dec->fmt_out.video.p_palette = malloc( sizeof(video_palette_t) );
+ if( p_dec->fmt_out.video.p_palette )
+ *p_dec->fmt_out.video.p_palette = *p_dec->fmt_in.video.p_palette;
+ }
+ else if( p_sys->i_codec_id != CODEC_ID_MSVIDEO1 && p_sys->i_codec_id != CODEC_ID_CINEPAK )
{
- free( p_sys );
- return VLC_ENOMEM;
+ p_sys->p_context->palctrl = &p_sys->palette;
}
+#else
+# warning FIXME
+#endif
- if( avcodec_open( p_sys->p_context, p_sys->p_codec ) < 0 )
+ /* ***** init this codec with special data ***** */
+ ffmpeg_InitCodec( p_dec );
+
+ /* ***** Open the codec ***** */
+ if( ffmpeg_OpenCodec( p_dec ) < 0 )
{
- vlc_mutex_unlock( lock );
msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+ av_free( p_sys->p_ff_pic );
+ vlc_sem_destroy( &p_sys->sem_mt );
free( p_sys );
return VLC_EGENERIC;
}
- vlc_mutex_unlock( lock );
- msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
-
return VLC_SUCCESS;
}
picture_t *DecodeVideo( decoder_t *p_dec, block_t **pp_block )
{
decoder_sys_t *p_sys = p_dec->p_sys;
+ AVCodecContext *p_context = p_sys->p_context;
int b_drawpicture;
int b_null_size = false;
block_t *p_block;
- if( !pp_block || !*pp_block ) return NULL;
+ if( !pp_block || !*pp_block )
+ return NULL;
- if( !p_sys->p_context->extradata_size && p_dec->fmt_in.i_extra )
+ if( !p_context->extradata_size && p_dec->fmt_in.i_extra )
+ {
ffmpeg_InitCodec( p_dec );
+ if( p_sys->b_delayed_open )
+ {
+ if( ffmpeg_OpenCodec( p_dec ) )
+ msg_Err( p_dec, "cannot open codec (%s)", p_sys->psz_namecodec );
+ }
+ }
p_block = *pp_block;
+ if( p_sys->b_delayed_open )
+ {
+ block_Release( p_block );
+ return NULL;
+ }
if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
{
- p_sys->i_buffer = 0;
- p_sys->i_pts = 0; /* To make sure we recover properly */
+ p_sys->i_pts = VLC_TS_INVALID; /* To make sure we recover properly */
- p_sys->input_pts = p_sys->input_dts = 0;
p_sys->i_late_frames = 0;
- block_Release( p_block );
+ post_mt( p_sys );
+ if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
+ avcodec_flush_buffers( p_context );
+ wait_mt( p_sys );
- //if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
- //avcodec_flush_buffers( p_sys->p_context );
+ block_Release( p_block );
return NULL;
}
if( !p_dec->b_pace_control && (p_sys->i_late_frames > 0) &&
(mdate() - p_sys->i_late_frames_start > INT64_C(5000000)) )
{
- if( p_sys->i_pts )
+ if( p_sys->i_pts > VLC_TS_INVALID )
{
msg_Err( p_dec, "more than 5 seconds of late video -> "
"dropping frame (computer too slow ?)" );
- p_sys->i_pts = 0; /* To make sure we recover properly */
+ p_sys->i_pts = VLC_TS_INVALID; /* To make sure we recover properly */
}
block_Release( p_block );
p_sys->i_late_frames--;
return NULL;
}
- if( p_block->i_pts > 0 || p_block->i_dts > 0 )
- {
- p_sys->input_pts = p_block->i_pts;
- p_sys->input_dts = p_block->i_dts;
-
- /* Make sure we don't reuse the same timestamps twice */
- p_block->i_pts = p_block->i_dts = 0;
- }
-
/* A good idea could be to decode all I pictures and see for the other */
if( !p_dec->b_pace_control &&
p_sys->b_hurry_up &&
(p_sys->i_late_frames > 4) )
{
b_drawpicture = 0;
- if( p_sys->i_late_frames < 8 )
+ if( p_sys->i_late_frames < 12 )
{
- p_sys->p_context->skip_frame =
- (p_sys->i_skip_frame <= AVDISCARD_BIDIR) ?
- AVDISCARD_BIDIR : p_sys->i_skip_frame;
+ p_context->skip_frame =
+ (p_sys->i_skip_frame <= AVDISCARD_NONREF) ?
+ AVDISCARD_NONREF : p_sys->i_skip_frame;
}
else
{
* but break picture until a new I, and for mpeg4 ...*/
p_sys->i_late_frames--; /* needed else it will never be decrease */
block_Release( p_block );
- p_sys->i_buffer = 0;
return NULL;
}
}
else
{
if( p_sys->b_hurry_up )
- p_sys->p_context->skip_frame = p_sys->i_skip_frame;
+ p_context->skip_frame = p_sys->i_skip_frame;
if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
b_drawpicture = 1;
else
b_drawpicture = 0;
}
- if( p_sys->p_context->width <= 0 || p_sys->p_context->height <= 0 )
+ if( p_context->width <= 0 || p_context->height <= 0 )
{
if( p_sys->b_hurry_up )
- p_sys->p_context->skip_frame = p_sys->i_skip_frame;
+ p_context->skip_frame = p_sys->i_skip_frame;
b_null_size = true;
}
+ else if( !b_drawpicture )
+ {
+ /* It creates broken picture
+ * FIXME either our parser or ffmpeg is broken */
+#if 0
+ if( p_sys->b_hurry_up )
+ p_context->skip_frame = __MAX( p_context->skip_frame,
+ AVDISCARD_NONREF );
+#endif
+ }
/*
- * Do the actual decoding now
- */
+ * Do the actual decoding now */
- /* Don't forget that ffmpeg requires a little more bytes
+ /* Don't forget that libavcodec requires a little more bytes
* that the real frame size */
if( p_block->i_buffer > 0 )
{
- p_sys->i_buffer = p_block->i_buffer;
- if( p_sys->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE >
- p_sys->i_buffer_orig )
- {
- free( p_sys->p_buffer_orig );
- p_sys->i_buffer_orig =
- p_block->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE;
- p_sys->p_buffer_orig = malloc( p_sys->i_buffer_orig );
- }
- p_sys->p_buffer = p_sys->p_buffer_orig;
- p_sys->i_buffer = p_block->i_buffer;
- vlc_memcpy( p_sys->p_buffer, p_block->p_buffer, p_block->i_buffer );
- memset( p_sys->p_buffer + p_block->i_buffer, 0,
- FF_INPUT_BUFFER_PADDING_SIZE );
+ p_sys->b_flush = ( p_block->i_flags & BLOCK_FLAG_END_OF_SEQUENCE ) != 0;
- p_block->i_buffer = 0;
+ p_block = block_Realloc( p_block, 0,
+ p_block->i_buffer + FF_INPUT_BUFFER_PADDING_SIZE );
+ if( !p_block )
+ return NULL;
+ p_block->i_buffer -= FF_INPUT_BUFFER_PADDING_SIZE;
+ *pp_block = p_block;
+ memset( p_block->p_buffer + p_block->i_buffer, 0,
+ FF_INPUT_BUFFER_PADDING_SIZE );
}
- while( p_sys->i_buffer > 0 )
+ while( p_block->i_buffer > 0 || p_sys->b_flush )
{
int i_used, b_gotpicture;
picture_t *p_pic;
+ AVPacket pkt;
+
+ post_mt( p_sys );
+
+ av_init_packet( &pkt );
+ pkt.data = p_block->p_buffer;
+ pkt.size = p_block->i_buffer;
+ pkt.pts = p_block->i_pts;
+ pkt.dts = p_block->i_dts;
+
+ /* Make sure we don't reuse the same timestamps twice */
+ p_block->i_pts =
+ p_block->i_dts = VLC_TS_INVALID;
- i_used = avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
- &b_gotpicture,
- (uint8_t*)p_sys->p_buffer, p_sys->i_buffer );
- if( b_null_size && p_sys->p_context->width > 0 &&
- p_sys->p_context->height > 0 )
+ i_used = avcodec_decode_video2( p_context, p_sys->p_ff_pic,
+ &b_gotpicture, &pkt );
+
+ if( b_null_size && !p_sys->b_flush &&
+ p_context->width > 0 && p_context->height > 0 )
{
/* Reparse it to not drop the I frame */
b_null_size = false;
if( p_sys->b_hurry_up )
- p_sys->p_context->skip_frame = p_sys->i_skip_frame;
- i_used = avcodec_decode_video( p_sys->p_context, p_sys->p_ff_pic,
- &b_gotpicture,
- (uint8_t*)p_sys->p_buffer, p_sys->i_buffer );
+ p_context->skip_frame = p_sys->i_skip_frame;
+ i_used = avcodec_decode_video2( p_context, p_sys->p_ff_pic,
+ &b_gotpicture, &pkt );
}
+ wait_mt( p_sys );
+
+ if( p_sys->b_flush )
+ p_sys->b_first_frame = true;
+
+ if( p_block->i_buffer <= 0 )
+ p_sys->b_flush = false;
if( i_used < 0 )
{
- msg_Warn( p_dec, "cannot decode one frame (%d bytes)",
- p_sys->i_buffer );
+ if( b_drawpicture )
+ msg_Warn( p_dec, "cannot decode one frame (%zu bytes)",
+ p_block->i_buffer );
block_Release( p_block );
return NULL;
}
- else if( i_used > p_sys->i_buffer )
+ else if( i_used > p_block->i_buffer ||
+ p_context->thread_count > 1 )
{
- i_used = p_sys->i_buffer;
+ i_used = p_block->i_buffer;
}
/* Consumed bytes */
- p_sys->i_buffer -= i_used;
- p_sys->p_buffer += i_used;
+ p_block->i_buffer -= i_used;
+ p_block->p_buffer += i_used;
/* Nothing to display */
if( !b_gotpicture )
continue;
}
+ /* Sanity check (seems to be needed for some streams) */
+ if( p_sys->p_ff_pic->pict_type == AV_PICTURE_TYPE_B)
+ {
+ p_sys->b_has_b_frames = true;
+ }
+
+ /* Compute the PTS */
+ mtime_t i_pts =
+ p_sys->p_ff_pic->pkt_pts;
+ if (i_pts <= VLC_TS_INVALID)
+ i_pts = p_sys->p_ff_pic->pkt_dts;
+
+ if( i_pts <= VLC_TS_INVALID )
+ i_pts = p_sys->i_pts;
+
+ /* Interpolate the next PTS */
+ if( i_pts > VLC_TS_INVALID )
+ p_sys->i_pts = i_pts;
+ if( p_sys->i_pts > VLC_TS_INVALID )
+ {
+ /* interpolate the next PTS */
+ if( p_dec->fmt_in.video.i_frame_rate > 0 &&
+ p_dec->fmt_in.video.i_frame_rate_base > 0 )
+ {
+ p_sys->i_pts += INT64_C(1000000) *
+ (2 + p_sys->p_ff_pic->repeat_pict) *
+ p_dec->fmt_in.video.i_frame_rate_base /
+ (2 * p_dec->fmt_in.video.i_frame_rate);
+ }
+ else if( p_context->time_base.den > 0 )
+ {
+ int i_tick = p_context->ticks_per_frame;
+ if( i_tick <= 0 )
+ i_tick = 1;
+
+ p_sys->i_pts += INT64_C(1000000) *
+ (2 + p_sys->p_ff_pic->repeat_pict) *
+ i_tick * p_context->time_base.num /
+ (2 * p_context->time_base.den);
+ }
+ }
+
/* Update frame late count (except when doing preroll) */
- if( p_sys->i_pts && decoder_GetDisplayDate(p_dec, p_sys->i_pts) <= mdate() &&
- !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
+ mtime_t i_display_date = 0;
+ if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
+ i_display_date = decoder_GetDisplayDate( p_dec, i_pts );
+
+ if( i_display_date > 0 && i_display_date <= mdate() )
{
p_sys->i_late_frames++;
if( p_sys->i_late_frames == 1 )
p_sys->i_late_frames = 0;
}
- if( !b_drawpicture || !p_sys->p_ff_pic->linesize[0] )
- {
- /* Do not display the picture */
- p_pic = (picture_t *)p_sys->p_ff_pic->opaque;
- if( !b_drawpicture && p_pic )
- p_dec->pf_vout_buffer_del( p_dec, p_pic );
+ if( !b_drawpicture || ( !p_sys->p_va && !p_sys->p_ff_pic->linesize[0] ) )
continue;
- }
- if( !p_sys->p_ff_pic->opaque )
+ if( p_sys->p_va != NULL || p_sys->p_ff_pic->opaque == NULL )
{
/* Get a new picture */
- p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
+ p_pic = ffmpeg_NewPictBuf( p_dec, p_context );
if( !p_pic )
{
block_Release( p_block );
else
{
p_pic = (picture_t *)p_sys->p_ff_pic->opaque;
+ decoder_LinkPicture( p_dec, p_pic );
}
- /* Set the PTS */
- if( p_sys->p_ff_pic->pts ) p_sys->i_pts = p_sys->p_ff_pic->pts;
-
- /* Sanity check (seems to be needed for some streams) */
- if( p_sys->p_ff_pic->pict_type == FF_B_TYPE )
- {
- p_sys->b_has_b_frames = true;
- }
-
- if( !p_dec->fmt_in.video.i_aspect )
+ if( !p_dec->fmt_in.video.i_sar_num || !p_dec->fmt_in.video.i_sar_den )
{
/* Fetch again the aspect ratio in case it changed */
- p_dec->fmt_out.video.i_aspect =
- VOUT_ASPECT_FACTOR
- * ( av_q2d(p_sys->p_context->sample_aspect_ratio)
- * p_sys->p_context->width / p_sys->p_context->height );
p_dec->fmt_out.video.i_sar_num
- = p_sys->p_context->sample_aspect_ratio.num;
+ = p_context->sample_aspect_ratio.num;
p_dec->fmt_out.video.i_sar_den
- = p_sys->p_context->sample_aspect_ratio.den;
+ = p_context->sample_aspect_ratio.den;
- if( p_dec->fmt_out.video.i_aspect == 0 )
+ if( !p_dec->fmt_out.video.i_sar_num || !p_dec->fmt_out.video.i_sar_den )
{
- p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR
- * p_sys->p_context->width / p_sys->p_context->height;
+ p_dec->fmt_out.video.i_sar_num = 1;
+ p_dec->fmt_out.video.i_sar_den = 1;
}
}
/* Send decoded frame to vout */
- if( p_sys->i_pts )
+ if( i_pts > VLC_TS_INVALID)
{
- p_pic->date = p_sys->i_pts;
-
- /* interpolate the next PTS */
- if( p_dec->fmt_in.video.i_frame_rate > 0 &&
- p_dec->fmt_in.video.i_frame_rate_base > 0 )
- {
- p_sys->i_pts += INT64_C(1000000) *
- (2 + p_sys->p_ff_pic->repeat_pict) *
- p_dec->fmt_in.video.i_frame_rate_base *
- p_block->i_rate / INPUT_RATE_DEFAULT /
- (2 * p_dec->fmt_in.video.i_frame_rate);
- }
- else if( p_sys->p_context->time_base.den > 0 )
- {
- p_sys->i_pts += INT64_C(1000000) *
- (2 + p_sys->p_ff_pic->repeat_pict) *
- p_sys->p_context->time_base.num *
- p_block->i_rate / INPUT_RATE_DEFAULT /
- (2 * p_sys->p_context->time_base.den);
- }
+ p_pic->date = i_pts;
if( p_sys->b_first_frame )
{
}
else
{
- p_dec->pf_vout_buffer_del( p_dec, p_pic );
+ decoder_DeletePicture( p_dec, p_pic );
}
}
{
decoder_sys_t *p_sys = p_dec->p_sys;
- if( p_sys->p_ff_pic ) av_free( p_sys->p_ff_pic );
- free( p_sys->p_buffer_orig );
+ post_mt( p_sys );
+
+ /* do not flush buffers if codec hasn't been opened (theora/vorbis/VC1) */
+ if( p_sys->p_context->codec )
+ avcodec_flush_buffers( p_sys->p_context );
+
+ wait_mt( p_sys );
+
+ if( p_sys->p_ff_pic )
+ av_free( p_sys->p_ff_pic );
+
+ if( p_sys->p_va )
+ vlc_va_Delete( p_sys->p_va );
+
+ vlc_sem_destroy( &p_sys->sem_mt );
}
/*****************************************************************************
if( !i_size ) return;
- if( p_sys->i_codec_id == CODEC_ID_SVQ3 )
+ if( p_sys->i_codec_id == AV_CODEC_ID_SVQ3 )
{
uint8_t *p;
p_sys->p_context->extradata_size = i_size + 12;
p = p_sys->p_context->extradata =
malloc( p_sys->p_context->extradata_size );
+ if( !p )
+ return;
memcpy( &p[0], "SVQ3", 4 );
memset( &p[4], 0, 8 );
}
}
}
- else if( p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '1', '0' ) ||
- p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '1', '3' ) ||
- p_dec->fmt_in.i_codec == VLC_FOURCC( 'R', 'V', '2', '0' ) )
- {
- if( p_dec->fmt_in.i_extra == 8 )
- {
- p_sys->p_context->extradata_size = 8;
- p_sys->p_context->extradata = malloc( 8 );
-
- memcpy( p_sys->p_context->extradata,
- p_dec->fmt_in.p_extra, p_dec->fmt_in.i_extra );
- p_sys->p_context->sub_id= ((uint32_t*)p_dec->fmt_in.p_extra)[1];
-
- msg_Warn( p_dec, "using extra data for RV codec sub_id=%08x",
- p_sys->p_context->sub_id );
- }
- }
else
{
p_sys->p_context->extradata_size = i_size;
p_sys->p_context->extradata =
malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
- memcpy( p_sys->p_context->extradata,
- p_dec->fmt_in.p_extra, i_size );
- memset( &((uint8_t*)p_sys->p_context->extradata)[i_size],
- 0, FF_INPUT_BUFFER_PADDING_SIZE );
+ if( p_sys->p_context->extradata )
+ {
+ memcpy( p_sys->p_context->extradata,
+ p_dec->fmt_in.p_extra, i_size );
+ memset( &((uint8_t*)p_sys->p_context->extradata)[i_size],
+ 0, FF_INPUT_BUFFER_PADDING_SIZE );
+ }
}
}
{
decoder_sys_t *p_sys = p_dec->p_sys;
- if( ffmpeg_PixFmtToChroma( p_sys->p_context->pix_fmt ) )
+ if( p_sys->p_va )
+ {
+ vlc_va_Extract( p_sys->p_va, p_pic, p_ff_pic );
+ }
+ else if( FindVlcChroma( p_sys->p_context->pix_fmt ) )
{
int i_plane, i_size, i_line;
uint8_t *p_dst, *p_src;
for( i_line = 0; i_line < p_pic->p[i_plane].i_visible_lines;
i_line++ )
{
- vlc_memcpy( p_dst, p_src, i_size );
+ memcpy( p_dst, p_src, i_size );
p_src += i_src_stride;
p_dst += i_dst_stride;
}
}
else
{
- AVPicture dest_pic;
- int i;
+ const char *name = av_get_pix_fmt_name( p_sys->p_context->pix_fmt );
+ msg_Err( p_dec, "Unsupported decoded output format %d (%s)",
+ p_sys->p_context->pix_fmt, name ? name : "unknown" );
+ p_dec->b_error = 1;
+ }
+}
+
+static int ffmpeg_va_GetFrameBuf( struct AVCodecContext *p_context, AVFrame *p_ff_pic )
+{
+ decoder_t *p_dec = (decoder_t *)p_context->opaque;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ vlc_va_t *p_va = p_sys->p_va;
+
+ /* hwaccel_context is not present in old ffmpeg version */
+ if( vlc_va_Setup( p_va,
+ &p_context->hwaccel_context, &p_dec->fmt_out.video.i_chroma,
+ p_context->coded_width, p_context->coded_height ) )
+ {
+ msg_Err( p_dec, "vlc_va_Setup failed" );
+ return -1;
+ }
+
+ if( vlc_va_Get( p_va, p_ff_pic ) )
+ {
+ msg_Err( p_dec, "vlc_va_Get failed" );
+ return -1;
+ }
+
+ p_ff_pic->type = FF_BUFFER_TYPE_USER;
+ return 0;
+}
+
+static picture_t *ffmpeg_dr_GetFrameBuf(struct AVCodecContext *p_context)
+{
+ decoder_t *p_dec = (decoder_t *)p_context->opaque;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+
+ int i_width = p_context->width;
+ int i_height = p_context->height;
+ avcodec_align_dimensions( p_context, &i_width, &i_height );
+
+ picture_t *p_pic = NULL;
+ if (GetVlcChroma(&p_dec->fmt_out.video, p_context->pix_fmt) != VLC_SUCCESS)
+ goto no_dr;
+
+ if (p_context->pix_fmt == PIX_FMT_PAL8)
+ goto no_dr;
+
+ p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
+
+ p_pic = ffmpeg_NewPictBuf( p_dec, p_context );
+ if( !p_pic )
+ goto no_dr;
+
+ if( p_pic->p[0].i_pitch / p_pic->p[0].i_pixel_pitch < i_width ||
+ p_pic->p[0].i_lines < i_height )
+ goto no_dr;
- /* we need to convert to I420 */
- switch( p_sys->p_context->pix_fmt )
+ for( int i = 0; i < p_pic->i_planes; i++ )
+ {
+ unsigned i_align;
+ switch( p_sys->i_codec_id )
{
- case PIX_FMT_YUV410P:
- case PIX_FMT_YUV411P:
- case PIX_FMT_RGB32:
- case PIX_FMT_RGB24:
-#if defined(PIX_FMT_RGB8)
- case PIX_FMT_RGB8:
-#endif
-#if defined(PIX_FMT_BRG32)
- case PIX_FMT_BGR32:
-#endif
- case PIX_FMT_BGR24:
-#if defined(PIX_FMT_BGR8)
- case PIX_FMT_BGR8:
-#endif
- case PIX_FMT_PAL8:
- for( i = 0; i < p_pic->i_planes; i++ )
- {
- dest_pic.data[i] = p_pic->p[i].p_pixels;
- dest_pic.linesize[i] = p_pic->p[i].i_pitch;
- }
-#if !defined(HAVE_LIBSWSCALE_SWSCALE_H) && !defined(HAVE_FFMPEG_SWSCALE_H)
- img_convert( &dest_pic, PIX_FMT_YUV420P,
- (AVPicture *)p_ff_pic,
- p_sys->p_context->pix_fmt,
- p_sys->p_context->width,
- p_sys->p_context->height );
-#endif
+ case AV_CODEC_ID_SVQ1:
+ case AV_CODEC_ID_VP5:
+ case AV_CODEC_ID_VP6:
+ case AV_CODEC_ID_VP6F:
+ case AV_CODEC_ID_VP6A:
+ i_align = 16;
break;
default:
- msg_Err( p_dec, "don't know how to convert chroma %i",
- p_sys->p_context->pix_fmt );
- p_dec->b_error = 1;
+ i_align = i == 0 ? 16 : 8;
break;
}
+ if( p_pic->p[i].i_pitch % i_align )
+ goto no_dr;
+ if( (intptr_t)p_pic->p[i].p_pixels % i_align )
+ goto no_dr;
+ }
+
+ if( p_context->pix_fmt == PIX_FMT_YUV422P )
+ {
+ if( 2 * p_pic->p[1].i_pitch != p_pic->p[0].i_pitch ||
+ 2 * p_pic->p[2].i_pitch != p_pic->p[0].i_pitch )
+ goto no_dr;
}
+
+ return p_pic;
+
+no_dr:
+ if (p_pic)
+ decoder_DeletePicture( p_dec, p_pic );
+
+ return NULL;
}
/*****************************************************************************
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
decoder_sys_t *p_sys = p_dec->p_sys;
- picture_t *p_pic;
- /* Set picture PTS */
- if( p_sys->input_pts )
- {
- p_ff_pic->pts = p_sys->input_pts;
- }
- else if( p_sys->input_dts )
- {
- /* Some demuxers only set the dts so let's try to find a useful
- * timestamp from this */
- if( !p_context->has_b_frames || !p_sys->b_has_b_frames ||
- !p_ff_pic->reference || !p_sys->i_pts )
- {
- p_ff_pic->pts = p_sys->input_dts;
- }
- else p_ff_pic->pts = 0;
- }
- else p_ff_pic->pts = 0;
-
- if( p_sys->i_pts ) /* make sure 1st frame has a pts > 0 */
- {
- p_sys->input_pts = p_sys->input_dts = 0;
- }
+ /* */
+ p_ff_pic->opaque = NULL;
+#if ! LIBAVCODEC_VERSION_CHECK(54, 34, 0, 79, 101)
+ p_ff_pic->pkt_pts = p_context->pkt ? p_context->pkt->pts : AV_NOPTS_VALUE;
+#endif
+#if LIBAVCODEC_VERSION_MAJOR < 54
+ p_ff_pic->age = 256*256*256*64;
+#endif
- p_ff_pic->opaque = 0;
+ if( p_sys->p_va )
+ return ffmpeg_va_GetFrameBuf(p_context, p_ff_pic);
- /* Not much to do in indirect rendering mode */
if( !p_sys->b_direct_rendering )
- {
return avcodec_default_get_buffer( p_context, p_ff_pic );
- }
+ wait_mt( p_sys );
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
- * so this check is necessary. */
- if( !ffmpeg_PixFmtToChroma( p_context->pix_fmt ) ||
- p_sys->p_context->width % 16 || p_sys->p_context->height % 16 )
- {
- msg_Dbg( p_dec, "disabling direct rendering" );
- p_sys->b_direct_rendering = 0;
+ * so we need to check for direct rendering again. */
+
+ picture_t *p_pic = ffmpeg_dr_GetFrameBuf(p_context);
+ if (!p_pic) {
+ if( p_sys->i_direct_rendering_used != 0 )
+ {
+ msg_Warn( p_dec, "disabling direct rendering" );
+ p_sys->i_direct_rendering_used = 0;
+ }
+
+ post_mt( p_sys );
return avcodec_default_get_buffer( p_context, p_ff_pic );
}
- /* Get a new picture */
- //p_sys->p_vout->render.b_allow_modify_pics = 0;
- p_pic = ffmpeg_NewPictBuf( p_dec, p_sys->p_context );
- if( !p_pic )
- {
- p_sys->b_direct_rendering = 0;
- return avcodec_default_get_buffer( p_context, p_ff_pic );
+ if( p_sys->i_direct_rendering_used != 1 ) {
+ msg_Dbg( p_dec, "using direct rendering" );
+ p_sys->i_direct_rendering_used = 1;
}
- p_sys->p_context->draw_horiz_band = NULL;
+
+ p_context->draw_horiz_band = NULL;
+ post_mt( p_sys );
p_ff_pic->opaque = (void*)p_pic;
p_ff_pic->type = FF_BUFFER_TYPE_USER;
p_ff_pic->linesize[2] = p_pic->p[2].i_pitch;
p_ff_pic->linesize[3] = 0;
- if( p_ff_pic->reference != 0 )
- {
- p_dec->pf_picture_link( p_dec, p_pic );
- }
-
- /* FIXME what is that, should give good value */
- p_ff_pic->age = 256*256*256*64; // FIXME FIXME from ffmpeg
-
return 0;
}
AVFrame *p_ff_pic )
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
- picture_t *p_pic;
+ decoder_sys_t *p_sys = p_dec->p_sys;
- if( !p_ff_pic->opaque )
- {
+ if( p_sys->p_va )
+ vlc_va_Release( p_sys->p_va, p_ff_pic );
+ else if( p_ff_pic->opaque )
+ decoder_UnlinkPicture( p_dec, (picture_t*)p_ff_pic->opaque);
+ else if( p_ff_pic->type == FF_BUFFER_TYPE_INTERNAL )
+ /* We can end up here without the AVFrame being allocated by
+ * avcodec_default_get_buffer() if VA is used and the frame is
+ * released when the decoder is closed
+ */
avcodec_default_release_buffer( p_context, p_ff_pic );
- return;
+
+ for( int i = 0; i < 4; i++ )
+ p_ff_pic->data[i] = NULL;
+}
+
+static int ffmpeg_va_Start( void *func, va_list ap )
+{
+ vlc_va_t *va = va_arg( ap, vlc_va_t * );
+ int codec = va_arg( ap, int );
+ const es_format_t *fmt = va_arg( ap, const es_format_t * );
+ int (*open)( vlc_va_t *, int, const es_format_t * ) = func;
+
+ return open( va, codec, fmt );
+}
+
+static vlc_va_t *vlc_va_New( vlc_object_t *parent, int codec_id,
+ const es_format_t *fmt )
+{
+ vlc_va_t *p_va = vlc_object_create( parent, sizeof( *p_va ) );
+ if( unlikely(p_va == NULL) )
+ return NULL;
+
+ p_va->module = vlc_module_load( p_va, "hw decoder", "$avcodec-hw",
+ true, ffmpeg_va_Start, p_va,
+ codec_id, fmt );
+ if( p_va->module == NULL )
+ {
+ vlc_object_release( p_va );
+ p_va = NULL;
}
+ return p_va;
+}
+
+static void ffmpeg_va_Stop( void *func, va_list ap )
+{
+ vlc_va_t *va = va_arg( ap, vlc_va_t * );
+ void (*close)( vlc_va_t * ) = func;
+
+ close( va );
+}
- p_pic = (picture_t*)p_ff_pic->opaque;
+static void vlc_va_Delete( vlc_va_t *va )
+{
+ vlc_module_unload( va->module, ffmpeg_va_Stop, va );
+ vlc_object_release( va );
+}
- p_ff_pic->data[0] = NULL;
- p_ff_pic->data[1] = NULL;
- p_ff_pic->data[2] = NULL;
- p_ff_pic->data[3] = NULL;
+static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
+ const enum PixelFormat *pi_fmt )
+{
+ decoder_t *p_dec = p_context->opaque;
+ decoder_sys_t *p_sys = p_dec->p_sys;
+ vlc_va_t *p_va = p_sys->p_va;
- if( p_ff_pic->reference != 0 )
+ if( p_va != NULL )
+ vlc_va_Delete( p_va );
+
+ /* Profile and level informations are needed now.
+ * TODO: avoid code duplication with avcodec.c */
+ if( p_context->profile != FF_PROFILE_UNKNOWN)
+ p_dec->fmt_in.i_profile = p_context->profile;
+ if( p_context->level != FF_LEVEL_UNKNOWN)
+ p_dec->fmt_in.i_level = p_context->level;
+
+ p_va = vlc_va_New( VLC_OBJECT(p_dec), p_sys->i_codec_id, &p_dec->fmt_in );
+ if( p_va == NULL )
+ goto end;
+
+ /* Try too look for a supported hw acceleration */
+ for( size_t i = 0; pi_fmt[i] != PIX_FMT_NONE; i++ )
{
- p_dec->pf_picture_unlink( p_dec, p_pic );
+ const char *name = av_get_pix_fmt_name(pi_fmt[i]);
+ msg_Dbg( p_dec, "Available decoder output format %d (%s)",
+ pi_fmt[i], name ? name : "unknown" );
+ if( p_va->pix_fmt != pi_fmt[i] )
+ continue;
+
+ /* We try to call vlc_va_Setup when possible to detect errors when
+ * possible (later is too late) */
+ if( p_context->width > 0 && p_context->height > 0
+ && vlc_va_Setup( p_va, &p_context->hwaccel_context,
+ &p_dec->fmt_out.video.i_chroma,
+ p_context->width, p_context->height ) )
+ {
+ msg_Err( p_dec, "acceleration setup failure" );
+ break;
+ }
+
+ if( p_va->description )
+ msg_Info( p_dec, "Using %s for hardware decoding.",
+ p_va->description );
+
+ /* FIXME this will disable direct rendering
+ * even if a new pixel format is renegotiated
+ */
+ p_sys->b_direct_rendering = false;
+ p_sys->p_va = p_va;
+ p_context->draw_horiz_band = NULL;
+ return pi_fmt[i];
}
+
+ msg_Err( p_dec, "acceleration not available" );
+ vlc_va_Delete( p_va );
+
+ p_sys->p_va = NULL;
+
+end:
+ /* Fallback to default behaviour */
+ return avcodec_default_get_format( p_context, pi_fmt );
}