#include <vlc_common.h>
#include <vlc_codec.h>
#include <vlc_avcodec.h>
+#include <vlc_cpu.h>
#include <assert.h>
/* ffmpeg header */
*****************************************************************************/
struct decoder_sys_t
{
- FFMPEG_COMMON_MEMBERS
+ AVCODEC_COMMON_MEMBERS
/* Video decoder specific part */
mtime_t i_pts;
/* VA API */
vlc_va_t *p_va;
+
+ vlc_sem_t sem_mt;
};
+#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
+
/* FIXME (dummy palette for now) */
static const AVPaletteControl palette_control;
* Local prototypes
*****************************************************************************/
static void ffmpeg_InitCodec ( decoder_t * );
-static int ffmpeg_OpenCodec ( decoder_t * );
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
static int ffmpeg_ReGetFrameBuf( struct AVCodecContext *, AVFrame * );
if( ( p_dec->p_sys = p_sys = calloc( 1, sizeof(decoder_sys_t) ) ) == NULL )
return VLC_ENOMEM;
- p_codec->type = CODEC_TYPE_VIDEO;
- p_context->codec_type = CODEC_TYPE_VIDEO;
+ 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->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_original_fourcc ?: p_dec->fmt_in.i_codec );
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->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;
if( var_CreateGetBool( p_dec, "ffmpeg-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 != CODEC_ID_TSCC &&
+ p_sys->i_codec_id != CODEC_ID_TSCC && p_sys->i_codec_id != CODEC_ID_CSCD &&
+#if (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 52, 68, 2 ) ) && (LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 52, 100, 1 ) )
+ /* avcodec native vp8 decode doesn't handle EMU_EDGE flag, and I
+ don't have idea howto implement fallback to libvpx decoder */
+ p_sys->i_codec_id != CODEC_ID_VP8 &&
+#endif
!p_sys->p_context->debug_mv )
{
/* Some codecs set pix_fmt only after the 1st frame has been decoded,
p_sys->p_context->release_buffer = ffmpeg_ReleaseFrameBuf;
p_sys->p_context->opaque = p_dec;
+#ifdef HAVE_AVCODEC_MT
+ int i_thread_count = var_InheritInteger( p_dec, "ffmpeg-threads" );
+ if( i_thread_count <= 0 )
+ i_thread_count = vlc_GetCPUCount();
+ msg_Dbg( p_dec, "allowing %d thread(s) for decoding", i_thread_count );
+ p_sys->p_context->thread_count = i_thread_count;
+#endif
+
#ifdef HAVE_AVCODEC_VA
- if( var_CreateGetBool( p_dec, "ffmpeg-hw" ) )
+ const bool b_use_hw = var_CreateGetBool( p_dec, "ffmpeg-hw" );
+ if( b_use_hw &&
+ (i_codec_id == CODEC_ID_MPEG1VIDEO || i_codec_id == CODEC_ID_MPEG2VIDEO ||
+ i_codec_id == CODEC_ID_MPEG4 ||
+ i_codec_id == CODEC_ID_H264 ||
+ i_codec_id == CODEC_ID_VC1 || i_codec_id == CODEC_ID_WMV3) )
+ {
+#ifdef HAVE_AVCODEC_MT
+ if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
+ {
+ msg_Warn( p_dec, "threaded frame decoding is not compatible with ffmpeg-hw, disabled" );
+ p_sys->p_context->thread_type &= ~FF_THREAD_FRAME;
+ }
+#endif
p_sys->p_context->get_format = ffmpeg_GetFormat;
+ }
#endif
/* ***** misc init ***** */
{
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;
}
p_sys->i_late_frames = 0;
- block_Release( p_block );
+ if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
+ avcodec_flush_buffers( p_context );
- //if( p_block->i_flags & BLOCK_FLAG_CORRUPTED )
- //avcodec_flush_buffers( p_context );
+ block_Release( p_block );
return NULL;
}
if( p_sys->i_late_frames < 12 )
{
p_context->skip_frame =
- (p_sys->i_skip_frame <= AVDISCARD_BIDIR) ?
- AVDISCARD_BIDIR : p_sys->i_skip_frame;
+ (p_sys->i_skip_frame <= AVDISCARD_NONREF) ?
+ AVDISCARD_NONREF : p_sys->i_skip_frame;
}
else
{
{
int i_used, b_gotpicture;
picture_t *p_pic;
+ AVPacket pkt;
/* Set the PTS/DTS in the context reordered_opaque field */
if( p_block->i_pts > VLC_TS_INVALID )
p_context->reordered_opaque = (p_block->i_dts << 1) | 1;
else
p_context->reordered_opaque = INT64_MIN;
+ p_sys->p_ff_pic->reordered_opaque = p_context->reordered_opaque;
/* Make sure we don't reuse the same timestamps twice */
p_block->i_pts =
p_block->i_dts = VLC_TS_INVALID;
+ post_mt( p_sys );
- i_used = avcodec_decode_video( p_context, p_sys->p_ff_pic,
- &b_gotpicture,
- p_block->i_buffer <= 0 && p_sys->b_flush ? NULL : p_block->p_buffer, p_block->i_buffer );
+ av_init_packet( &pkt );
+ pkt.data = p_block->p_buffer;
+ pkt.size = p_block->i_buffer;
+ 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 )
b_null_size = false;
if( p_sys->b_hurry_up )
p_context->skip_frame = p_sys->i_skip_frame;
- i_used = avcodec_decode_video( p_context, p_sys->p_ff_pic,
- &b_gotpicture, p_block->p_buffer,
- p_block->i_buffer );
+ 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;
block_Release( p_block );
return NULL;
}
- else if( i_used > p_block->i_buffer )
+ else if( i_used > p_block->i_buffer ||
+ p_context->thread_count > 1 )
{
i_used = p_block->i_buffer;
}
continue;
}
+ /* 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;
+ }
+
/* Compute the PTS */
mtime_t i_pts = VLC_TS_INVALID;
if( p_sys->p_ff_pic->reordered_opaque != INT64_MIN )
!p_sys->p_ff_pic->reference ||
p_sys->i_pts <= VLC_TS_INVALID )
i_pts = i_ts;
+
+ /* Guess what ? The rules are different for Real Video :( */
+ if( (p_dec->fmt_in.i_codec == VLC_CODEC_RV30 ||
+ p_dec->fmt_in.i_codec == VLC_CODEC_RV40) &&
+ p_sys->b_has_b_frames )
+ {
+ i_pts = VLC_TS_INVALID;
+ if(p_sys->p_ff_pic->reference) i_pts = i_ts;
+ }
}
else
{
}
else if( p_context->time_base.den > 0 )
{
-#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(52,20,0)
int i_tick = p_context->ticks_per_frame;
if( i_tick <= 0 )
i_tick = 1;
-#else
- int i_tick = 1;
-#endif
p_sys->i_pts += INT64_C(1000000) *
(2 + p_sys->p_ff_pic->repeat_pict) *
decoder_LinkPicture( p_dec, p_pic );
}
- /* 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_sar_num || !p_dec->fmt_in.video.i_sar_den )
{
/* Fetch again the aspect ratio in case it changed */
{
decoder_sys_t *p_sys = p_dec->p_sys;
+ 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 );
+ p_sys->p_va = NULL;
+ }
+ vlc_sem_destroy( &p_sys->sem_mt );
}
/*****************************************************************************
}
}
-/*****************************************************************************
- * ffmpeg_OpenCodec:
- *****************************************************************************/
-static int ffmpeg_OpenCodec( decoder_t *p_dec )
-{
- decoder_sys_t *p_sys = p_dec->p_sys;
-
- if( p_sys->p_context->extradata_size <= 0 )
- {
- if( p_sys->i_codec_id == CODEC_ID_VC1 ||
- p_sys->i_codec_id == CODEC_ID_VORBIS ||
- p_sys->i_codec_id == CODEC_ID_THEORA )
- {
- msg_Warn( p_dec, "waiting for extra data for codec %s",
- p_sys->psz_namecodec );
- return 1;
- }
- }
- 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_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel;
-
- int ret;
- vlc_avcodec_lock();
- ret = avcodec_open( p_sys->p_context, p_sys->p_codec );
- vlc_avcodec_unlock();
- if( ret < 0 )
- return VLC_EGENERIC;
- msg_Dbg( p_dec, "ffmpeg codec (%s) started", p_sys->psz_namecodec );
-
- p_sys->b_delayed_open = false;
-
- return VLC_SUCCESS;
-}
/*****************************************************************************
* ffmpeg_CopyPicture: copy a picture from ffmpeg internal buffers to a
* picture_t structure (when not in direct rendering mode).
if( p_sys->p_va )
{
#ifdef HAVE_AVCODEC_VA
- /* hwaccel_context is not present in old fffmpeg version */
+ /* hwaccel_context is not present in old ffmpeg version */
if( vlc_va_Setup( p_sys->p_va,
- &p_sys->p_context->hwaccel_context, &p_dec->fmt_out.video.i_chroma,
- p_sys->p_context->width, p_sys->p_context->height ) )
+ &p_context->hwaccel_context, &p_dec->fmt_out.video.i_chroma,
+ p_context->width, p_context->height ) )
{
msg_Err( p_dec, "vlc_va_Setup failed" );
return -1;
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 we need to check for direct rendering again. */
- int i_width = p_sys->p_context->width;
- int i_height = p_sys->p_context->height;
- avcodec_align_dimensions( p_sys->p_context, &i_width, &i_height );
+ int i_width = p_context->width;
+ int i_height = p_context->height;
+ avcodec_align_dimensions( p_context, &i_width, &i_height );
if( GetVlcChroma( &p_dec->fmt_out.video, p_context->pix_fmt ) != VLC_SUCCESS ||
p_context->pix_fmt == PIX_FMT_PAL8 )
p_dec->fmt_out.i_codec = p_dec->fmt_out.video.i_chroma;
/* 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 )
goto no_dr;
bool b_compatible = true;
p_sys->i_direct_rendering_used = 1;
}
- p_sys->p_context->draw_horiz_band = NULL;
+ p_context->draw_horiz_band = NULL;
p_ff_pic->opaque = (void*)p_pic;
p_ff_pic->type = FF_BUFFER_TYPE_USER;
/* FIXME what is that, should give good value */
p_ff_pic->age = 256*256*256*64; // FIXME FIXME from ffmpeg
+ post_mt( p_sys );
return 0;
no_dr:
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 );
}
static int ffmpeg_ReGetFrameBuf( struct AVCodecContext *p_context, AVFrame *p_ff_pic )
if( p_sys->p_va )
{
vlc_va_Release( p_sys->p_va, p_ff_pic );
-
- /* */
- for( int i = 0; i < 4; i++ )
- p_ff_pic->data[i] = NULL;
}
else if( !p_ff_pic->opaque )
{
- avcodec_default_release_buffer( p_context, p_ff_pic );
+ /* 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
+ */
+ if( p_ff_pic->type == FF_BUFFER_TYPE_INTERNAL )
+ avcodec_default_release_buffer( p_context, p_ff_pic );
}
else
{
picture_t *p_pic = (picture_t*)p_ff_pic->opaque;
decoder_UnlinkPicture( p_dec, p_pic );
-
- /* */
- for( int i = 0; i < 4; i++ )
- p_ff_pic->data[i] = NULL;
}
+ for( int i = 0; i < 4; i++ )
+ p_ff_pic->data[i] = NULL;
}
#ifdef HAVE_AVCODEC_VA
-static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_codec,
+static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
const enum PixelFormat *pi_fmt )
{
- decoder_t *p_dec = p_codec->opaque;
+ decoder_t *p_dec = p_context->opaque;
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_va )
/* Only VLD supported */
if( pi_fmt[i] == PIX_FMT_VAAPI_VLD )
{
+ if( !var_InheritBool( p_dec, "xlib" ) )
+ {
+ msg_Warn( p_dec, "Ignoring VA API" );
+ continue;
+ }
#ifdef HAVE_AVCODEC_VAAPI
msg_Dbg( p_dec, "Trying VA API" );
- p_sys->p_va = vlc_va_NewVaapi( p_sys->i_codec_id );
+ p_sys->p_va = vlc_va_NewVaapi( VLC_OBJECT(p_dec), p_sys->i_codec_id );
if( !p_sys->p_va )
msg_Warn( p_dec, "Failed to open VA API" );
#else
#endif
if( p_sys->p_va &&
- p_sys->p_context->width > 0 && p_sys->p_context->height > 0 )
+ p_context->width > 0 && p_context->height > 0 )
{
/* We try to call vlc_va_Setup when possible to detect errors when
* possible (later is too late) */
if( vlc_va_Setup( p_sys->p_va,
- &p_sys->p_context->hwaccel_context,
+ &p_context->hwaccel_context,
&p_dec->fmt_out.video.i_chroma,
- p_sys->p_context->width, p_sys->p_context->height ) )
+ p_context->width, p_context->height ) )
{
msg_Err( p_dec, "vlc_va_Setup failed" );
vlc_va_Delete( p_sys->p_va );
* even if a new pixel format is renegociated
*/
p_sys->b_direct_rendering = false;
- p_sys->p_context->draw_horiz_band = NULL;
+ p_context->draw_horiz_band = NULL;
return pi_fmt[i];
}
}
/* Fallback to default behaviour */
- return avcodec_default_get_format( p_codec, pi_fmt );
+ return avcodec_default_get_format( p_context, pi_fmt );
}
#endif
projects / vlc / blobdiff