/* */
-#if LIBAVCODEC_VERSION_MAJOR < 54
- AVPaletteControl palette;
-#else
-# warning FIXME
-#endif
+ bool palette_sent;
/* */
bool b_flush;
*****************************************************************************/
static void ffmpeg_InitCodec ( decoder_t * );
static void ffmpeg_CopyPicture ( decoder_t *, picture_t *, AVFrame * );
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+static int lavc_GetFrame(struct AVCodecContext *, AVFrame *, int);
+#else
static int ffmpeg_GetFrameBuf ( struct AVCodecContext *, AVFrame * );
static void ffmpeg_ReleaseFrameBuf( struct AVCodecContext *, AVFrame * );
+#endif
static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *,
const enum PixelFormat * );
AVCodecContext *p_context )
{
decoder_sys_t *p_sys = p_dec->p_sys;
+ int width = p_context->coded_width;
+ int height = p_context->coded_height;
- if( p_context->coded_width != p_context->width ||
- p_context->coded_height != p_context->height )
+ if( p_sys->p_va == NULL )
{
- p_dec->fmt_out.video.i_visible_width = p_context->width;
- p_dec->fmt_out.video.i_visible_height = p_context->height;
+ int aligns[AV_NUM_DATA_POINTERS];
+
+ avcodec_align_dimensions2(p_context, &width, &height, aligns);
}
- 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 )
+
+ if( width == 0 || height == 0 || width > 8192 || height > 8192 )
{
+ msg_Err( p_dec, "Invalid frame size %dx%d.", width, height );
return NULL; /* invalid display size */
}
+ p_dec->fmt_out.video.i_width = width;
+ p_dec->fmt_out.video.i_height = height;
+
+ if( width != p_context->width || 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;
+ }
+ else
+ {
+ p_dec->fmt_out.video.i_visible_width = width;
+ p_dec->fmt_out.video.i_visible_height = height;
+ }
if( !p_sys->p_va && GetVlcChroma( &p_dec->fmt_out.video, p_context->pix_fmt ) )
{
if( var_CreateGetBool( p_dec, "grayscale" ) )
p_sys->p_context->flags |= CODEC_FLAG_GRAY;
+ /* ***** Output always the frames ***** */
+#if LIBAVCODEC_VERSION_CHECK(55, 23, 1, 40, 101)
+ p_sys->p_context->flags |= CODEC_FLAG_OUTPUT_CORRUPT;
+#endif
+
i_val = var_CreateGetInteger( p_dec, "avcodec-vismv" );
if( i_val ) p_sys->p_context->debug_mv = i_val;
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;
- break;
- case 0:
- p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
- break;
- case 1:
- p_sys->p_context->skip_frame = AVDISCARD_NONREF;
- break;
- case 2:
- p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
- break;
- case 3:
- p_sys->p_context->skip_frame = AVDISCARD_ALL;
- break;
- default:
- p_sys->p_context->skip_frame = AVDISCARD_NONE;
- break;
- }
+ i_val = var_CreateGetInteger( p_dec, "avcodec-skip-frame" );
+ if( i_val >= 4 ) p_sys->p_context->skip_frame = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_sys->p_context->skip_frame = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_sys->p_context->skip_frame = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_sys->p_context->skip_frame = AVDISCARD_NONREF;
+ else if( i_val == -1 ) p_sys->p_context->skip_frame = AVDISCARD_NONE;
+ else p_sys->p_context->skip_frame = AVDISCARD_DEFAULT;
p_sys->i_skip_frame = p_sys->p_context->skip_frame;
- switch( var_CreateGetInteger( p_dec, "avcodec-skip-idct" ) )
- {
- case -1:
- p_sys->p_context->skip_idct = AVDISCARD_NONE;
- break;
- case 0:
- p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
- break;
- case 1:
- p_sys->p_context->skip_idct = AVDISCARD_NONREF;
- break;
- case 2:
- p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
- break;
- case 3:
- p_sys->p_context->skip_idct = AVDISCARD_ALL;
- break;
- default:
- p_sys->p_context->skip_idct = AVDISCARD_NONE;
- break;
- }
+ i_val = var_CreateGetInteger( p_dec, "avcodec-skip-idct" );
+ if( i_val >= 4 ) p_sys->p_context->skip_idct = AVDISCARD_ALL;
+ else if( i_val == 3 ) p_sys->p_context->skip_idct = AVDISCARD_NONKEY;
+ else if( i_val == 2 ) p_sys->p_context->skip_idct = AVDISCARD_BIDIR;
+ else if( i_val == 1 ) p_sys->p_context->skip_idct = AVDISCARD_NONREF;
+ else if( i_val == -1 ) p_sys->p_context->skip_idct = AVDISCARD_NONE;
+ else p_sys->p_context->skip_idct = AVDISCARD_DEFAULT;
p_sys->i_skip_idct = p_sys->p_context->skip_idct;
/* ***** libavcodec direct rendering ***** */
msg_Dbg( p_dec, "direct rendering is disabled" );
}
+ p_sys->p_context->get_format = ffmpeg_GetFormat;
/* Always use our get_buffer wrapper so we can calculate the
* PTS correctly */
- p_sys->p_context->get_format = ffmpeg_GetFormat;
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+ p_sys->p_context->get_buffer2 = lavc_GetFrame;
+#else
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;
+#endif
p_sys->p_context->opaque = p_dec;
#ifdef HAVE_AVCODEC_MT
# endif
}
+ /* Workaround: frame multithreading is not compatible with
+ * DXVA2. When a frame is being copied to host memory, the frame
+ * is locked and cannot be used as a reference frame
+ * simultaneously and thus decoding fails for some frames. This
+ * causes major image corruption. */
+# if defined(_WIN32)
+ char *avcodec_hw = var_InheritString( p_dec, "avcodec-hw" );
+ if( avcodec_hw == NULL || strcasecmp( avcodec_hw, "none" ) )
+ {
+ msg_Warn( p_dec, "threaded frame decoding is not compatible with DXVA2, disabled" );
+ p_sys->p_context->thread_type &= ~FF_THREAD_FRAME;
+ }
+ free( avcodec_hw );
+# endif
+
if( p_sys->p_context->thread_type & FF_THREAD_FRAME )
p_dec->i_extra_picture_buffers = 2 * p_sys->p_context->thread_count;
#endif
}
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->palette.palette_changed = 1;
-
- 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.orientation = p_dec->fmt_in.video.orientation;
+ if( p_dec->fmt_in.video.p_palette ) {
+ p_sys->palette_sent = false;
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 )
- {
- p_sys->p_context->palctrl = &p_sys->palette;
- }
-#else
-# warning FIXME
-#endif
+ } else
+ p_sys->palette_sent = true;
/* ***** init this codec with special data ***** */
ffmpeg_InitCodec( p_dec );
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 )
+ if( !pp_block )
return NULL;
if( !p_context->extradata_size && p_dec->fmt_in.i_extra )
}
p_block = *pp_block;
+ if(!p_block && !(p_sys->p_codec->capabilities & CODEC_CAP_DELAY) )
+ return NULL;
+
if( p_sys->b_delayed_open )
{
- block_Release( p_block );
+ if( p_block )
+ block_Release( p_block );
return NULL;
}
- if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
+ if( p_block)
{
- p_sys->i_pts = VLC_TS_INVALID; /* To make sure we recover properly */
+ if( p_block->i_flags & (BLOCK_FLAG_DISCONTINUITY|BLOCK_FLAG_CORRUPTED) )
+ {
+ p_sys->i_pts = VLC_TS_INVALID; /* To make sure we recover properly */
- p_sys->i_late_frames = 0;
+ p_sys->i_late_frames = 0;
- post_mt( p_sys );
- if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
- avcodec_flush_buffers( p_context );
- wait_mt( p_sys );
+ post_mt( p_sys );
+ if( p_block->i_flags & BLOCK_FLAG_DISCONTINUITY )
+ avcodec_flush_buffers( p_context );
+ wait_mt( p_sys );
- block_Release( p_block );
- return NULL;
- }
+ block_Release( p_block );
+ return NULL;
+ }
- if( p_block->i_flags & BLOCK_FLAG_PREROLL )
- {
- /* Do not care about late frames when prerolling
- * TODO avoid decoding of non reference frame
- * (ie all B except for H264 where it depends only on nal_ref_idc) */
- p_sys->i_late_frames = 0;
+ if( p_block->i_flags & BLOCK_FLAG_PREROLL )
+ {
+ /* Do not care about late frames when prerolling
+ * TODO avoid decoding of non reference frame
+ * (ie all B except for H264 where it depends only on nal_ref_idc) */
+ p_sys->i_late_frames = 0;
+ }
}
if( !p_dec->b_pace_control && (p_sys->i_late_frames > 0) &&
{
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 = VLC_TS_INVALID; /* To make sure we recover properly */
}
- block_Release( p_block );
+ if( p_block )
+ block_Release( p_block );
p_sys->i_late_frames--;
+ msg_Err( p_dec, "more than 5 seconds of late video -> "
+ "dropping frame (computer too slow ?)" );
return NULL;
}
/* picture too late, won't decode
* 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 );
+ if( p_block )
+ block_Release( p_block );
+ msg_Warn( p_dec, "More than 4 late frames, dropping frame" );
return NULL;
}
}
{
if( p_sys->b_hurry_up )
p_context->skip_frame = p_sys->i_skip_frame;
- if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
+ if( !p_block || !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
b_drawpicture = 1;
else
b_drawpicture = 0;
{
if( p_sys->b_hurry_up )
p_context->skip_frame = p_sys->i_skip_frame;
- b_null_size = true;
}
else if( !b_drawpicture )
{
/* Don't forget that libavcodec requires a little more bytes
* that the real frame size */
- if( p_block->i_buffer > 0 )
+ if( p_block && p_block->i_buffer > 0 )
{
p_sys->b_flush = ( p_block->i_flags & BLOCK_FLAG_END_OF_SEQUENCE ) != 0;
FF_INPUT_BUFFER_PADDING_SIZE );
}
- while( p_block->i_buffer > 0 || p_sys->b_flush )
+ while( !p_block || p_block->i_buffer > 0 || p_sys->b_flush )
{
int i_used, b_gotpicture;
picture_t *p_pic;
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;
+ if( p_block )
+ {
+ pkt.data = p_block->p_buffer;
+ pkt.size = p_block->i_buffer;
+ pkt.pts = p_block->i_pts;
+ pkt.dts = p_block->i_dts;
+ }
+ else
+ {
+ /* Return delayed frames if codec has CODEC_CAP_DELAY */
+ pkt.data = NULL;
+ pkt.size = 0;
+ }
+
+ if( !p_sys->palette_sent )
+ {
+ uint8_t *pal = av_packet_new_side_data(&pkt, AV_PKT_DATA_PALETTE, AVPALETTE_SIZE);
+ if (pal) {
+ memcpy(pal, p_dec->fmt_in.video.p_palette->palette, AVPALETTE_SIZE);
+ p_sys->palette_sent = true;
+ }
+ }
/* Make sure we don't reuse the same timestamps twice */
- p_block->i_pts =
- p_block->i_dts = VLC_TS_INVALID;
+ if( p_block )
+ {
+ p_block->i_pts =
+ p_block->i_dts = VLC_TS_INVALID;
+ }
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_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 )
- {
- 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_block->i_buffer ||
- p_context->thread_count > 1 )
+ if( p_block )
{
- i_used = p_block->i_buffer;
- }
+ if( p_block->i_buffer <= 0 )
+ p_sys->b_flush = false;
+
+ if( i_used < 0 )
+ {
+ 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( (unsigned)i_used > p_block->i_buffer ||
+ p_context->thread_count > 1 )
+ {
+ i_used = p_block->i_buffer;
+ }
- /* Consumed bytes */
- p_block->i_buffer -= i_used;
- p_block->p_buffer += i_used;
+ /* Consumed bytes */
+ p_block->i_buffer -= i_used;
+ p_block->p_buffer += i_used;
+ }
/* Nothing to display */
if( !b_gotpicture )
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) *
+ p_sys->i_pts += CLOCK_FREQ *
(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);
if( i_tick <= 0 )
i_tick = 1;
- p_sys->i_pts += INT64_C(1000000) *
+ p_sys->i_pts += CLOCK_FREQ *
(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) */
mtime_t i_display_date = 0;
- if( !(p_block->i_flags & BLOCK_FLAG_PREROLL) )
+ if( !p_block || !(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_pic = ffmpeg_NewPictBuf( p_dec, p_context );
if( !p_pic )
{
- block_Release( p_block );
+ if( p_block )
+ block_Release( p_block );
return NULL;
}
}
}
- block_Release( p_block );
+ if( p_block )
+ block_Release( p_block );
return NULL;
}
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 );
+ p = p_sys->p_context->extradata =
+ av_malloc( p_sys->p_context->extradata_size +
+ FF_INPUT_BUFFER_PADDING_SIZE );
if( !p )
return;
{
p_sys->p_context->extradata_size = i_size;
p_sys->p_context->extradata =
- malloc( i_size + FF_INPUT_BUFFER_PADDING_SIZE );
+ av_malloc( i_size + 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],
+ memset( p_sys->p_context->extradata + i_size,
0, FF_INPUT_BUFFER_PADDING_SIZE );
}
}
if( p_sys->p_va )
{
- vlc_va_Extract( p_sys->p_va, p_pic, p_ff_pic );
+ vlc_va_Extract( p_sys->p_va, p_pic, p_ff_pic->opaque,
+ p_ff_pic->data[3] );
}
else if( FindVlcChroma( p_sys->p_context->pix_fmt ) )
{
uint8_t *p_dst, *p_src;
int i_src_stride, i_dst_stride;
+ if( p_sys->p_context->pix_fmt == PIX_FMT_PAL8 )
+ {
+ if( !p_pic->format.p_palette )
+ p_pic->format.p_palette = calloc( 1, sizeof(video_palette_t) );
+
+ if( p_pic->format.p_palette )
+ {
+ p_pic->format.p_palette->i_entries = AVPALETTE_COUNT;
+ memcpy( p_pic->format.p_palette->palette, p_ff_pic->data[1], AVPALETTE_SIZE );
+ }
+ }
+
for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
{
p_src = p_ff_pic->data[i_plane];
}
}
+#if LIBAVCODEC_VERSION_MAJOR >= 55
+static int lavc_va_GetFrame(struct AVCodecContext *ctx, AVFrame *frame,
+ int flags)
+{
+ decoder_t *dec = ctx->opaque;
+ decoder_sys_t *sys = dec->p_sys;
+ vlc_va_t *va = sys->p_va;
+
+ if (vlc_va_Setup(va, &ctx->hwaccel_context, &dec->fmt_out.video.i_chroma,
+ ctx->coded_width, ctx->coded_height))
+ {
+ msg_Err(dec, "hardware acceleration setup failed");
+ return -1;
+ }
+ if (vlc_va_Get(va, &frame->opaque, &frame->data[0]))
+ {
+ msg_Err(dec, "hardware acceleration picture allocation failed");
+ return -1;
+ }
+ /* data[0] must be non-NULL for libavcodec internal checks.
+ * data[3] actually contains the format-specific surface handle. */
+ frame->data[3] = frame->data[0];
+
+ frame->buf[0] = av_buffer_create(frame->data[0], 0, va->release,
+ frame->opaque, 0);
+ if (unlikely(frame->buf[0] == NULL))
+ {
+ vlc_va_Release(va, frame->opaque, frame->data[0]);
+ return -1;
+ }
+ assert(frame->data[0] != NULL);
+ (void) flags;
+ return 0;
+}
+
+typedef struct
+{
+ decoder_t *decoder;
+ picture_t *picture;
+} lavc_pic_ref_t;
+
+static void lavc_dr_ReleaseFrame(void *opaque, uint8_t *data)
+{
+ lavc_pic_ref_t *ref = opaque;
+
+ decoder_UnlinkPicture(ref->decoder, ref->picture);
+ free(ref);
+ (void) data;
+}
+
+static picture_t *lavc_dr_GetFrame(struct AVCodecContext *ctx,
+ AVFrame *frame, int flags)
+{
+ decoder_t *dec = (decoder_t *)ctx->opaque;
+ decoder_sys_t *sys = dec->p_sys;
+
+ if (GetVlcChroma(&dec->fmt_out.video, ctx->pix_fmt) != VLC_SUCCESS)
+ return NULL;
+ dec->fmt_out.i_codec = dec->fmt_out.video.i_chroma;
+ if (ctx->pix_fmt == PIX_FMT_PAL8)
+ return NULL;
+
+ int width = frame->width;
+ int height = frame->height;
+ int aligns[AV_NUM_DATA_POINTERS];
+
+ avcodec_align_dimensions2(ctx, &width, &height, aligns);
+
+ picture_t *pic = ffmpeg_NewPictBuf(dec, ctx);
+ if (pic == NULL)
+ return NULL;
+
+ /* Check that the picture is suitable for libavcodec */
+ if (pic->p[0].i_pitch < width * pic->p[0].i_pixel_pitch)
+ {
+ if (sys->i_direct_rendering_used != 0)
+ msg_Dbg(dec, "plane 0: pitch too small (%d/%d*%d)",
+ pic->p[0].i_pitch, width, pic->p[0].i_pixel_pitch);
+ goto no_dr;
+ }
+
+ if (pic->p[0].i_lines < height)
+ {
+ if (sys->i_direct_rendering_used != 0)
+ msg_Dbg(dec, "plane 0: lines too few (%d/%d)",
+ pic->p[0].i_lines, height);
+ goto no_dr;
+ }
+
+ for (int i = 0; i < pic->i_planes; i++)
+ {
+ if (pic->p[i].i_pitch % aligns[i])
+ {
+ if (sys->i_direct_rendering_used != 0)
+ msg_Dbg(dec, "plane %d: pitch not aligned (%d%%%d)",
+ i, pic->p[i].i_pitch, aligns[i]);
+ goto no_dr;
+ }
+ if (((uintptr_t)pic->p[i].p_pixels) % aligns[i])
+ {
+ if (sys->i_direct_rendering_used != 0)
+ msg_Warn(dec, "plane %d not aligned", i);
+ goto no_dr;
+ }
+ }
+
+ /* Allocate buffer references */
+ for (int i = 0; i < pic->i_planes; i++)
+ {
+ lavc_pic_ref_t *ref = malloc(sizeof (*ref));
+ if (ref == NULL)
+ goto error;
+ ref->decoder = dec;
+ ref->picture = pic;
+ decoder_LinkPicture(dec, pic);
+
+ uint8_t *data = pic->p[i].p_pixels;
+ int size = pic->p[i].i_pitch * pic->p[i].i_lines;
+
+ frame->buf[i] = av_buffer_create(data, size, lavc_dr_ReleaseFrame,
+ ref, 0);
+ if (unlikely(frame->buf[i] == NULL))
+ {
+ lavc_dr_ReleaseFrame(ref, data);
+ goto error;
+ }
+ }
+ decoder_UnlinkPicture(dec, pic);
+ (void) flags;
+ return pic;
+error:
+ for (unsigned i = 0; frame->buf[i] != NULL; i++)
+ av_buffer_unref(&frame->buf[i]);
+no_dr:
+ decoder_DeletePicture(dec, pic);
+ return NULL;
+}
+
+/**
+ * Callback used by libavcodec to get a frame buffer.
+ *
+ * It is used for direct rendering as well as to get the right PTS for each
+ * decoded picture (even in indirect rendering mode).
+ */
+static int lavc_GetFrame(struct AVCodecContext *ctx, AVFrame *frame, int flags)
+{
+ decoder_t *dec = ctx->opaque;
+ decoder_sys_t *sys = dec->p_sys;
+ picture_t *pic;
+
+ for (unsigned i = 0; i < AV_NUM_DATA_POINTERS; i++)
+ {
+ frame->data[i] = NULL;
+ frame->linesize[i] = 0;
+ frame->buf[i] = NULL;
+ }
+
+ if (sys->p_va != NULL)
+ return lavc_va_GetFrame(ctx, frame, flags);
+
+ frame->opaque = NULL;
+ if (!sys->b_direct_rendering)
+ return avcodec_default_get_buffer2(ctx, frame, flags);
+
+ /* Some codecs set pix_fmt only after the 1st frame has been decoded,
+ * so we need to check for direct rendering again. */
+ wait_mt(sys);
+ pic = lavc_dr_GetFrame(ctx, frame, flags);
+ if (pic == NULL)
+ {
+ if (sys->i_direct_rendering_used != 0)
+ {
+ msg_Warn(dec, "disabling direct rendering");
+ sys->i_direct_rendering_used = 0;
+ }
+ post_mt(sys);
+ return avcodec_default_get_buffer2(ctx, frame, flags);
+ }
+
+ if (sys->i_direct_rendering_used != 1)
+ {
+ msg_Dbg(dec, "enabling direct rendering");
+ sys->i_direct_rendering_used = 1;
+ }
+ post_mt(sys);
+
+ frame->opaque = pic;
+ static_assert(PICTURE_PLANE_MAX <= AV_NUM_DATA_POINTERS, "Oops!");
+ for (unsigned i = 0; i < PICTURE_PLANE_MAX; i++)
+ {
+ frame->data[i] = pic->p[i].p_pixels;
+ frame->linesize[i] = pic->p[i].i_pitch;
+ }
+ return 0;
+}
+#else
static int ffmpeg_va_GetFrameBuf( struct AVCodecContext *p_context, AVFrame *p_ff_pic )
{
decoder_t *p_dec = (decoder_t *)p_context->opaque;
return -1;
}
- if( vlc_va_Get( p_va, p_ff_pic ) )
+ if( vlc_va_Get( p_va, &p_ff_pic->opaque, &p_ff_pic->data[0] ) )
{
msg_Err( p_dec, "vlc_va_Get failed" );
return -1;
}
+ p_ff_pic->data[3] = p_ff_pic->data[0];
p_ff_pic->type = FF_BUFFER_TYPE_USER;
return 0;
}
return NULL;
}
-/*****************************************************************************
- * ffmpeg_GetFrameBuf: callback used by ffmpeg to get a frame buffer.
- *****************************************************************************
- * It is used for direct rendering as well as to get the right PTS for each
- * decoded picture (even in indirect rendering mode).
- *****************************************************************************/
static int ffmpeg_GetFrameBuf( struct AVCodecContext *p_context,
AVFrame *p_ff_pic )
{
#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
if( p_sys->p_va )
return ffmpeg_va_GetFrameBuf(p_context, p_ff_pic);
decoder_sys_t *p_sys = p_dec->p_sys;
if( p_sys->p_va )
- vlc_va_Release( p_sys->p_va, p_ff_pic );
+ vlc_va_Release( p_sys->p_va, p_ff_pic->opaque, p_ff_pic->data[0] );
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 )
for( int i = 0; i < 4; i++ )
p_ff_pic->data[i] = NULL;
}
+#endif
static enum PixelFormat ffmpeg_GetFormat( AVCodecContext *p_context,
const enum PixelFormat *pi_fmt )
bool can_hwaccel = false;
for( size_t i = 0; pi_fmt[i] != PIX_FMT_NONE; i++ )
{
-#if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51, 44, 0)
const AVPixFmtDescriptor *dsc = av_pix_fmt_desc_get(pi_fmt[i]);
if (dsc == NULL)
continue;
-#else
- const AVPixFmtDescriptor *dsc = &av_pix_fmt_descriptors[pi_fmt[i]];
-#endif
bool hwaccel = (dsc->flags & AV_PIX_FMT_FLAG_HWACCEL) != 0;
msg_Dbg( p_dec, "available %sware decoder output format %d (%s)",
if (!can_hwaccel)
goto end;
- /* Profile and level informations are needed now.
+ /* Profile and level information is 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 );
+ p_va = vlc_va_New( VLC_OBJECT(p_dec), p_context, &p_dec->fmt_in );
if( p_va == NULL )
goto end;