Ejemplo n.º 1
0
static void CVPX_I420(filter_t *p_filter, picture_t *sourcePicture, picture_t *destinationPicture)
{
    VLC_UNUSED(p_filter);
    picture_sys_t *picsys = sourcePicture->p_sys;

    if (picsys == NULL)
        return;

    if (picsys->pixelBuffer == nil)
        return;

    unsigned width = CVPixelBufferGetWidthOfPlane(picsys->pixelBuffer, 0);
    unsigned height = CVPixelBufferGetHeightOfPlane(picsys->pixelBuffer, 0);

    if (width == 0 || height == 0)
        return;

    uint8_t *pp_plane[2];
    size_t pi_pitch[2];

    CVPixelBufferLockBaseAddress(picsys->pixelBuffer, kCVPixelBufferLock_ReadOnly);

    for (int i = 0; i < 2; i++) {
        pp_plane[i] = CVPixelBufferGetBaseAddressOfPlane(picsys->pixelBuffer, i);
        pi_pitch[i] = CVPixelBufferGetBytesPerRowOfPlane(picsys->pixelBuffer, i);
    }

    CopyFromNv12ToI420(destinationPicture, pp_plane, pi_pitch, height);

    CVPixelBufferUnlockBaseAddress(picsys->pixelBuffer, kCVPixelBufferLock_ReadOnly);
}
Ejemplo n.º 2
0
void VdaMixer::adjust(VideoFormatData *data, const mp_image *mpi) {
	Q_ASSERT(data->imgfmt == IMGFMT_VDA);
	auto buffer = (CVPixelBufferRef)mpi->planes[3];
	switch (CVPixelBufferGetPixelFormatType(buffer)) {
	case kCVPixelFormatType_422YpCbCr8:
		data->type = IMGFMT_UYVY;
		break;
	case kCVPixelFormatType_422YpCbCr8_yuvs:
		data->type = IMGFMT_YUYV;
		break;
	case kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange:
		data->type = IMGFMT_NV12;
		break;
	case kCVPixelFormatType_420YpCbCr8Planar:
		data->type = IMGFMT_420P;
		break;
	default:
		_Error("Not supported format.");
		data->type = IMGFMT_NONE;
	}
	auto desc = mp_imgfmt_get_desc(data->type);
	if (CVPixelBufferIsPlanar(buffer)) {
		data->planes = CVPixelBufferGetPlaneCount(buffer);
		Q_ASSERT(data->planes == desc.num_planes);
		for (int i=0; i<data->planes; ++i) {
			data->alignedByteSize[i].rwidth() = CVPixelBufferGetBytesPerRowOfPlane(buffer, i);
			data->alignedByteSize[i].rheight() = CVPixelBufferGetHeightOfPlane(buffer, i);
			data->bpp += desc.bpp[i] >> (desc.xs[i] + desc.ys[i]);
		}
	} else {
Ejemplo n.º 3
0
GstBuffer *
gst_core_video_buffer_new (CVBufferRef cvbuf, GstVideoInfo * vinfo)
{
  CVPixelBufferRef pixbuf = NULL;
  GstBuffer *buf;
  GstCoreVideoMeta *meta;
  guint n_planes;
  gsize offset[GST_VIDEO_MAX_PLANES];
  gint stride[GST_VIDEO_MAX_PLANES];

  if (CFGetTypeID (cvbuf) != CVPixelBufferGetTypeID ())
    /* TODO: Do we need to handle other buffer types? */
    goto error;

  pixbuf = (CVPixelBufferRef) cvbuf;

  if (CVPixelBufferLockBaseAddress (pixbuf,
          kCVPixelBufferLock_ReadOnly) != kCVReturnSuccess) {
    goto error;
  }

  buf = gst_buffer_new ();

  /* add the corevideo meta to free the underlying corevideo buffer */
  meta = (GstCoreVideoMeta *) gst_buffer_add_meta (buf,
      gst_core_video_meta_get_info (), NULL);
  meta->cvbuf = CVBufferRetain (cvbuf);
  meta->pixbuf = pixbuf;

  /* set stride, offset and size */
  memset (&offset, 0, sizeof (offset));
  memset (&stride, 0, sizeof (stride));

  if (CVPixelBufferIsPlanar (pixbuf)) {
    int i, size, off;

    n_planes = CVPixelBufferGetPlaneCount (pixbuf);
    off = 0;
    for (i = 0; i < n_planes; ++i) {
      stride[i] = CVPixelBufferGetBytesPerRowOfPlane (pixbuf, i);
      size = stride[i] * CVPixelBufferGetHeightOfPlane (pixbuf, i);
      offset[i] = off;
      off += size;

      gst_buffer_append_memory (buf,
          gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE,
              CVPixelBufferGetBaseAddressOfPlane (pixbuf, i), size, 0, size,
              NULL, NULL));
    }
  } else {
    int size;

    n_planes = 1;
    stride[0] = CVPixelBufferGetBytesPerRow (pixbuf);
    offset[0] = 0;
    size = stride[0] * vinfo->height;

    gst_buffer_append_memory (buf,
        gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE,
            CVPixelBufferGetBaseAddress (pixbuf), size, 0, size, NULL, NULL));
  }

  if (vinfo) {
    GstVideoMeta *video_meta;

    video_meta =
        gst_buffer_add_video_meta_full (buf, GST_VIDEO_FRAME_FLAG_NONE,
        vinfo->finfo->format, vinfo->width, vinfo->height,
        n_planes, offset, stride);
  }

  return buf;

error:
  return NULL;
}
Ejemplo n.º 4
0
static gboolean
gst_core_media_buffer_wrap_pixel_buffer (GstBuffer * buf, GstVideoInfo * info,
    CVPixelBufferRef pixel_buf, gboolean * has_padding, gboolean map)
{
  guint n_planes;
  gsize offset[GST_VIDEO_MAX_PLANES] = { 0 };
  gint stride[GST_VIDEO_MAX_PLANES] = { 0 };
  GstVideoMeta *video_meta;
  UInt32 size;

  if (map && CVPixelBufferLockBaseAddress (pixel_buf, 0) != kCVReturnSuccess) {
    GST_ERROR ("Could not lock pixel buffer base address");
    return FALSE;
  }

  *has_padding = FALSE;

  if (CVPixelBufferIsPlanar (pixel_buf)) {
    gint i, size = 0, plane_offset = 0;

    n_planes = CVPixelBufferGetPlaneCount (pixel_buf);
    for (i = 0; i < n_planes; i++) {
      stride[i] = CVPixelBufferGetBytesPerRowOfPlane (pixel_buf, i);

      if (stride[i] != GST_VIDEO_INFO_PLANE_STRIDE (info, i)) {
        *has_padding = TRUE;
      }

      size = stride[i] * CVPixelBufferGetHeightOfPlane (pixel_buf, i);
      offset[i] = plane_offset;
      plane_offset += size;

      if (map) {
        gst_buffer_append_memory (buf,
            gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE,
                CVPixelBufferGetBaseAddressOfPlane (pixel_buf, i), size, 0,
                size, NULL, NULL));
      }
    }
  } else {

    n_planes = 1;
    stride[0] = CVPixelBufferGetBytesPerRow (pixel_buf);
    offset[0] = 0;
    size = stride[0] * CVPixelBufferGetHeight (pixel_buf);

    if (map) {
      gst_buffer_append_memory (buf,
          gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE,
              CVPixelBufferGetBaseAddress (pixel_buf), size, 0, size, NULL,
              NULL));
    }
  }

  video_meta =
      gst_buffer_add_video_meta_full (buf, GST_VIDEO_FRAME_FLAG_NONE,
      GST_VIDEO_INFO_FORMAT (info), info->width, info->height, n_planes, offset,
      stride);

  return TRUE;
}
Ejemplo n.º 5
0
GstBuffer *
gst_core_media_buffer_new (CMSampleBufferRef sample_buf)
{
  CVImageBufferRef image_buf;
  CVPixelBufferRef pixel_buf;
  CMBlockBufferRef block_buf;
  gchar *data = NULL;
  UInt32 size;
  OSStatus status;
  GstBuffer *buf;
  GstCoreMediaMeta *meta;

  image_buf = CMSampleBufferGetImageBuffer (sample_buf);
  pixel_buf = NULL;
  block_buf = CMSampleBufferGetDataBuffer (sample_buf);

  if (image_buf != NULL &&
      CFGetTypeID (image_buf) == CVPixelBufferGetTypeID ()) {
    pixel_buf = (CVPixelBufferRef) image_buf;

    if (CVPixelBufferLockBaseAddress (pixel_buf,
            kCVPixelBufferLock_ReadOnly) != kCVReturnSuccess) {
      goto error;
    }

    if (CVPixelBufferIsPlanar (pixel_buf)) {
      gint plane_count, plane_idx;

      data = CVPixelBufferGetBaseAddressOfPlane (pixel_buf, 0);

      size = 0;
      plane_count = CVPixelBufferGetPlaneCount (pixel_buf);
      for (plane_idx = 0; plane_idx != plane_count; plane_idx++) {
        size += CVPixelBufferGetBytesPerRowOfPlane (pixel_buf, plane_idx) *
            CVPixelBufferGetHeightOfPlane (pixel_buf, plane_idx);
      }
    } else {
      data = CVPixelBufferGetBaseAddress (pixel_buf);
      size = CVPixelBufferGetBytesPerRow (pixel_buf) *
          CVPixelBufferGetHeight (pixel_buf);
    }
  } else if (block_buf != NULL) {
    status = CMBlockBufferGetDataPointer (block_buf, 0, 0, 0, &data);
    if (status != noErr)
      goto error;
    size = CMBlockBufferGetDataLength (block_buf);
  } else {
    goto error;
  }

  buf = gst_buffer_new ();

  meta = (GstCoreMediaMeta *) gst_buffer_add_meta (buf,
      gst_core_media_meta_get_info (), NULL);
  CVBufferRetain ((CVBufferRef)sample_buf);
  meta->sample_buf = sample_buf;
  meta->image_buf = image_buf;
  meta->pixel_buf = pixel_buf;
  meta->block_buf = block_buf;

  gst_buffer_append_memory (buf,
      gst_memory_new_wrapped (GST_MEMORY_FLAG_NO_SHARE, data,
          size, 0, size, NULL, NULL));

  return buf;

error:
  return NULL;
}
Ejemplo n.º 6
0
// Copy and return a decoded frame.
nsresult
AppleVTDecoder::OutputFrame(CVPixelBufferRef aImage,
                            nsAutoPtr<FrameRef> aFrameRef)
{
  size_t width = CVPixelBufferGetWidth(aImage);
  size_t height = CVPixelBufferGetHeight(aImage);
  LOG("  got decoded frame data... %ux%u %s", width, height,
      CVPixelBufferIsPlanar(aImage) ? "planar" : "chunked");
#ifdef DEBUG
  size_t planes = CVPixelBufferGetPlaneCount(aImage);
  for (size_t i = 0; i < planes; ++i) {
    size_t stride = CVPixelBufferGetBytesPerRowOfPlane(aImage, i);
    LOG("     plane %u %ux%u rowbytes %u",
        (unsigned)i,
        CVPixelBufferGetWidthOfPlane(aImage, i),
        CVPixelBufferGetHeightOfPlane(aImage, i),
        (unsigned)stride);
  }
  MOZ_ASSERT(planes == 2);
#endif // DEBUG

  VideoData::YCbCrBuffer buffer;

  // Lock the returned image data.
  CVReturn rv = CVPixelBufferLockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);
  if (rv != kCVReturnSuccess) {
    NS_ERROR("error locking pixel data");
    mCallback->Error();
    return NS_ERROR_FAILURE;
  }
  // Y plane.
  buffer.mPlanes[0].mData =
    static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 0));
  buffer.mPlanes[0].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 0);
  buffer.mPlanes[0].mWidth = width;
  buffer.mPlanes[0].mHeight = height;
  buffer.mPlanes[0].mOffset = 0;
  buffer.mPlanes[0].mSkip = 0;
  // Cb plane.
  buffer.mPlanes[1].mData =
    static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
  buffer.mPlanes[1].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
  buffer.mPlanes[1].mWidth = (width+1) / 2;
  buffer.mPlanes[1].mHeight = (height+1) / 2;
  buffer.mPlanes[1].mOffset = 0;
  buffer.mPlanes[1].mSkip = 1;
  // Cr plane.
  buffer.mPlanes[2].mData =
    static_cast<uint8_t*>(CVPixelBufferGetBaseAddressOfPlane(aImage, 1));
  buffer.mPlanes[2].mStride = CVPixelBufferGetBytesPerRowOfPlane(aImage, 1);
  buffer.mPlanes[2].mWidth = (width+1) / 2;
  buffer.mPlanes[2].mHeight = (height+1) / 2;
  buffer.mPlanes[2].mOffset = 1;
  buffer.mPlanes[2].mSkip = 1;

  // Bounds.
  VideoInfo info;
  info.mDisplay = nsIntSize(width, height);
  info.mHasVideo = true;
  gfx::IntRect visible = gfx::IntRect(0,
                                      0,
                                      mConfig.display_width,
                                      mConfig.display_height);

  // Copy the image data into our own format.
  nsAutoPtr<VideoData> data;
  data =
    VideoData::Create(info,
                      mImageContainer,
                      nullptr,
                      aFrameRef->byte_offset,
                      aFrameRef->composition_timestamp,
                      aFrameRef->duration,
                      buffer,
                      aFrameRef->is_sync_point,
                      aFrameRef->decode_timestamp,
                      visible);
  // Unlock the returned image data.
  CVPixelBufferUnlockBaseAddress(aImage, kCVPixelBufferLock_ReadOnly);

  if (!data) {
    NS_ERROR("Couldn't create VideoData for frame");
    mCallback->Error();
    return NS_ERROR_FAILURE;
  }

  // Frames come out in DTS order but we need to output them
  // in composition order.
  mReorderQueue.Push(data.forget());
  // Assume a frame with a PTS <= current DTS is ready.
  while (mReorderQueue.Length() > 0) {
    VideoData* readyData = mReorderQueue.Pop();
    if (readyData->mTime <= aFrameRef->decode_timestamp) {
      LOG("returning queued frame with pts %lld", readyData->mTime);
      mCallback->Output(readyData);
    } else {
      LOG("requeued frame with pts %lld > %lld",
          readyData->mTime, aFrameRef->decode_timestamp);
      mReorderQueue.Push(readyData);
      break;
    }
  }
  LOG("%llu decoded frames queued",
      static_cast<unsigned long long>(mReorderQueue.Length()));

  return NS_OK;
}
Ejemplo n.º 7
0
size_t QTPixelBuffer::heightOfPlane(size_t plane) const
{
    return CVPixelBufferGetHeightOfPlane(m_pixelBuffer, plane);
}
Ejemplo n.º 8
0
static GF_Err VTBDec_ProcessData(GF_MediaDecoder *ifcg,
                               char *inBuffer, u32 inBufferLength,
                               u16 ES_ID, u32 *CTS,
                               char *outBuffer, u32 *outBufferLength,
                               u8 PaddingBits, u32 mmlevel)
{
    OSStatus status;
    CMSampleBufferRef sample = NULL;
    CMBlockBufferRef block_buffer = NULL;
	OSType type;
	char *in_data;
	u32 in_data_size;
	
	GF_Err e;
	VTBDec *ctx = (VTBDec *)ifcg->privateStack;
	
	if (ctx->skip_mpeg4_vosh) {
		GF_M4VDecSpecInfo dsi;
		dsi.width = dsi.height = 0;
		e = gf_m4v_get_config(inBuffer, inBufferLength, &dsi);
		//found a vosh - remove it from payload, init decoder if needed
		if ((e==GF_OK) && dsi.width && dsi.height) {
			if (!ctx->vtb_session) {
				ctx->vosh = inBuffer;
				ctx->vosh_size = dsi.next_object_start;
				e = VTBDec_InitDecoder(ctx, GF_FALSE);
				if (e) return e;

				//enfoce removal for all frames
				ctx->skip_mpeg4_vosh = GF_TRUE;
				
				if (ctx->out_size != *outBufferLength) {
					*outBufferLength = ctx->out_size;
					return GF_BUFFER_TOO_SMALL;
				}
			}
			ctx->vosh_size = dsi.next_object_start;
		} else if (!ctx->vtb_session) {
			*outBufferLength=0;
			return GF_OK;
		}
	}

	if (ctx->init_mpeg12) {
		GF_M4VDecSpecInfo dsi;
		dsi.width = dsi.height = 0;
		
		e = gf_mpegv12_get_config(inBuffer, inBufferLength, &dsi);
		if ((e==GF_OK) && dsi.width && dsi.height) {
			ctx->width = dsi.width;
			ctx->height = dsi.height;
			ctx->pixel_ar = dsi.par_num;
			ctx->pixel_ar <<= 16;
			ctx->pixel_ar |= dsi.par_den;
			
			e = VTBDec_InitDecoder(ctx, GF_FALSE);
			if (e) return e;

			if (ctx->out_size != *outBufferLength) {
				*outBufferLength = ctx->out_size;
				return GF_BUFFER_TOO_SMALL;
			}
		}

		if (!ctx->vtb_session) {
			*outBufferLength=0;
			return GF_OK;
		}
	}

	if (ctx->is_annex_b || (!ctx->vtb_session && ctx->nalu_size_length) ) {
		if (ctx->cached_annex_b) {
			in_data = ctx->cached_annex_b;
			in_data_size = ctx->cached_annex_b_size;
			ctx->cached_annex_b = NULL;
		} else {
			e = VTB_RewriteNALs(ctx, inBuffer, inBufferLength, &in_data, &in_data_size);
			if (e) return e;
		}
		
		if (ctx->out_size != *outBufferLength) {
			*outBufferLength = ctx->out_size;
			ctx->cached_annex_b = in_data;
			ctx->cached_annex_b_size = in_data_size;

			return GF_BUFFER_TOO_SMALL;
		}
	} else if (ctx->vosh_size) {
		in_data = inBuffer + ctx->vosh_size;
		in_data_size = inBufferLength - ctx->vosh_size;
		ctx->vosh_size = 0;
	} else {
		in_data = inBuffer;
		in_data_size = inBufferLength;
	}
	
	if (!ctx->vtb_session) {
		*outBufferLength=0;
		return GF_OK;
	}
	

	status = CMBlockBufferCreateWithMemoryBlock(kCFAllocatorDefault, in_data, in_data_size, kCFAllocatorNull, NULL, 0, in_data_size, 0, &block_buffer);

	if (status) {
		return GF_IO_ERR;
	}

	*outBufferLength=0;
	if (block_buffer == NULL)
		return GF_OK;
		
	
	status = CMSampleBufferCreate(kCFAllocatorDefault, block_buffer, TRUE, NULL, NULL, ctx->fmt_desc, 1, 0, NULL, 0, NULL, &sample);

    if (status || (sample==NULL)) {
		if (block_buffer)
			CFRelease(block_buffer);
		return GF_IO_ERR;
	}
	ctx->last_error = GF_OK;
    status = VTDecompressionSessionDecodeFrame(ctx->vtb_session, sample, 0, NULL, 0);
    if (!status)
		status = VTDecompressionSessionWaitForAsynchronousFrames(ctx->vtb_session);
	

	CFRelease(block_buffer);
	CFRelease(sample);
	if (ctx->cached_annex_b)
		gf_free(in_data);
	
	if (ctx->last_error) return ctx->last_error;
	if (status) return GF_NON_COMPLIANT_BITSTREAM;
	
	if (!ctx->frame) {
		*outBufferLength=0;
		return ctx->last_error;
	}
	
	*outBufferLength = ctx->out_size;
	
	status = CVPixelBufferLockBaseAddress(ctx->frame, kCVPixelBufferLock_ReadOnly);
    if (status != kCVReturnSuccess) {
        GF_LOG(GF_LOG_ERROR, GF_LOG_CODEC, ("[VTB] Error locking frame data\n"));
        return GF_IO_ERR;
    }
	type = CVPixelBufferGetPixelFormatType(ctx->frame);
	
    if (CVPixelBufferIsPlanar(ctx->frame)) {
        u32 i, j, nb_planes = (u32) CVPixelBufferGetPlaneCount(ctx->frame);
		char *dst = outBuffer;
		Bool needs_stride=GF_FALSE;
		if ((type==kCVPixelFormatType_420YpCbCr8Planar)
			|| (type==kCVPixelFormatType_420YpCbCr8PlanarFullRange)
			|| (type==kCVPixelFormatType_422YpCbCr8_yuvs)
			|| (type==kCVPixelFormatType_444YpCbCr8)
			|| (type=='444v')
		
		) {
			u32 stride = (u32) CVPixelBufferGetBytesPerRowOfPlane(ctx->frame, 0);
			
			//TOCHECK - for now the 3 planes are consecutive in VideoToolbox
			if (stride==ctx->width) {
				char *data = CVPixelBufferGetBaseAddressOfPlane(ctx->frame, 0);
				memcpy(dst, data, sizeof(char)*ctx->out_size);
			} else {
				for (i=0; i<nb_planes; i++) {
					char *data = CVPixelBufferGetBaseAddressOfPlane(ctx->frame, i);
					u32 stride = (u32) CVPixelBufferGetBytesPerRowOfPlane(ctx->frame, i);
					u32 w, h = (u32) CVPixelBufferGetHeightOfPlane(ctx->frame, i);
					w = ctx->width;
					if (i) {
						switch (ctx->pix_fmt) {
						case GF_PIXEL_YUV444:
							break;
						case GF_PIXEL_YUV422:
						case GF_PIXEL_YV12:
							w /= 2;
							break;
						}
					}
					if (stride != w) {
						needs_stride=GF_TRUE;
						for (j=0; j<h; j++) {
							memcpy(dst, data, sizeof(char)*w);
							dst += w;
							data += stride;
						}
					} else {
						memcpy(dst, data, sizeof(char)*h*stride);
						dst += sizeof(char)*h*stride;
					}
				}
			}
        } else if ((type==kCVPixelFormatType_420YpCbCr8BiPlanarVideoRange) || (type==kCVPixelFormatType_420YpCbCr8BiPlanarFullRange)) {
			char *dst_v;
			char *data = CVPixelBufferGetBaseAddressOfPlane(ctx->frame, 0);
			u32 stride = (u32) CVPixelBufferGetBytesPerRowOfPlane(ctx->frame, 0);
			u32 i, h = (u32) CVPixelBufferGetHeightOfPlane(ctx->frame, 0);

			if (stride==ctx->width) {
				memcpy(dst, data, sizeof(char)*h*stride);
				dst += sizeof(char)*h*stride;
			} else {
				for (i=0; i<h; i++) {
					memcpy(dst, data, sizeof(char)*ctx->width);
					dst += ctx->width;
					data += stride;
				}
				needs_stride=GF_TRUE;
			}
			
			data = CVPixelBufferGetBaseAddressOfPlane(ctx->frame, 1);
			stride = (u32) CVPixelBufferGetBytesPerRowOfPlane(ctx->frame, 1);
			h = (u32) CVPixelBufferGetHeightOfPlane(ctx->frame, 1);
			dst_v = dst+sizeof(char) * h*stride/2;

			for (i=0; i<ctx->width * h / 2; i++) {
				*dst = data[0];
				*dst_v = data[1];
				data += 2;
				dst_v++;
				dst++;
				
				if (!(i%ctx->width)) data += (stride - ctx->width);

			}

		}
    }

    CVPixelBufferUnlockBaseAddress(ctx->frame, kCVPixelBufferLock_ReadOnly);

	return GF_OK;
}