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d3dvideosink: Set actual buffer size to buffer pool
If configured size of buffer pool and actual buffer size are mismatched, pool will do unwanted buffer resize. Fixes #801
This commit is contained in:
Seungha Yang
Sebastian Dröge
parent
dee5201392
commit
6c6d351665
1 changed files with 122 additions and 70 deletions
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@ -519,18 +519,97 @@ gst_d3dsurface_buffer_pool_get_options (GstBufferPool * pool)
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return options;
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}
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/* Calculate actual required buffer size from D3DLOCKED_RECT structure.
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* Note that D3D could require larger Pitch value than minimum required one in theory.
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* See also
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* https://docs.microsoft.com/en-us/windows/desktop/direct3d9/width-vs--pitch */
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static gboolean
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d3d_calculate_buffer_size (GstVideoInfo * info, D3DLOCKED_RECT * lr,
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gsize * offset, gint * stride, gsize * size)
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{
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switch (GST_VIDEO_INFO_FORMAT (info)) {
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case GST_VIDEO_FORMAT_BGR:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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*size = lr->Pitch * GST_VIDEO_INFO_HEIGHT (info) * 3;
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break;
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_RGBA:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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*size = lr->Pitch * GST_VIDEO_INFO_HEIGHT (info) * 4;
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break;
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case GST_VIDEO_FORMAT_RGB16:
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case GST_VIDEO_FORMAT_RGB15:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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*size = lr->Pitch * GST_VIDEO_INFO_HEIGHT (info) * 2;
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break;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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*size = lr->Pitch * GST_VIDEO_INFO_HEIGHT (info) * 2;
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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if (GST_VIDEO_INFO_FORMAT (info) == GST_VIDEO_FORMAT_YV12) {
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offset[1] =
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offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
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stride[1] = lr->Pitch / 2;
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offset[2] =
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offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
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stride[2] = lr->Pitch / 2;
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*size = offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (info, 2);
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} else {
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offset[2] =
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offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
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stride[2] = lr->Pitch / 2;
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offset[1] =
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offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (info, 2);
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stride[1] = lr->Pitch / 2;
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*size = offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
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}
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break;
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case GST_VIDEO_FORMAT_NV12:
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offset[0] = 0;
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stride[0] = lr->Pitch;
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offset[1] = offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (info, 0);
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stride[1] = lr->Pitch;
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*size = offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (info, 1);
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break;
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default:
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return FALSE;
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}
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GST_LOG ("Calculated buffer size: %" G_GSIZE_FORMAT
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" (%s %dx%d, Pitch %d)", *size,
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gst_video_format_to_string (GST_VIDEO_INFO_FORMAT (info)),
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GST_VIDEO_INFO_WIDTH (info), GST_VIDEO_INFO_HEIGHT (info), lr->Pitch);
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return TRUE;
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}
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static gboolean
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gst_d3dsurface_buffer_pool_set_config (GstBufferPool * bpool,
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GstStructure * config)
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{
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GstD3DSurfaceBufferPool *pool = GST_D3DSURFACE_BUFFER_POOL_CAST (bpool);
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GstD3DVideoSink *sink = pool->sink;
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GstD3DVideoSinkClass *klass = GST_D3DVIDEOSINK_GET_CLASS (sink);
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GstCaps *caps;
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GstVideoInfo info;
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if (!GST_BUFFER_POOL_CLASS
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(gst_d3dsurface_buffer_pool_parent_class)->set_config (bpool, config)) {
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return FALSE;
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}
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LPDIRECT3DSURFACE9 surface;
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D3DFORMAT d3dformat;
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gint stride[GST_VIDEO_MAX_PLANES] = { 0, };
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gsize offset[GST_VIDEO_MAX_PLANES] = { 0, };
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D3DLOCKED_RECT lr;
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HRESULT hr;
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gsize size;
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if (!gst_buffer_pool_config_get_params (config, &caps, NULL, NULL, NULL)
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|| !caps) {
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@ -544,8 +623,8 @@ gst_d3dsurface_buffer_pool_set_config (GstBufferPool * bpool,
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return FALSE;
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}
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if (gst_video_format_to_d3d_format (GST_VIDEO_INFO_FORMAT (&info)) ==
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D3DFMT_UNKNOWN) {
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d3dformat = gst_video_format_to_d3d_format (GST_VIDEO_INFO_FORMAT (&info));
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if (d3dformat == D3DFMT_UNKNOWN) {
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GST_ERROR_OBJECT (pool, "Unsupported video format in caps %" GST_PTR_FORMAT,
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caps);
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return FALSE;
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@ -554,6 +633,33 @@ gst_d3dsurface_buffer_pool_set_config (GstBufferPool * bpool,
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GST_LOG_OBJECT (pool, "%dx%d, caps %" GST_PTR_FORMAT, info.width, info.height,
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caps);
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/* Create a surface to get exact buffer size */
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hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->d3d.
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device.d3d_device, GST_VIDEO_INFO_WIDTH (&info),
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GST_VIDEO_INFO_HEIGHT (&info), d3dformat, D3DPOOL_DEFAULT, &surface,
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NULL);
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if (hr != D3D_OK) {
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GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
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return FALSE;
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}
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IDirect3DSurface9_LockRect (surface, &lr, NULL, 0);
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if (!lr.pBits) {
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GST_ERROR_OBJECT (sink, "Failed to lock D3D surface");
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IDirect3DSurface9_Release (surface);
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return FALSE;
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}
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if (!d3d_calculate_buffer_size (&info, &lr, offset, stride, &size)) {
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GST_ERROR_OBJECT (sink, "Failed to get buffer size");
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IDirect3DSurface9_UnlockRect (surface);
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IDirect3DSurface9_Release (surface);
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return FALSE;
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}
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IDirect3DSurface9_UnlockRect (surface);
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IDirect3DSurface9_Release (surface);
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pool->info = info;
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pool->add_metavideo =
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@ -566,7 +672,10 @@ gst_d3dsurface_buffer_pool_set_config (GstBufferPool * bpool,
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gst_object_ref_sink (pool->allocator);
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}
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return TRUE;
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gst_buffer_pool_config_set_params (config, caps, size, 2, 0);
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return GST_BUFFER_POOL_CLASS
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(gst_d3dsurface_buffer_pool_parent_class)->set_config (bpool, config);
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}
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static GstFlowReturn
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@ -609,68 +718,11 @@ gst_d3dsurface_buffer_pool_alloc_buffer (GstBufferPool * bpool,
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goto fallback;
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}
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switch (GST_VIDEO_INFO_FORMAT (&pool->info)) {
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case GST_VIDEO_FORMAT_BGR:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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size = lr.Pitch * GST_VIDEO_INFO_HEIGHT (&pool->info) * 3;
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break;
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case GST_VIDEO_FORMAT_BGRx:
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case GST_VIDEO_FORMAT_RGBx:
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case GST_VIDEO_FORMAT_BGRA:
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case GST_VIDEO_FORMAT_RGBA:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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size = lr.Pitch * GST_VIDEO_INFO_HEIGHT (&pool->info) * 4;
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break;
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case GST_VIDEO_FORMAT_RGB16:
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case GST_VIDEO_FORMAT_RGB15:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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size = lr.Pitch * GST_VIDEO_INFO_HEIGHT (&pool->info) * 2;
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break;
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case GST_VIDEO_FORMAT_YUY2:
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case GST_VIDEO_FORMAT_UYVY:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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size = lr.Pitch * GST_VIDEO_INFO_HEIGHT (&pool->info) * 2;
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break;
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case GST_VIDEO_FORMAT_I420:
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case GST_VIDEO_FORMAT_YV12:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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if (GST_VIDEO_INFO_FORMAT (&pool->info) == GST_VIDEO_FORMAT_YV12) {
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offset[1] =
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offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 0);
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stride[1] = lr.Pitch / 2;
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offset[2] =
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offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 1);
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stride[2] = lr.Pitch / 2;
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size =
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offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 2);
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} else {
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offset[2] =
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offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 0);
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stride[2] = lr.Pitch / 2;
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offset[1] =
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offset[2] + stride[2] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 2);
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stride[1] = lr.Pitch / 2;
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size =
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offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 1);
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}
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break;
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case GST_VIDEO_FORMAT_NV12:
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offset[0] = 0;
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stride[0] = lr.Pitch;
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offset[1] =
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offset[0] + stride[0] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 0);
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stride[1] = lr.Pitch;
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size =
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offset[1] + stride[1] * GST_VIDEO_INFO_COMP_HEIGHT (&pool->info, 1);
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break;
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default:
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g_assert_not_reached ();
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break;
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if (!d3d_calculate_buffer_size (&pool->info, &lr, offset, stride, &size)) {
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GST_ERROR_OBJECT (sink, "Failed to get buffer size");
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IDirect3DSurface9_UnlockRect (surface);
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IDirect3DSurface9_Release (surface);
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return GST_FLOW_ERROR;
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}
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IDirect3DSurface9_UnlockRect (surface);
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