static GstFlowReturn
gst_mpeg2dec_alloc_buffer (GstMpeg2dec * mpeg2dec, GstVideoCodecFrame * frame,
GstBuffer ** buffer)
{
GstFlowReturn ret;
GstVideoFrame vframe;
guint8 *buf[3];
ret =
gst_mpeg2dec_alloc_sized_buf (mpeg2dec, mpeg2dec->decoded_info.size,
frame, buffer);
if (G_UNLIKELY (ret != GST_FLOW_OK))
goto beach;
if (mpeg2dec->need_cropping && mpeg2dec->has_cropping) {
GstVideoCropMeta *crop;
GstVideoCodecState *state;
GstVideoInfo *vinfo;
state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (mpeg2dec));
vinfo = &state->info;
crop = gst_buffer_add_video_crop_meta (frame->output_buffer);
/* we can do things slightly more efficient when we know that
* downstream understands clipping */
crop->x = 0;
crop->y = 0;
crop->width = vinfo->width;
crop->height = vinfo->height;
gst_video_codec_state_unref (state);
}
if (!gst_video_frame_map (&vframe, &mpeg2dec->decoded_info, *buffer,
GST_MAP_READ | GST_MAP_WRITE))
goto map_fail;
buf[0] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
buf[1] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 1);
buf[2] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 2);
GST_DEBUG_OBJECT (mpeg2dec, "set_buf: %p %p %p, frame %i",
buf[0], buf[1], buf[2], frame->system_frame_number);
/* Note: We use a non-null 'id' value to make the distinction
* between the dummy buffers (which have an id of NULL) and the
* ones we did */
mpeg2_set_buf (mpeg2dec->decoder, buf,
GINT_TO_POINTER (frame->system_frame_number + 1));
gst_mpeg2dec_save_buffer (mpeg2dec, frame->system_frame_number, &vframe);
beach:
return ret;
map_fail:
{
GST_ERROR_OBJECT (mpeg2dec, "Failed to map frame");
return GST_FLOW_ERROR;
}
}
static void
gst_droidcamsrc_dev_prepare_buffer (GstDroidCamSrcDev * dev, GstBuffer * buffer,
DroidMediaRect rect, int width, int height, GstVideoFormat format)
{
GstDroidCamSrc *src = GST_DROIDCAMSRC (GST_PAD_PARENT (dev->imgsrc->pad));
GstVideoCropMeta *crop;
GST_LOG_OBJECT (src, "prepare buffer %" GST_PTR_FORMAT, buffer);
gst_droidcamsrc_timestamp (src, buffer);
crop = gst_buffer_add_video_crop_meta (buffer);
crop->x = rect.left;
crop->y = rect.top;
crop->width = rect.right - rect.left;
crop->height = rect.bottom - rect.top;
gst_buffer_add_gst_buffer_orientation_meta (buffer,
dev->info->orientation, dev->info->direction);
gst_buffer_add_video_meta (buffer, GST_VIDEO_FRAME_FLAG_NONE,
format, width, height);
GST_LOG_OBJECT (src, "preview info: w=%d, h=%d, crop: x=%d, y=%d, w=%d, h=%d",
width, height, crop->x, crop->y, crop->width, crop->height);
}
static gboolean
gst_video_crop_meta_transform (GstBuffer * dest, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
{
GstVideoCropMeta *dmeta, *smeta;
if (GST_META_TRANSFORM_IS_COPY (type)) {
smeta = (GstVideoCropMeta *) meta;
dmeta = gst_buffer_add_video_crop_meta (dest);
GST_DEBUG ("copy crop metadata");
dmeta->x = smeta->x;
dmeta->y = smeta->y;
dmeta->width = smeta->width;
dmeta->height = smeta->height;
} else if (GST_VIDEO_META_TRANSFORM_IS_SCALE (type)) {
GstVideoMetaTransform *trans = data;
gint ow, oh, nw, nh;
smeta = (GstVideoCropMeta *) meta;
dmeta = gst_buffer_add_video_crop_meta (dest);
ow = GST_VIDEO_INFO_WIDTH (trans->in_info);
nw = GST_VIDEO_INFO_WIDTH (trans->out_info);
oh = GST_VIDEO_INFO_HEIGHT (trans->in_info);
nh = GST_VIDEO_INFO_HEIGHT (trans->out_info);
GST_DEBUG ("scaling crop metadata %dx%d -> %dx%d", ow, oh, nw, nh);
dmeta->x = (smeta->x * nw) / ow;
dmeta->y = (smeta->y * nh) / oh;
dmeta->width = (smeta->width * nw) / ow;
dmeta->height = (smeta->height * nh) / oh;
GST_DEBUG ("crop offset %dx%d -> %dx%d", smeta->x, smeta->y, dmeta->x,
dmeta->y);
GST_DEBUG ("crop size %dx%d -> %dx%d", smeta->width, smeta->height,
dmeta->width, dmeta->height);
}
return TRUE;
}
/* The produced buffer contains only metadata, no memory blocks - the IPU sink does not need anything more
* TODO: add some logic to wrap the framebuffer memory block, including map/unmap code etc. */
GstBuffer* gst_imx_ipu_blitter_wrap_framebuffer(GstImxIpuBlitter *ipu_blitter, int framebuffer_fd, guint x, guint y, guint width, guint height)
{
guint fb_width, fb_height;
GstVideoFormat fb_format;
GstBuffer *buffer;
GstImxPhysMemMeta *phys_mem_meta;
struct fb_var_screeninfo fb_var;
struct fb_fix_screeninfo fb_fix;
if (ioctl(framebuffer_fd, FBIOGET_FSCREENINFO, &fb_fix) == -1)
{
GST_ERROR_OBJECT(ipu_blitter, "could not open get fixed screen info: %s", strerror(errno));
return NULL;
}
if (ioctl(framebuffer_fd, FBIOGET_VSCREENINFO, &fb_var) == -1)
{
GST_ERROR_OBJECT(ipu_blitter, "could not open get variable screen info: %s", strerror(errno));
return NULL;
}
fb_width = fb_var.xres;
fb_height = fb_var.yres;
fb_format = gst_imx_ipu_blitter_get_format_from_fb(ipu_blitter, &fb_var, &fb_fix);
GST_DEBUG_OBJECT(ipu_blitter, "framebuffer resolution is %u x %u", fb_width, fb_height);
buffer = gst_buffer_new();
gst_buffer_add_video_meta(buffer, GST_VIDEO_FRAME_FLAG_NONE, fb_format, fb_width, fb_height);
if ((width != 0) && (height != 0))
{
GstVideoCropMeta *video_crop_meta;
video_crop_meta = gst_buffer_add_video_crop_meta(buffer);
video_crop_meta->x = x;
video_crop_meta->y = y;
video_crop_meta->width = width;
video_crop_meta->height = height;
}
phys_mem_meta = GST_IMX_PHYS_MEM_META_ADD(buffer);
phys_mem_meta->phys_addr = (guintptr)(fb_fix.smem_start);
return buffer;
}
/* Allocate buffer and copy image data into Y444 format */
static GstFlowReturn
theora_handle_image (GstTheoraDec * dec, th_ycbcr_buffer buf,
GstVideoCodecFrame * frame)
{
GstVideoDecoder *decoder = GST_VIDEO_DECODER (dec);
gint width, height, stride;
GstFlowReturn result;
gint i, comp;
guint8 *dest, *src;
GstVideoFrame vframe;
gint pic_width, pic_height;
gint offset_x, offset_y;
result = gst_video_decoder_allocate_output_frame (decoder, frame);
if (G_UNLIKELY (result != GST_FLOW_OK)) {
GST_DEBUG_OBJECT (dec, "could not get buffer, reason: %s",
gst_flow_get_name (result));
return result;
}
if (!dec->can_crop) {
/* we need to crop the hard way */
offset_x = dec->info.pic_x;
offset_y = dec->info.pic_y;
pic_width = dec->info.pic_width;
pic_height = dec->info.pic_height;
/* Ensure correct offsets in chroma for formats that need it
* by rounding the offset. libtheora will add proper pixels,
* so no need to handle them ourselves. */
if (offset_x & 1 && dec->info.pixel_fmt != TH_PF_444)
offset_x--;
if (offset_y & 1 && dec->info.pixel_fmt == TH_PF_420)
offset_y--;
} else {
/* copy the whole frame */
offset_x = 0;
offset_y = 0;
pic_width = dec->info.frame_width;
pic_height = dec->info.frame_height;
if (dec->info.pic_width != dec->info.frame_width ||
dec->info.pic_height != dec->info.frame_height ||
dec->info.pic_x != 0 || dec->info.pic_y != 0) {
GstVideoMeta *vmeta;
GstVideoCropMeta *cmeta;
vmeta = gst_buffer_get_video_meta (frame->output_buffer);
/* If the buffer pool didn't add the meta already
* we add it ourselves here */
if (!vmeta)
vmeta = gst_buffer_add_video_meta (frame->output_buffer,
GST_VIDEO_FRAME_FLAG_NONE,
dec->output_state->info.finfo->format,
dec->info.frame_width, dec->info.frame_height);
/* Just to be sure that the buffer pool doesn't do something
* completely weird and we would crash later
*/
g_assert (vmeta->format == dec->output_state->info.finfo->format);
g_assert (vmeta->width == dec->info.frame_width);
g_assert (vmeta->height == dec->info.frame_height);
cmeta = gst_buffer_add_video_crop_meta (frame->output_buffer);
/* we can do things slightly more efficient when we know that
* downstream understands clipping */
cmeta->x = dec->info.pic_x;
cmeta->y = dec->info.pic_y;
cmeta->width = dec->info.pic_width;
cmeta->height = dec->info.pic_height;
}
}
/* if only libtheora would allow us to give it a destination frame */
GST_CAT_TRACE_OBJECT (GST_CAT_PERFORMANCE, dec,
"doing unavoidable video frame copy");
if (G_UNLIKELY (!gst_video_frame_map (&vframe, &dec->output_state->info,
frame->output_buffer, GST_MAP_WRITE)))
goto invalid_frame;
for (comp = 0; comp < 3; comp++) {
width =
GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (vframe.info.finfo, comp, pic_width);
height =
GST_VIDEO_FORMAT_INFO_SCALE_HEIGHT (vframe.info.finfo, comp,
pic_height);
stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, comp);
dest = GST_VIDEO_FRAME_COMP_DATA (&vframe, comp);
src = buf[comp].data;
src += ((height == pic_height) ? offset_y : offset_y / 2)
* buf[comp].stride;
src += (width == pic_width) ? offset_x : offset_x / 2;
for (i = 0; i < height; i++) {
memcpy (dest, src, width);
dest += stride;
src += buf[comp].stride;
}
}
gst_video_frame_unmap (&vframe);
return GST_FLOW_OK;
invalid_frame:
{
GST_DEBUG_OBJECT (dec, "could not map video frame");
return GST_FLOW_ERROR;
}
}
static GstFlowReturn
gst_vaapidecode_push_decoded_frame (GstVideoDecoder * vdec,
GstVideoCodecFrame * out_frame)
{
GstVaapiDecode *const decode = GST_VAAPIDECODE (vdec);
GstVaapiSurfaceProxy *proxy;
GstFlowReturn ret;
const GstVaapiRectangle *crop_rect;
GstVaapiVideoMeta *meta;
guint flags, out_flags = 0;
if (!GST_VIDEO_CODEC_FRAME_IS_DECODE_ONLY (out_frame)) {
proxy = gst_video_codec_frame_get_user_data (out_frame);
/* reconfigure if un-cropped surface resolution changed */
if (is_surface_resolution_changed (vdec, GST_VAAPI_SURFACE_PROXY_SURFACE (proxy)))
gst_vaapidecode_negotiate (decode);
gst_vaapi_surface_proxy_set_destroy_notify (proxy,
(GDestroyNotify) gst_vaapidecode_release, gst_object_ref (decode));
ret = gst_video_decoder_allocate_output_frame (vdec, out_frame);
if (ret != GST_FLOW_OK)
goto error_create_buffer;
meta = gst_buffer_get_vaapi_video_meta (out_frame->output_buffer);
if (!meta)
goto error_get_meta;
gst_vaapi_video_meta_set_surface_proxy (meta, proxy);
flags = gst_vaapi_surface_proxy_get_flags (proxy);
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_CORRUPTED)
out_flags |= GST_BUFFER_FLAG_CORRUPTED;
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_INTERLACED) {
out_flags |= GST_VIDEO_BUFFER_FLAG_INTERLACED;
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_TFF)
out_flags |= GST_VIDEO_BUFFER_FLAG_TFF;
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_RFF)
out_flags |= GST_VIDEO_BUFFER_FLAG_RFF;
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_ONEFIELD)
out_flags |= GST_VIDEO_BUFFER_FLAG_ONEFIELD;
}
GST_BUFFER_FLAG_SET (out_frame->output_buffer, out_flags);
#if GST_CHECK_VERSION(1,5,0)
/* First-in-bundle flag only appeared in 1.5 dev */
if (flags & GST_VAAPI_SURFACE_PROXY_FLAG_FFB) {
GST_BUFFER_FLAG_SET (out_frame->output_buffer,
GST_VIDEO_BUFFER_FLAG_FIRST_IN_BUNDLE);
}
#endif
crop_rect = gst_vaapi_surface_proxy_get_crop_rect (proxy);
if (crop_rect) {
GstVideoCropMeta *const crop_meta =
gst_buffer_add_video_crop_meta (out_frame->output_buffer);
if (crop_meta) {
crop_meta->x = crop_rect->x;
crop_meta->y = crop_rect->y;
crop_meta->width = crop_rect->width;
crop_meta->height = crop_rect->height;
}
}
#if (USE_GLX || USE_EGL)
if (decode->has_texture_upload_meta)
gst_buffer_ensure_texture_upload_meta (out_frame->output_buffer);
#endif
}
ret = gst_video_decoder_finish_frame (vdec, out_frame);
if (ret != GST_FLOW_OK)
goto error_commit_buffer;
gst_video_codec_frame_unref (out_frame);
return GST_FLOW_OK;
/* ERRORS */
error_create_buffer:
{
const GstVaapiID surface_id =
gst_vaapi_surface_get_id (GST_VAAPI_SURFACE_PROXY_SURFACE (proxy));
GST_ELEMENT_ERROR (vdec, STREAM, FAILED,
("Failed to create sink buffer"),
("video sink failed to create video buffer for proxy'ed "
"surface %" GST_VAAPI_ID_FORMAT, GST_VAAPI_ID_ARGS (surface_id)));
gst_video_decoder_drop_frame (vdec, out_frame);
gst_video_codec_frame_unref (out_frame);
return GST_FLOW_ERROR;
}
error_get_meta:
{
GST_ELEMENT_ERROR (vdec, STREAM, FAILED,
("Failed to get vaapi video meta attached to video buffer"),
("Failed to get vaapi video meta attached to video buffer"));
gst_video_decoder_drop_frame (vdec, out_frame);
gst_video_codec_frame_unref (out_frame);
return GST_FLOW_ERROR;
}
error_commit_buffer:
{
GST_INFO_OBJECT (decode, "downstream element rejected the frame (%s [%d])",
gst_flow_get_name (ret), ret);
gst_video_codec_frame_unref (out_frame);
return ret;
}
}
static GstFlowReturn
gst_mfc_dec_fill_outbuf (GstMFCDec * self, GstBuffer * outbuf,
struct mfc_buffer *mfc_outbuf, GstVideoCodecState * state)
{
GstFlowReturn ret = GST_FLOW_OK;
const guint8 *mfc_outbuf_comps[3] = { NULL, };
gint i, j, h, w, src_stride, dst_stride;
guint8 *dst_, *src_;
GstVideoFrame vframe;
Fimc *fimc = self->fimc;
gboolean zerocopy, has_cropping;
memset (&vframe, 0, sizeof (vframe));
zerocopy = TRUE;
/* FIXME: Not 100% correct, we need the memory of each
* plane to be contiguous at least */
if (GST_VIDEO_INFO_N_PLANES (&state->info) > gst_buffer_n_memory (outbuf)) {
zerocopy = FALSE;
} else {
gint n = gst_buffer_n_memory (outbuf);
for (i = 0; i < n; i++) {
GstMemory *mem = gst_buffer_peek_memory (outbuf, i);
if (!GST_MEMORY_IS_PHYSICALLY_CONTIGUOUS (mem)) {
zerocopy = FALSE;
break;
}
}
}
has_cropping = self->has_cropping && (self->width != self->crop_width
|| self->height != self->crop_height);
/* We only do cropping if we do zerocopy and downstream
* supports cropping. For non-zerocopy we can do cropping
* more efficient.
* We can't do cropping ourself with zerocopy because
* FIMC returns EFAULT when queueing the destination
* buffers
*/
if (zerocopy && has_cropping) {
GstVideoCropMeta *crop;
crop = gst_buffer_add_video_crop_meta (outbuf);
crop->x = self->crop_left;
crop->y = self->crop_top;
crop->width = self->crop_width;
crop->height = self->crop_height;
}
if (!gst_video_frame_map (&vframe, &state->info, outbuf, GST_MAP_WRITE))
goto frame_map_error;
mfc_buffer_get_output_data (mfc_outbuf, (void **) &mfc_outbuf_comps[0],
(void **) &mfc_outbuf_comps[1]);
if (zerocopy && (has_cropping || (self->width == self->crop_width
&& self->height == self->crop_height))) {
void *dst[3];
if (self->mmap || !self->fimc) {
if (!gst_mfc_dec_create_fimc (self, state))
goto fimc_create_error;
fimc = self->fimc;
if (self->format == GST_VIDEO_FORMAT_NV12) {
self->dst_stride[0] = GST_ROUND_UP_4 (self->width);
self->dst_stride[1] = GST_ROUND_UP_4 (self->width);
self->dst_stride[2] = 0;
} else {
self->dst_stride[0] = GST_ROUND_UP_4 (self->width);
self->dst_stride[1] = GST_ROUND_UP_4 ((self->width + 1) / 2);
self->dst_stride[2] = GST_ROUND_UP_4 ((self->width + 1) / 2);
}
if (has_cropping) {
if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
self->height, self->dst_stride, 0, 0, self->width,
self->height) < 0)
goto fimc_dst_error;
} else {
if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
self->height, self->dst_stride, self->crop_left,
self->crop_top, self->crop_width, self->crop_height) < 0)
goto fimc_dst_error;
}
self->mmap = FALSE;
if (fimc_request_dst_buffers (fimc) < 0)
goto fimc_dst_requestbuffers_error;
self->dst[0] = NULL;
self->dst[1] = NULL;
self->dst[2] = NULL;
}
dst[0] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
dst[1] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 1);
if (self->format == GST_VIDEO_FORMAT_NV12)
dst[2] = NULL;
else
dst[2] = GST_VIDEO_FRAME_PLANE_DATA (&vframe, 2);
if (fimc_convert (fimc, (void **) mfc_outbuf_comps, (void **) dst) < 0)
goto fimc_convert_error;
} else {
if (!self->mmap || !self->fimc) {
if (!gst_mfc_dec_create_fimc (self, state))
goto fimc_create_error;
self->dst_stride[0] = 0;
self->dst_stride[1] = 0;
self->dst_stride[2] = 0;
self->mmap = TRUE;
fimc = self->fimc;
}
if (!self->dst[0]) {
if (fimc_set_dst_format (fimc, self->fimc_format, self->width,
self->height, self->dst_stride, self->crop_left,
self->crop_top, self->crop_width, self->crop_height) < 0)
goto fimc_dst_error;
if (fimc_request_dst_buffers_mmap (fimc, self->dst, self->dst_stride) < 0)
goto fimc_dst_requestbuffers_error;
}
if (fimc_convert (fimc, (void **) mfc_outbuf_comps,
(void **) self->dst) < 0)
goto fimc_convert_error;
switch (state->info.finfo->format) {
case GST_VIDEO_FORMAT_RGBx:
dst_ = (guint8 *) GST_VIDEO_FRAME_COMP_DATA (&vframe, 0);
src_ = self->dst[0];
src_stride = self->dst_stride[0];
h = GST_VIDEO_FRAME_HEIGHT (&vframe);
w = GST_VIDEO_FRAME_WIDTH (&vframe);
dst_stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, 0);
for (i = 0; i < h; i++) {
memcpy (dst_, src_, w);
dst_ += dst_stride;
src_ += src_stride;
}
break;
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
for (j = 0; j < 3; j++) {
dst_ = (guint8 *) GST_VIDEO_FRAME_COMP_DATA (&vframe, j);
src_ = self->dst[j];
src_stride = self->dst_stride[j];
h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j);
dst_stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, j);
for (i = 0; i < h; i++) {
memcpy (dst_, src_, w);
dst_ += dst_stride;
src_ += src_stride;
}
}
break;
case GST_VIDEO_FORMAT_NV12:
for (j = 0; j < 2; j++) {
dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, j);
src_ = self->dst[j];
src_stride = self->dst_stride[j];
h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j) * (j == 0 ? 1 : 2);
dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, j);
for (i = 0; i < h; i++) {
memcpy (dst_, src_, w);
dst_ += dst_stride;
src_ += src_stride;
}
}
break;
default:
g_assert_not_reached ();
break;
}
}
done:
if (vframe.buffer)
gst_video_frame_unmap (&vframe);
return ret;
frame_map_error:
{
GST_ELEMENT_ERROR (self, CORE, FAILED, ("Failed to map output buffer"),
(NULL));
ret = GST_FLOW_ERROR;
goto done;
}
fimc_create_error:
{
ret = GST_FLOW_ERROR;
goto done;
}
fimc_dst_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
("Failed to set FIMC destination parameters"), (NULL));
ret = GST_FLOW_ERROR;
goto done;
}
fimc_dst_requestbuffers_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
("Failed to request FIMC destination buffers"), (NULL));
ret = GST_FLOW_ERROR;
goto done;
}
fimc_convert_error:
{
GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
("Failed to convert via FIMC"), (NULL));
ret = GST_FLOW_ERROR;
goto done;
}
}
static GstFlowReturn
gst_mfxpostproc_transform (GstBaseTransform * trans, GstBuffer * inbuf,
GstBuffer * outbuf)
{
GstMfxPostproc *const vpp = GST_MFXPOSTPROC (trans);
GstMfxVideoMeta *inbuf_meta, *outbuf_meta;
GstMfxSurface *surface, *out_surface;
GstMfxFilterStatus status = GST_MFX_FILTER_STATUS_SUCCESS;
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *buf = NULL;
GstMfxRectangle *crop_rect = NULL;
GstClockTime timestamp;
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
ret = gst_mfx_plugin_base_get_input_buffer (GST_MFX_PLUGIN_BASE (vpp),
inbuf, &buf);
if (GST_FLOW_OK != ret)
return ret;
inbuf_meta = gst_buffer_get_mfx_video_meta (buf);
surface = gst_mfx_video_meta_get_surface (inbuf_meta);
if (!surface)
goto error_create_surface;
do {
if (vpp->flags & GST_MFX_POSTPROC_FLAG_FRC) {
if (GST_MFX_FILTER_STATUS_ERROR_MORE_SURFACE != status)
gst_buffer_replace (&buf, NULL);
buf = create_output_buffer (vpp);
if (!buf)
goto error_create_buffer;
}
status = gst_mfx_filter_process (vpp->filter, surface, &out_surface);
if (GST_MFX_FILTER_STATUS_SUCCESS != status
&& GST_MFX_FILTER_STATUS_ERROR_MORE_SURFACE != status
&& GST_MFX_FILTER_STATUS_ERROR_MORE_DATA != status)
goto error_process_vpp;
if (GST_MFX_FILTER_STATUS_ERROR_MORE_SURFACE == status)
outbuf_meta = gst_buffer_get_mfx_video_meta (buf);
else
outbuf_meta = gst_buffer_get_mfx_video_meta (outbuf);
if (!outbuf_meta)
goto error_create_meta;
gst_mfx_video_meta_set_surface (outbuf_meta, out_surface);
crop_rect = gst_mfx_surface_get_crop_rect (out_surface);
if (crop_rect) {
GstVideoCropMeta *const crop_meta =
gst_buffer_add_video_crop_meta (outbuf);
if (crop_meta) {
crop_meta->x = crop_rect->x;
crop_meta->y = crop_rect->y;
crop_meta->width = crop_rect->width;
crop_meta->height = crop_rect->height;
}
}
if (GST_MFX_FILTER_STATUS_ERROR_MORE_DATA == status) {
gst_buffer_unref (buf);
return GST_BASE_TRANSFORM_FLOW_DROPPED;
}
if (GST_MFX_FILTER_STATUS_ERROR_MORE_SURFACE == status) {
GST_BUFFER_TIMESTAMP (buf) = timestamp;
GST_BUFFER_DURATION (buf) = vpp->field_duration;
timestamp += vpp->field_duration;
ret = gst_pad_push (trans->srcpad, buf);
}
else {
if (vpp->flags & GST_MFX_POSTPROC_FLAG_FRC) {
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
GST_BUFFER_DURATION (outbuf) = vpp->field_duration;
}
else {
gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
}
}
} while (GST_MFX_FILTER_STATUS_ERROR_MORE_SURFACE == status
&& GST_FLOW_OK == ret);
gst_mfx_surface_dequeue(surface);
#if GST_CHECK_VERSION(1,8,0)
gst_mfx_plugin_base_export_dma_buffer (GST_MFX_PLUGIN_BASE (vpp), outbuf);
#endif // GST_CHECK_VERSION
gst_buffer_unref (buf);
return ret;
/* ERRORS */
error_create_buffer:
{
GST_ERROR ("failed to output buffer");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
error_create_meta:
{
GST_ERROR ("failed to create new output buffer meta");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
error_create_surface:
{
GST_ERROR ("failed to create surface surface from buffer");
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
error_process_vpp:
{
GST_ERROR ("failed to apply VPP (error %d)", status);
gst_buffer_unref (buf);
return GST_FLOW_ERROR;
}
}
