mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2025-01-31 11:32:38 +00:00
mfc: Implement negotiation to NV12 or I420 based on downstream caps
This commit is contained in:
Sebastian Dröge
parent
c77e820a52
commit
6111f89365
2 changed files with 125 additions and 75 deletions
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@ -38,6 +38,7 @@ static gboolean gst_mfc_dec_reset (GstVideoDecoder * decoder, gboolean hard);
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static GstFlowReturn gst_mfc_dec_finish (GstVideoDecoder * decoder);
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static GstFlowReturn gst_mfc_dec_handle_frame (GstVideoDecoder * decoder,
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GstVideoCodecFrame * frame);
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static gboolean gst_mfc_dec_negotiate (GstVideoDecoder * decoder);
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static GstStaticPadTemplate gst_mfc_dec_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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@ -52,7 +53,7 @@ static GstStaticPadTemplate gst_mfc_dec_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("I420"))
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("{ I420, NV12 }"))
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);
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#define parent_class gst_mfc_dec_parent_class
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@ -86,6 +87,7 @@ gst_mfc_dec_class_init (GstMFCDecClass * klass)
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video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_mfc_dec_finish);
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video_decoder_class->reset = GST_DEBUG_FUNCPTR (gst_mfc_dec_reset);
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video_decoder_class->set_format = GST_DEBUG_FUNCPTR (gst_mfc_dec_set_format);
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video_decoder_class->negotiate = GST_DEBUG_FUNCPTR (gst_mfc_dec_negotiate);
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video_decoder_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_mfc_dec_handle_frame);
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@ -311,6 +313,81 @@ gst_mfc_dec_get_earliest_frame (GstMFCDec * self)
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return frame;
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}
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static gboolean
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gst_mfc_dec_negotiate (GstVideoDecoder * decoder)
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{
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GstMFCDec *self = GST_MFC_DEC (decoder);
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Fimc *fimc = self->fimc;
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GstVideoCodecState *state;
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GstCaps *allowed_caps;
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GstVideoFormat format = GST_VIDEO_FORMAT_I420;
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FimcColorFormat fimc_format;
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allowed_caps = gst_pad_get_allowed_caps (GST_VIDEO_DECODER_SRC_PAD (self));
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allowed_caps = gst_caps_truncate (allowed_caps);
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allowed_caps = gst_caps_fixate (allowed_caps);
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if (!gst_caps_is_empty (allowed_caps)) {
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const gchar *format_str;
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GstStructure *s = gst_caps_get_structure (allowed_caps, 0);
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format_str = gst_structure_get_string (s, "format");
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if (format_str)
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format = gst_video_format_from_string (format_str);
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}
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gst_caps_unref (allowed_caps);
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switch (format) {
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case GST_VIDEO_FORMAT_I420:
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fimc_format = FIMC_COLOR_FORMAT_YUV420P;
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break;
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case GST_VIDEO_FORMAT_NV12:
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fimc_format = FIMC_COLOR_FORMAT_YUV420SP;
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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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}
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if (fimc_set_src_format (fimc, FIMC_COLOR_FORMAT_YUV420SPT, self->width,
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self->height, self->src_stride, self->crop_left, self->crop_top,
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self->crop_width, self->crop_height) < 0)
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goto fimc_src_error;
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if (fimc_set_dst_format_direct (fimc, fimc_format, self->width,
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self->height, self->crop_left, self->crop_top, self->crop_width,
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self->crop_height, self->dst, self->dst_stride) < 0)
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goto fimc_dst_error;
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GST_DEBUG_OBJECT (self,
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"Got direct output buffer: %p [%d], %p [%d], %p [%d]", self->dst[0],
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self->dst_stride[0], self->dst[1], self->dst_stride[1], self->dst[2],
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self->dst_stride[2]);
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state =
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gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
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GST_VIDEO_FORMAT_I420, self->crop_width, self->crop_height,
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self->input_state);
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gst_video_codec_state_unref (state);
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return
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GST_VIDEO_DECODER_CLASS (gst_mfc_dec_parent_class)->negotiate (decoder);
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fimc_src_error:
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{
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GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
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("Failed to set FIMC source parameters"), (NULL));
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return FALSE;
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}
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fimc_dst_error:
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{
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GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
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("Failed to set FIMC destination parameters"), (NULL));
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return FALSE;
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}
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}
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static GstFlowReturn
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gst_mfc_dec_dequeue_output (GstMFCDec * self)
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{
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@ -348,13 +425,13 @@ gst_mfc_dec_dequeue_output (GstMFCDec * self)
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"crop_width %d, crop_height %d", width, height, src_ystride,
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src_uvstride, crop_left, crop_top, crop_width, crop_height);
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if (self->width != width || self->height != height ||
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state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
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if (!state || self->width != width || self->height != height ||
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self->src_stride[0] != src_ystride
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|| self->src_stride[1] != src_uvstride
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|| self->crop_left != self->crop_left || self->crop_top != crop_top
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|| self->crop_width != crop_width || self->crop_height != crop_height) {
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fimc = self->fimc;
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self->width = width;
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self->height = height;
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self->crop_left = crop_left;
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@ -365,32 +442,12 @@ gst_mfc_dec_dequeue_output (GstMFCDec * self)
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self->src_stride[1] = src_uvstride;
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self->src_stride[2] = 0;
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if (fimc_set_src_format (fimc, FIMC_COLOR_FORMAT_YUV420SPT, width, height,
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self->src_stride, crop_left, crop_top, crop_width,
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crop_height) < 0)
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goto fimc_src_error;
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if (fimc_set_dst_format_direct (fimc, FIMC_COLOR_FORMAT_YUV420P, width,
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height, crop_left, crop_top, crop_width, crop_height, self->dst,
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self->dst_stride) < 0)
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goto fimc_dst_error;
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GST_DEBUG_OBJECT (self,
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"Got direct output buffer: %p [%d], %p [%d], %p [%d]", self->dst[0],
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self->dst_stride[0], self->dst[1], self->dst_stride[1], self->dst[2],
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self->dst_stride[2]);
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}
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state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
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if (!state || state->info.width != crop_width
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|| state->info.height != crop_height) {
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GST_DEBUG_OBJECT (self, "Creating new output state");
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if (!gst_video_decoder_negotiate (GST_VIDEO_DECODER (self)))
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goto negotiate_error;
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if (state)
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gst_video_codec_state_unref (state);
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state =
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gst_video_decoder_set_output_state (GST_VIDEO_DECODER (self),
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GST_VIDEO_FORMAT_I420, crop_width, crop_height, self->input_state);
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state = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (self));
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}
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if ((mfc_ret = mfc_dec_dequeue_output (self->context, &mfc_outbuf)) < 0) {
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@ -440,7 +497,7 @@ gst_mfc_dec_dequeue_output (GstMFCDec * self)
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{
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const guint8 *mfc_outbuf_comps[3] = { NULL, };
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gint i, h, w, src_stride, dst_stride;
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gint i, j, h, w, src_stride, dst_stride;
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guint8 *dst_, *src_;
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fimc = self->fimc;
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@ -454,40 +511,40 @@ gst_mfc_dec_dequeue_output (GstMFCDec * self)
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if (!gst_video_frame_map (&vframe, &state->info, outbuf, GST_MAP_WRITE))
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goto frame_map_error;
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dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, 0);
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src_ = self->dst[0];
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src_stride = self->dst_stride[0];
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h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, 0);
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w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, 0);
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dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, 0);
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for (i = 0; i < h; i++) {
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memcpy (dst_, src_, w);
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dst_ += dst_stride;
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src_ += src_stride;
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}
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dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, 1);
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src_ = self->dst[1];
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src_stride = self->dst_stride[1];
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h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, 1);
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w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, 1);
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dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, 1);
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for (i = 0; i < h; i++) {
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memcpy (dst_, src_, w);
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dst_ += dst_stride;
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src_ += src_stride;
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}
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dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, 2);
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src_ = self->dst[2];
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src_stride = self->dst_stride[2];
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h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, 2);
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w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, 2);
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dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, 2);
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for (i = 0; i < h; i++) {
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memcpy (dst_, src_, w);
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dst_ += dst_stride;
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src_ += src_stride;
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switch (state->info.finfo->format) {
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case GST_VIDEO_FORMAT_I420:
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for (j = 0; j < 3; j++) {
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dst_ = (guint8 *) GST_VIDEO_FRAME_COMP_DATA (&vframe, j);
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src_ = self->dst[j];
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src_stride = self->dst_stride[j];
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h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
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w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j);
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dst_stride = GST_VIDEO_FRAME_COMP_STRIDE (&vframe, j);
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for (i = 0; i < h; i++) {
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memcpy (dst_, src_, w);
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dst_ += dst_stride;
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src_ += src_stride;
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}
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}
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break;
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case GST_VIDEO_FORMAT_NV12:
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for (j = 0; j < 2; j++) {
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dst_ = (guint8 *) GST_VIDEO_FRAME_PLANE_DATA (&vframe, j);
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src_ = self->dst[j];
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src_stride = self->dst_stride[j];
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h = GST_VIDEO_FRAME_COMP_HEIGHT (&vframe, j);
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w = GST_VIDEO_FRAME_COMP_WIDTH (&vframe, j) * (j == 0 ? 1 : 2);
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dst_stride = GST_VIDEO_FRAME_PLANE_STRIDE (&vframe, j);
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for (i = 0; i < h; i++) {
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memcpy (dst_, src_, w);
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dst_ += dst_stride;
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src_ += src_stride;
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}
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}
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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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}
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gst_video_frame_unmap (&vframe);
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@ -533,19 +590,11 @@ initialize_error:
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goto done;
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}
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fimc_src_error:
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negotiate_error:
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{
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GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
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("Failed to set FIMC source parameters"), (NULL));
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ret = GST_FLOW_ERROR;
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goto done;
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}
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fimc_dst_error:
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{
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GST_ELEMENT_ERROR (self, LIBRARY, FAILED,
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("Failed to set FIMC destination parameters"), (NULL));
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ret = GST_FLOW_ERROR;
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GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, ("Failed to negotiate"),
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(NULL));
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ret = GST_FLOW_NOT_NEGOTIATED;
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goto done;
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}
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@ -53,7 +53,8 @@ struct _GstMFCDec
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GstVideoCodecState *input_state;
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struct mfc_dec_context* context;
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gboolean initialized;
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GstVideoFormat format;
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Fimc *fimc;
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gint width, height;
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gint crop_left, crop_top;
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