return FALSE;
}
+static gboolean
+gst_v4l2_video_remove_padding (GstCapsFeatures * features,
+ GstStructure * structure, gpointer user_data)
+{
+ GstV4l2VideoDec *self = GST_V4L2_VIDEO_DEC (user_data);
+ GstVideoAlignment *align = &self->v4l2capture->align;
+ GstVideoInfo *info = &self->v4l2capture->info;
+ int width, height;
+
+ if (!gst_structure_get_int (structure, "width", &width))
+ return TRUE;
+
+ if (!gst_structure_get_int (structure, "height", &height))
+ return TRUE;
+
+ if (align->padding_left != 0 || align->padding_top != 0 ||
+ height != info->height + align->padding_bottom)
+ return TRUE;
+
+ if (height == info->height + align->padding_bottom) {
+ /* Some drivers may round up width to the padded with */
+ if (width == info->width + align->padding_right)
+ gst_structure_set (structure,
+ "width", G_TYPE_INT, width - align->padding_right,
+ "height", G_TYPE_INT, height - align->padding_bottom, NULL);
+ /* Some drivers may keep visible width and only round up bytesperline */
+ else if (width == info->width)
+ gst_structure_set (structure,
+ "height", G_TYPE_INT, height - align->padding_bottom, NULL);
+ }
+
+ return TRUE;
+}
+
+static GstFlowReturn
+gst_v4l2_video_dec_setup_capture (GstVideoDecoder * decoder)
+{
+ GstV4l2VideoDec *self = GST_V4L2_VIDEO_DEC (decoder);
+ GstV4l2Error error = GST_V4L2_ERROR_INIT;
+ GstVideoInfo info;
+ GstVideoCodecState *output_state;
+ GstCaps *acquired_caps, *available_caps, *caps, *filter;
+ GstStructure *st;
+
+ if (G_UNLIKELY (!GST_V4L2_IS_ACTIVE (self->v4l2capture))) {
+ /* init capture fps according to output */
+ self->v4l2capture->info.fps_d = self->v4l2output->info.fps_d;
+ self->v4l2capture->info.fps_n = self->v4l2output->info.fps_n;
+
+ /* For decoders G_FMT returns coded size, G_SELECTION returns visible size
+ * in the compose rectangle. gst_v4l2_object_acquire_format() checks both
+ * and returns the visible size as with/height and the coded size as
+ * padding. */
+ if (!gst_v4l2_object_acquire_format (self->v4l2capture, &info))
+ goto not_negotiated;
+
+ /* gst_v4l2_object_acquire_format() does not set fps, copy from sink */
+ info.fps_n = self->v4l2output->info.fps_n;
+ info.fps_d = self->v4l2output->info.fps_d;
+
+ gst_v4l2_object_clear_format_list (self->v4l2capture);
+ gst_caps_replace (&self->probed_srccaps, NULL);
+ self->probed_srccaps = gst_v4l2_object_probe_caps (self->v4l2capture,
+ gst_v4l2_object_get_raw_caps ());
+ /* Create caps from the acquired format, remove the format field */
+ acquired_caps = gst_video_info_to_caps (&info);
+ GST_DEBUG_OBJECT (self, "Acquired caps: %" GST_PTR_FORMAT, acquired_caps);
+ st = gst_caps_get_structure (acquired_caps, 0);
+ gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
+ NULL);
+
+ /* Probe currently available pixel formats */
+ available_caps = gst_caps_copy (self->probed_srccaps);
+ GST_DEBUG_OBJECT (self, "Available caps: %" GST_PTR_FORMAT, available_caps);
+
+ /* Replace coded size with visible size, we want to negotiate visible size
+ * with downstream, not coded size. */
+ gst_caps_map_in_place (available_caps, gst_v4l2_video_remove_padding, self);
+
+ filter = gst_caps_intersect_full (available_caps, acquired_caps,
+ GST_CAPS_INTERSECT_FIRST);
+ GST_DEBUG_OBJECT (self, "Filtered caps: %" GST_PTR_FORMAT, filter);
+ gst_caps_unref (acquired_caps);
+ gst_caps_unref (available_caps);
+ caps = gst_pad_peer_query_caps (decoder->srcpad, filter);
+ gst_caps_unref (filter);
+
+ GST_DEBUG_OBJECT (self, "Possible decoded caps: %" GST_PTR_FORMAT, caps);
+ if (gst_caps_is_empty (caps)) {
+ gst_caps_unref (caps);
+ goto not_negotiated;
+ }
+
+ /* Fixate pixel format */
+ caps = gst_caps_fixate (caps);
+
+ GST_DEBUG_OBJECT (self, "Chosen decoded caps: %" GST_PTR_FORMAT, caps);
+
+ /* Try to set negotiated format, on success replace acquired format */
+ if (gst_v4l2_object_set_format (self->v4l2capture, caps, &error))
+ gst_video_info_from_caps (&info, caps);
+ else
+ gst_v4l2_clear_error (&error);
+ gst_caps_unref (caps);
+
+ output_state = gst_video_decoder_set_output_state (decoder,
+ info.finfo->format, info.width, info.height, self->input_state);
+
+ /* Copy the rest of the information, there might be more in the future */
+ output_state->info.interlace_mode = info.interlace_mode;
+ gst_video_codec_state_unref (output_state);
+
+ if (!gst_video_decoder_negotiate (decoder)) {
+ if (GST_PAD_IS_FLUSHING (decoder->srcpad))
+ goto flushing;
+ else
+ goto not_negotiated;
+ }
+
+ /* Ensure our internal pool is activated */
+ if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
+ TRUE))
+ goto activate_failed;
+ }
+
+ return GST_FLOW_OK;
+
+not_negotiated:
+ GST_ERROR_OBJECT (self, "not negotiated");
+ gst_v4l2_error (self, &error);
+ return GST_FLOW_NOT_NEGOTIATED;
+activate_failed:
+ GST_ELEMENT_ERROR (self, RESOURCE, SETTINGS,
+ (_("Failed to allocate required memory.")),
+ ("Buffer pool activation failed"));
+ return GST_FLOW_ERROR;
+flushing:
+ return GST_FLOW_FLUSHING;
+}
+
static void
gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
{
gst_pad_pause_task (decoder->srcpad);
}
-static gboolean
-gst_v4l2_video_remove_padding (GstCapsFeatures * features,
- GstStructure * structure, gpointer user_data)
-{
- GstV4l2VideoDec *self = GST_V4L2_VIDEO_DEC (user_data);
- GstVideoAlignment *align = &self->v4l2capture->align;
- GstVideoInfo *info = &self->v4l2capture->info;
- int width, height;
-
- if (!gst_structure_get_int (structure, "width", &width))
- return TRUE;
-
- if (!gst_structure_get_int (structure, "height", &height))
- return TRUE;
-
- if (align->padding_left != 0 || align->padding_top != 0 ||
- height != info->height + align->padding_bottom)
- return TRUE;
-
- if (height == info->height + align->padding_bottom) {
- /* Some drivers may round up width to the padded with */
- if (width == info->width + align->padding_right)
- gst_structure_set (structure,
- "width", G_TYPE_INT, width - align->padding_right,
- "height", G_TYPE_INT, height - align->padding_bottom, NULL);
- /* Some drivers may keep visible width and only round up bytesperline */
- else if (width == info->width)
- gst_structure_set (structure,
- "height", G_TYPE_INT, height - align->padding_bottom, NULL);
- }
-
- return TRUE;
-}
-
static GstFlowReturn
gst_v4l2_video_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame)
{
GstV4l2Error error = GST_V4L2_ERROR_INIT;
GstV4l2VideoDec *self = GST_V4L2_VIDEO_DEC (decoder);
+ GstBufferPool *pool = GST_BUFFER_POOL (self->v4l2output->pool);
GstFlowReturn ret = GST_FLOW_OK;
gboolean processed = FALSE;
GstBuffer *tmp;
goto not_negotiated;
}
- if (G_UNLIKELY (!GST_V4L2_IS_ACTIVE (self->v4l2capture))) {
- GstBufferPool *pool = GST_BUFFER_POOL (self->v4l2output->pool);
- GstVideoInfo info;
- GstVideoCodecState *output_state;
+ ret = gst_v4l2_video_dec_setup_capture (decoder);
+ if (ret != GST_FLOW_OK) {
+ GST_ERROR_OBJECT (decoder, "setup capture fail\n");
+ goto not_negotiated;
+ }
+
+ if (G_UNLIKELY (!gst_buffer_pool_is_active (pool))) {
GstBuffer *codec_data;
- GstCaps *acquired_caps, *available_caps, *caps, *filter;
- GstStructure *st;
+ GstStructure *config = gst_buffer_pool_get_config (pool);
+ guint min = MAX (self->v4l2output->min_buffers,
+ GST_V4L2_MIN_BUFFERS (self->v4l2output));
+ guint max = VIDEO_MAX_FRAME;
guint32 dummy_frame_number = 0;
GST_DEBUG_OBJECT (self, "Sending header");
-
codec_data = self->input_state->codec_data;
/* We are running in byte-stream mode, so we don't know the headers, but
}
/* Ensure input internal pool is active */
- if (!gst_buffer_pool_is_active (pool)) {
- GstStructure *config = gst_buffer_pool_get_config (pool);
- guint min = MAX (self->v4l2output->min_buffers,
- GST_V4L2_MIN_BUFFERS (self->v4l2output));
- guint max = VIDEO_MAX_FRAME;
- gst_buffer_pool_config_set_params (config, self->input_state->caps,
- self->v4l2output->info.size, min, max);
+ gst_buffer_pool_config_set_params (config, self->input_state->caps,
+ self->v4l2output->info.size, min, max);
- /* There is no reason to refuse this config */
- if (!gst_buffer_pool_set_config (pool, config))
- goto activate_failed;
+ /* There is no reason to refuse this config */
+ if (!gst_buffer_pool_set_config (pool, config))
+ goto activate_failed;
- if (!gst_buffer_pool_set_active (pool, TRUE))
- goto activate_failed;
- }
+ if (!gst_buffer_pool_set_active (pool, TRUE))
+ goto activate_failed;
GST_VIDEO_DECODER_STREAM_UNLOCK (decoder);
GST_LOG_OBJECT (decoder, "Passing buffer with system frame number %u",
GST_VIDEO_DECODER_STREAM_LOCK (decoder);
gst_buffer_unref (codec_data);
-
- /* init capture fps according to output */
- self->v4l2capture->info.fps_d = self->v4l2output->info.fps_d;
- self->v4l2capture->info.fps_n = self->v4l2output->info.fps_n;
-
- /* For decoders G_FMT returns coded size, G_SELECTION returns visible size
- * in the compose rectangle. gst_v4l2_object_acquire_format() checks both
- * and returns the visible size as with/height and the coded size as
- * padding. */
- if (!gst_v4l2_object_acquire_format (self->v4l2capture, &info))
- goto not_negotiated;
-
- /* gst_v4l2_object_acquire_format() does not set fps, copy from sink */
- info.fps_n = self->v4l2output->info.fps_n;
- info.fps_d = self->v4l2output->info.fps_d;
-
- /* Create caps from the acquired format, remove the format field */
- acquired_caps = gst_video_info_to_caps (&info);
- GST_DEBUG_OBJECT (self, "Acquired caps: %" GST_PTR_FORMAT, acquired_caps);
- st = gst_caps_get_structure (acquired_caps, 0);
- gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
- NULL);
-
- /* Probe currently available pixel formats */
- available_caps = gst_caps_copy (self->probed_srccaps);
- GST_DEBUG_OBJECT (self, "Available caps: %" GST_PTR_FORMAT, available_caps);
-
- /* Replace coded size with visible size, we want to negotiate visible size
- * with downstream, not coded size. */
- gst_caps_map_in_place (available_caps, gst_v4l2_video_remove_padding, self);
-
- filter = gst_caps_intersect_full (available_caps, acquired_caps,
- GST_CAPS_INTERSECT_FIRST);
- GST_DEBUG_OBJECT (self, "Filtered caps: %" GST_PTR_FORMAT, filter);
- gst_caps_unref (acquired_caps);
- gst_caps_unref (available_caps);
- caps = gst_pad_peer_query_caps (decoder->srcpad, filter);
- gst_caps_unref (filter);
-
- GST_DEBUG_OBJECT (self, "Possible decoded caps: %" GST_PTR_FORMAT, caps);
- if (gst_caps_is_empty (caps)) {
- gst_caps_unref (caps);
- goto not_negotiated;
- }
-
- /* Fixate pixel format */
- caps = gst_caps_fixate (caps);
-
- GST_DEBUG_OBJECT (self, "Chosen decoded caps: %" GST_PTR_FORMAT, caps);
-
- /* Try to set negotiated format, on success replace acquired format */
- if (gst_v4l2_object_set_format (self->v4l2capture, caps, &error))
- gst_video_info_from_caps (&info, caps);
- else
- gst_v4l2_clear_error (&error);
- gst_caps_unref (caps);
-
- output_state = gst_video_decoder_set_output_state (decoder,
- info.finfo->format, info.width, info.height, self->input_state);
-
- /* Copy the rest of the information, there might be more in the future */
- output_state->info.interlace_mode = info.interlace_mode;
- gst_video_codec_state_unref (output_state);
-
- if (!gst_video_decoder_negotiate (decoder)) {
- if (GST_PAD_IS_FLUSHING (decoder->srcpad))
- goto flushing;
- else
- goto not_negotiated;
- }
-
- /* Ensure our internal pool is activated */
- if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
- TRUE))
- goto activate_failed;
}
task_state = gst_pad_get_task_state (GST_VIDEO_DECODER_SRC_PAD (self));
projects / platform / upstream / gstreamer.git / commitdiff