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gst: support VideoCrop meta

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Convert the VideoCrop metadata to GStreamer metadata.
This commit is contained in:
Wim Taymans 2020-07-31 11:44:46 +02:00
parent 6fd373ac83
commit 5f40bc6d4e
4 changed files with 42 additions and 6 deletions
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23
src/gst/gstpipewiresink.c
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@ -47,6 +47,8 @@
#include <spa/pod/builder.h>
#include <spa/utils/result.h>
#include <gst/video/video.h>
#include "gstpipewireformat.h"
GST_DEBUG_CATEGORY_STATIC (pipewire_sink_debug);
@ -225,7 +227,7 @@ pool_activated (GstPipeWirePool *pool, GstPipeWireSink *sink)
guint size;
guint min_buffers;
guint max_buffers;
const struct spa_pod *port_params[2];
const struct spa_pod *port_params[3];
struct spa_pod_builder b = { NULL };
uint8_t buffer[1024];
struct spa_pod_frame f;
@ -246,8 +248,8 @@ pool_activated (GstPipeWirePool *pool, GstPipeWireSink *sink)
spa_pod_builder_add (&b,
SPA_PARAM_BUFFERS_stride, SPA_POD_CHOICE_RANGE_Int(0, 0, INT32_MAX),
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(min_buffers, min_buffers,
max_buffers ? max_buffers : INT32_MAX),
SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(SPA_MAX(4u, min_buffers),
SPA_MAX(2u, min_buffers), max_buffers ? max_buffers : INT32_MAX),
SPA_PARAM_BUFFERS_align, SPA_POD_Int(16),
0);
port_params[0] = spa_pod_builder_pop (&b, &f);
@ -257,9 +259,13 @@ pool_activated (GstPipeWirePool *pool, GstPipeWireSink *sink)
SPA_PARAM_META_type, SPA_POD_Int(SPA_META_Header),
SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_header)));
port_params[2] = spa_pod_builder_add_object (&b,
SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
SPA_PARAM_META_type, SPA_POD_Int(SPA_META_VideoCrop),
SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_region)));
pw_thread_loop_lock (sink->core->loop);
pw_stream_update_params (sink->stream, port_params, 2);
pw_stream_update_params (sink->stream, port_params, 3);
pw_thread_loop_unlock (sink->core->loop);
}
@ -423,6 +429,15 @@ do_send_buffer (GstPipeWireSink *pwsink, GstBuffer *buffer)
data->header->pts = GST_BUFFER_PTS (buffer);
data->header->dts_offset = GST_BUFFER_DTS (buffer);
}
if (data->crop) {
GstVideoCropMeta *meta = gst_buffer_get_video_crop_meta (buffer);
if (meta) {
data->crop->region.position.x = meta->x;
data->crop->region.position.y = meta->y;
data->crop->region.size.width = meta->width;
data->crop->region.size.height = meta->width;
}
}
for (i = 0; i < b->n_datas; i++) {
struct spa_data *d = &b->datas[i];
GstMemory *mem = gst_buffer_peek_memory (buffer, i);