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https://github.com/hyprwm/xdg-desktop-portal-hyprland.git
synced 2024-11-22 14:35:57 +01:00
screencast: pipewire add functions to dequeue and enqueue a buffer
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parent
7c0f352560
commit
4b03a5acfd
3 changed files with 56 additions and 0 deletions
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@ -6,6 +6,8 @@
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#define XDPW_PWR_BUFFERS 1
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#define XDPW_PWR_ALIGN 16
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void xdpw_pwr_dequeue_buffer(struct xdpw_screencast_instance *cast);
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void xdpw_pwr_enqueue_buffer(struct xdpw_screencast_instance *cast);
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void pwr_update_stream_param(struct xdpw_screencast_instance *cast);
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void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast);
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void xdpw_pwr_stream_destroy(struct xdpw_screencast_instance *cast);
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@ -93,6 +93,7 @@ struct xdpw_screencast_instance {
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uint32_t node_id;
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bool pwr_stream_state;
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uint32_t framerate;
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struct pw_buffer *current_pw_buffer;
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// wlroots
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struct zwlr_screencopy_frame_v1 *frame_callback;
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@ -7,6 +7,7 @@
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#include <spa/param/video/format-utils.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <assert.h>
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#include "wlr_screencast.h"
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#include "xdpw.h"
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@ -231,6 +232,58 @@ static const struct pw_stream_events pwr_stream_events = {
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.remove_buffer = pwr_handle_stream_remove_buffer,
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};
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void xdpw_pwr_dequeue_buffer(struct xdpw_screencast_instance *cast) {
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logprint(TRACE, "pipewire: dequeueing buffer");
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assert(cast->current_pw_buffer == NULL);
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if ((cast->current_pw_buffer = pw_stream_dequeue_buffer(cast->stream)) == NULL) {
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logprint(WARN, "pipewire: out of buffers");
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return;
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}
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}
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void xdpw_pwr_enqueue_buffer(struct xdpw_screencast_instance *cast) {
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logprint(TRACE, "pipewire: exporting buffer");
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struct pw_buffer *pw_buf = cast->current_pw_buffer;
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if (!pw_buf) {
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logprint(TRACE, "pipewire: no pipewire buffer to queue");
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return;
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}
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struct spa_buffer *spa_buf = pw_buf->buffer;
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struct spa_data *d = spa_buf->datas;
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struct spa_meta_header *h;
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if ((h = spa_buffer_find_meta_data(spa_buf, SPA_META_Header, sizeof(*h)))) {
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h->pts = -1;
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h->flags = 0;
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h->seq = cast->seq++;
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h->dts_offset = 0;
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}
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if (d[0].data == NULL) {
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logprint(TRACE, "pipewire: data pointer undefined");
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goto queue;
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}
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writeFrameData(d[0].data, cast->simple_frame.data, cast->simple_frame.height,
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cast->simple_frame.stride, cast->simple_frame.y_invert);
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logprint(TRACE, "********************");
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logprint(TRACE, "pipewire: pointer %p", d[0].data);
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logprint(TRACE, "pipewire: size %d", d[0].maxsize);
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logprint(TRACE, "pipewire: stride %d", d[0].chunk->stride);
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logprint(TRACE, "pipewire: width %d", cast->simple_frame.width);
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logprint(TRACE, "pipewire: height %d", cast->simple_frame.height);
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logprint(TRACE, "pipewire: y_invert %d", cast->simple_frame.y_invert);
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logprint(TRACE, "********************");
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queue:
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pw_stream_queue_buffer(cast->stream, pw_buf);
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cast->current_pw_buffer = NULL;
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}
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void pwr_update_stream_param(struct xdpw_screencast_instance *cast) {
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logprint(TRACE, "pipewire: stream update parameters");
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struct pw_stream *stream = cast->stream;
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