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Add functions to clean simple_buffer.{data,buffer} in wlr_screencast.c

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This commit is contained in:
columbarius 2020-08-04 23:12:52 +02:00 committed by Simon Ser
parent f23e9e4921
commit c6253415c0
1 changed files with 25 additions and 17 deletions
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42
src/screencast/wlr_screencast.c
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@ -19,15 +19,23 @@
#include "xdpw.h" #include "xdpw.h"
#include "logger.h" #include "logger.h"
static void wlr_frame_buffer_clear(struct xdpw_screencast_instance *cast) {
if (cast->simple_frame.data != NULL) {
munmap(cast->simple_frame.data, cast->simple_frame.size);
cast->simple_frame.data = NULL;
}
if (cast->simple_frame.buffer != NULL) {
wl_buffer_destroy(cast->simple_frame.buffer);
cast->simple_frame.buffer = NULL;
}
}
void xdpw_wlr_frame_free(struct xdpw_screencast_instance *cast) { void xdpw_wlr_frame_free(struct xdpw_screencast_instance *cast) {
zwlr_screencopy_frame_v1_destroy(cast->wlr_frame); zwlr_screencopy_frame_v1_destroy(cast->wlr_frame);
cast->wlr_frame = NULL; cast->wlr_frame = NULL;
// TODO: reuse this buffer unless we quit or error out // TODO: reuse this buffer unless we quit or error out
if (cast->quit || cast->err) { if (cast->quit || cast->err) {
munmap(cast->simple_frame.data, cast->simple_frame.size); wlr_frame_buffer_clear(cast);
cast->simple_frame.data = NULL;
wl_buffer_destroy(cast->simple_frame.buffer);
cast->simple_frame.buffer = NULL;
logprint(TRACE, "xdpw: simple_frame buffer destroyed"); logprint(TRACE, "xdpw: simple_frame buffer destroyed");
} }
logprint(TRACE, "wlroots: frame destroyed"); logprint(TRACE, "wlroots: frame destroyed");
@ -100,6 +108,18 @@ static struct wl_buffer *create_shm_buffer(struct xdpw_screencast_instance *cast
return buffer; return buffer;
} }
static void wlr_frame_buffer_chparam(struct xdpw_screencast_instance *cast,
uint32_t format, uint32_t width, uint32_t height, uint32_t stride) {
logprint(DEBUG, "wlroots: reset buffer");
cast->simple_frame.width = width;
cast->simple_frame.height = height;
cast->simple_frame.stride = stride;
cast->simple_frame.size = stride * height;
cast->simple_frame.format = format;
wlr_frame_buffer_clear(cast);
}
static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame, static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame,
uint32_t format, uint32_t width, uint32_t height, uint32_t stride) { uint32_t format, uint32_t width, uint32_t height, uint32_t stride) {
struct xdpw_screencast_instance *cast = data; struct xdpw_screencast_instance *cast = data;
@ -108,19 +128,7 @@ static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame,
cast->wlr_frame = frame; cast->wlr_frame = frame;
if (cast->simple_frame.width != width || cast->simple_frame.height != height || cast->simple_frame.stride != stride || cast->simple_frame.format != format) { if (cast->simple_frame.width != width || cast->simple_frame.height != height || cast->simple_frame.stride != stride || cast->simple_frame.format != format) {
logprint(TRACE, "wlroots: buffer properties changed"); logprint(TRACE, "wlroots: buffer properties changed");
if (cast->simple_frame.data != NULL) { wlr_frame_buffer_chparam(cast, format, width, height, stride);
munmap(cast->simple_frame.data, cast->simple_frame.size);
cast->simple_frame.data = NULL;
}
if (cast->simple_frame.buffer != NULL) {
wl_buffer_destroy(cast->simple_frame.buffer);
cast->simple_frame.buffer = NULL;
}
cast->simple_frame.width = width;
cast->simple_frame.height = height;
cast->simple_frame.stride = stride;
cast->simple_frame.size = stride * height;
cast->simple_frame.format = format;
} }
if (cast->simple_frame.buffer == NULL && cast->simple_frame.data == NULL) { if (cast->simple_frame.buffer == NULL && cast->simple_frame.data == NULL) {