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screencast: use drm format instead of wl_shm 

drm format defined by drm_fourcc.h is the standard to describe the
format of a buffer. This will be used when dealing with dmabufs and to
simplify things we should drm_formats for all internal structs.
This commit is contained in:
columbarius 2021-06-17 23:18:24 +02:00
parent ce9d77c90c
commit 3a57c24437
4 changed files with 88 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
include/screencast_common.h
View File

@ -63,7 +63,7 @@ struct xdpw_screencopy_frame_info {
uint32_t height;
uint32_t size;
uint32_t stride;
enum wl_shm_format format;
uint32_t format;
};
struct xdpw_buffer {
@ -71,7 +71,7 @@ struct xdpw_buffer {
uint32_t width;
uint32_t height;
enum wl_shm_format format;
uint32_t format;
int fd;
uint32_t size;
@ -154,7 +154,9 @@ void randname(char *buf);
struct xdpw_buffer *xdpw_buffer_create(struct xdpw_screencast_instance *cast,
struct xdpw_screencopy_frame_info *frame_info);
void xdpw_buffer_destroy(struct xdpw_buffer *buffer);
enum spa_video_format xdpw_format_pw_from_wl_shm(enum wl_shm_format format);
enum wl_shm_format xdpw_format_wl_shm_from_drm_fourcc(uint32_t format);
uint32_t xdpw_format_drm_fourcc_from_wl_shm(enum wl_shm_format format);
enum spa_video_format xdpw_format_pw_from_drm_fourcc(uint32_t format);
enum spa_video_format xdpw_format_pw_strip_alpha(enum spa_video_format format);
enum xdpw_chooser_types get_chooser_type(const char *chooser_type);

4
src/screencast/pipewire_screencast.c
View File

@ -268,7 +268,7 @@ void pwr_update_stream_param(struct xdpw_screencast_instance *cast) {
SPA_POD_BUILDER_INIT(params_buffer, sizeof(params_buffer));
const struct spa_pod *params[1];
enum spa_video_format format = xdpw_format_pw_from_wl_shm(cast->screencopy_frame_info.format);
enum spa_video_format format = xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info.format);
params[0] = build_format(&b, format,
cast->screencopy_frame_info.width, cast->screencopy_frame_info.height, cast->framerate);
@ -298,7 +298,7 @@ void xdpw_pwr_stream_create(struct xdpw_screencast_instance *cast) {
}
cast->pwr_stream_state = false;
enum spa_video_format format = xdpw_format_pw_from_wl_shm(cast->screencopy_frame_info.format);
enum spa_video_format format = xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info.format);
const struct spa_pod *param = build_format(&b, format,
cast->screencopy_frame_info.width, cast->screencopy_frame_info.height, cast->framerate);

97
src/screencast/screencast_common.c
View File

@ -5,6 +5,7 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <libdrm/drm_fourcc.h>
#include "logger.h"
@ -78,7 +79,7 @@ struct xdpw_buffer *xdpw_buffer_create(struct xdpw_screencast_instance *cast,
return NULL;
}
buffer->buffer = import_wl_shm_buffer(cast, buffer->fd, frame_info->format,
buffer->buffer = import_wl_shm_buffer(cast, buffer->fd, xdpw_format_wl_shm_from_drm_fourcc(frame_info->format),
frame_info->width, frame_info->height, frame_info->stride);
if (buffer->buffer == NULL) {
logprint(ERROR, "xdpw: unable to create wl_buffer");
@ -97,44 +98,102 @@ void xdpw_buffer_destroy(struct xdpw_buffer *buffer) {
free(buffer);
}
enum spa_video_format xdpw_format_pw_from_wl_shm(enum wl_shm_format format) {
enum wl_shm_format xdpw_format_wl_shm_from_drm_fourcc(uint32_t format) {
switch (format) {
case DRM_FORMAT_ARGB8888:
return WL_SHM_FORMAT_ARGB8888;
case DRM_FORMAT_XRGB8888:
return WL_SHM_FORMAT_XRGB8888;
case DRM_FORMAT_RGBA8888:
case DRM_FORMAT_RGBX8888:
case DRM_FORMAT_ABGR8888:
case DRM_FORMAT_XBGR8888:
case DRM_FORMAT_BGRA8888:
case DRM_FORMAT_BGRX8888:
case DRM_FORMAT_NV12:
case DRM_FORMAT_XRGB2101010:
case DRM_FORMAT_XBGR2101010:
case DRM_FORMAT_RGBX1010102:
case DRM_FORMAT_BGRX1010102:
case DRM_FORMAT_ARGB2101010:
case DRM_FORMAT_ABGR2101010:
case DRM_FORMAT_RGBA1010102:
case DRM_FORMAT_BGRA1010102:
return (enum wl_shm_format)format;
default:
logprint(ERROR, "xdg-desktop-portal-wlr: unsupported drm "
"format 0x%08x", format);
abort();
}
}
uint32_t xdpw_format_drm_fourcc_from_wl_shm(enum wl_shm_format format) {
switch (format) {
case WL_SHM_FORMAT_ARGB8888:
return SPA_VIDEO_FORMAT_BGRA;
return DRM_FORMAT_ARGB8888;
case WL_SHM_FORMAT_XRGB8888:
return SPA_VIDEO_FORMAT_BGRx;
return DRM_FORMAT_XRGB8888;
case WL_SHM_FORMAT_RGBA8888:
return SPA_VIDEO_FORMAT_ABGR;
case WL_SHM_FORMAT_RGBX8888:
return SPA_VIDEO_FORMAT_xBGR;
case WL_SHM_FORMAT_ABGR8888:
return SPA_VIDEO_FORMAT_RGBA;
case WL_SHM_FORMAT_XBGR8888:
return SPA_VIDEO_FORMAT_RGBx;
case WL_SHM_FORMAT_BGRA8888:
return SPA_VIDEO_FORMAT_ARGB;
case WL_SHM_FORMAT_BGRX8888:
return SPA_VIDEO_FORMAT_xRGB;
case WL_SHM_FORMAT_NV12:
return SPA_VIDEO_FORMAT_NV12;
case WL_SHM_FORMAT_XRGB2101010:
return SPA_VIDEO_FORMAT_xRGB_210LE;
case WL_SHM_FORMAT_XBGR2101010:
return SPA_VIDEO_FORMAT_xBGR_210LE;
case WL_SHM_FORMAT_RGBX1010102:
return SPA_VIDEO_FORMAT_RGBx_102LE;
case WL_SHM_FORMAT_BGRX1010102:
return SPA_VIDEO_FORMAT_BGRx_102LE;
case WL_SHM_FORMAT_ARGB2101010:
return SPA_VIDEO_FORMAT_ARGB_210LE;
case WL_SHM_FORMAT_ABGR2101010:
return SPA_VIDEO_FORMAT_ABGR_210LE;
case WL_SHM_FORMAT_RGBA1010102:
return SPA_VIDEO_FORMAT_RGBA_102LE;
case WL_SHM_FORMAT_BGRA1010102:
return (uint32_t)format;
default:
logprint(ERROR, "xdg-desktop-portal-wlr: unsupported wl_shm "
"format 0x%08x", format);
abort();
}
}
enum spa_video_format xdpw_format_pw_from_drm_fourcc(uint32_t format) {
switch (format) {
case DRM_FORMAT_ARGB8888:
return SPA_VIDEO_FORMAT_BGRA;
case DRM_FORMAT_XRGB8888:
return SPA_VIDEO_FORMAT_BGRx;
case DRM_FORMAT_RGBA8888:
return SPA_VIDEO_FORMAT_ABGR;
case DRM_FORMAT_RGBX8888:
return SPA_VIDEO_FORMAT_xBGR;
case DRM_FORMAT_ABGR8888:
return SPA_VIDEO_FORMAT_RGBA;
case DRM_FORMAT_XBGR8888:
return SPA_VIDEO_FORMAT_RGBx;
case DRM_FORMAT_BGRA8888:
return SPA_VIDEO_FORMAT_ARGB;
case DRM_FORMAT_BGRX8888:
return SPA_VIDEO_FORMAT_xRGB;
case DRM_FORMAT_NV12:
return SPA_VIDEO_FORMAT_NV12;
case DRM_FORMAT_XRGB2101010:
return SPA_VIDEO_FORMAT_xRGB_210LE;
case DRM_FORMAT_XBGR2101010:
return SPA_VIDEO_FORMAT_xBGR_210LE;
case DRM_FORMAT_RGBX1010102:
return SPA_VIDEO_FORMAT_RGBx_102LE;
case DRM_FORMAT_BGRX1010102:
return SPA_VIDEO_FORMAT_BGRx_102LE;
case DRM_FORMAT_ARGB2101010:
return SPA_VIDEO_FORMAT_ARGB_210LE;
case DRM_FORMAT_ABGR2101010:
return SPA_VIDEO_FORMAT_ABGR_210LE;
case DRM_FORMAT_RGBA1010102:
return SPA_VIDEO_FORMAT_RGBA_102LE;
case DRM_FORMAT_BGRA1010102:
return SPA_VIDEO_FORMAT_BGRA_102LE;
default:
logprint(ERROR, "xdg-desktop-portal-wlr: failed to convert wl_shm "
logprint(ERROR, "xdg-desktop-portal-wlr: failed to convert drm "
"format 0x%08x to spa_video_format", format);
abort();
}

6
src/screencast/wlr_screencast.c
View File

@ -91,7 +91,7 @@ static void wlr_frame_buffer(void *data, struct zwlr_screencopy_frame_v1 *frame,
cast->screencopy_frame_info.height = height;
cast->screencopy_frame_info.stride = stride;
cast->screencopy_frame_info.size = stride * height;
cast->screencopy_frame_info.format = format;
cast->screencopy_frame_info.format = xdpw_format_drm_fourcc_from_wl_shm(format);
if (zwlr_screencopy_manager_v1_get_version(cast->ctx->screencopy_manager) < 3) {
wlr_frame_buffer_done(cast, frame);
@ -116,8 +116,8 @@ static void wlr_frame_buffer_done(void *data,
}
// Check if announced screencopy information is compatible with pipewire meta
if ((cast->pwr_format.format != xdpw_format_pw_from_wl_shm(cast->screencopy_frame_info.format) &&
cast->pwr_format.format != xdpw_format_pw_strip_alpha(xdpw_format_pw_from_wl_shm(cast->screencopy_frame_info.format))) ||
if ((cast->pwr_format.format != xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info.format) &&
cast->pwr_format.format != xdpw_format_pw_strip_alpha(xdpw_format_pw_from_drm_fourcc(cast->screencopy_frame_info.format))) ||
cast->pwr_format.size.width != cast->screencopy_frame_info.width ||
cast->pwr_format.size.height != cast->screencopy_frame_info.height) {
logprint(DEBUG, "wlroots: pipewire and wlroots metadata are incompatible. Renegotiate stream");