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https://github.com/pikvm/ustreamer.git
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91 lines
2.6 KiB
C
91 lines
2.6 KiB
C
/*****************************************************************************
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# #
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# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
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# #
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# Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#pragma once
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#include <xf86drmMode.h>
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#include "../libs/types.h"
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#include "../libs/frame.h"
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#include "../libs/frametext.h"
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typedef enum {
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US_DRM_EXPOSE_FRAME = 0,
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US_DRM_EXPOSE_NO_SIGNAL,
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US_DRM_EXPOSE_BUSY,
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} us_drm_expose_e;
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typedef enum {
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US_DRM_STATE_OK = 0,
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US_DRM_STATE_CLOSED,
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US_DRM_STATE_NO_DISPLAY,
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} us_drm_state_e;
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typedef struct {
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u32 id;
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u32 handle;
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u8 *data;
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uz allocated;
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bool dumb_created;
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bool fb_added;
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} us_drm_buffer_s;
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typedef struct {
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int status_fd;
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int fd;
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u32 crtc_id;
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u32 conn_id;
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drmModeModeInfo mode;
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us_drm_buffer_s *bufs;
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uint n_bufs;
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drmModeCrtc *saved_crtc;
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uint next_n_buf;
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bool has_vsync;
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us_frametext_s *ft;
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uint p_width;
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uint p_height;
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float p_hz;
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us_drm_state_e state;
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} us_drm_runtime_s;
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typedef struct {
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char *path;
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char *port;
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uint n_bufs;
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uint timeout;
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us_drm_runtime_s *run;
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} us_drm_s;
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us_drm_s *us_drm_init(void);
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void us_drm_destroy(us_drm_s *drm);
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int us_drm_wait_for_vsync(us_drm_s *drm);
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int us_drm_expose(us_drm_s *drm, us_drm_expose_e ex, const us_frame_s *frame, float hz);
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