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-rw-r--r--examples/dmabuf-capture.c909
-rw-r--r--examples/relative-pointer-unstable-v1.c489
2 files changed, 0 insertions, 1398 deletions
diff --git a/examples/dmabuf-capture.c b/examples/dmabuf-capture.c
deleted file mode 100644
index 5a7debd2..00000000
--- a/examples/dmabuf-capture.c
+++ /dev/null
@@ -1,909 +0,0 @@
-#define _POSIX_C_SOURCE 199309L
-#include <libavcodec/avcodec.h>
-#include <libavformat/avformat.h>
-#include <libavutil/display.h>
-#include <libavutil/hwcontext_drm.h>
-#include <libavutil/pixdesc.h>
-#include <poll.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <pthread.h>
-#include <stdbool.h>
-#include <drm_fourcc.h>
-#include "wlr-export-dmabuf-unstable-v1-client-protocol.h"
-
-struct wayland_output {
- struct wl_list link;
- uint32_t id;
- struct wl_output *output;
- char *make;
- char *model;
- int width;
- int height;
- AVRational framerate;
-};
-
-struct fifo_buffer {
- AVFrame **queued_frames;
- int num_queued_frames;
- int max_queued_frames;
- pthread_mutex_t lock;
- pthread_cond_t cond;
- pthread_mutex_t cond_lock;
-};
-
-struct capture_context {
- AVClass *class; /* For pretty logging */
- struct wl_display *display;
- struct wl_registry *registry;
- struct zwlr_export_dmabuf_manager_v1 *export_manager;
-
- struct wl_list output_list;
-
- /* Target */
- struct wl_output *target_output;
- bool with_cursor;
-
- /* Main frame callback */
- struct zwlr_export_dmabuf_frame_v1 *frame_callback;
-
- /* If something happens during capture */
- int err;
- bool quit;
-
- /* FFmpeg specific parts */
- pthread_t vid_thread;
- AVFrame *current_frame;
- AVFormatContext *avf;
- AVCodecContext *avctx;
- AVBufferRef *drm_device_ref;
- AVBufferRef *drm_frames_ref;
- AVBufferRef *mapped_device_ref;
- AVBufferRef *mapped_frames_ref;
-
- /* Sync stuff */
- struct fifo_buffer vid_frames;
-
- int64_t start_pts;
-
- /* Config */
- enum AVPixelFormat software_format;
- enum AVHWDeviceType hw_device_type;
- AVDictionary *encoder_opts;
- int is_software_encoder;
- char *hardware_device;
- char *out_filename;
- char *encoder_name;
- float out_bitrate;
-};
-
-static int init_fifo(struct fifo_buffer *buf, int max_queued_frames) {
- pthread_mutex_init(&buf->lock, NULL);
- pthread_cond_init(&buf->cond, NULL);
- pthread_mutex_init(&buf->cond_lock, NULL);
- buf->num_queued_frames = 0;
- buf->max_queued_frames = max_queued_frames;
- buf->queued_frames = av_mallocz(buf->max_queued_frames * sizeof(AVFrame));
- return !buf->queued_frames ? AVERROR(ENOMEM) : 0;
-}
-
-static int get_fifo_size(struct fifo_buffer *buf) {
- pthread_mutex_lock(&buf->lock);
- int ret = buf->num_queued_frames;
- pthread_mutex_unlock(&buf->lock);
- return ret;
-}
-
-static int push_to_fifo(struct fifo_buffer *buf, AVFrame *f) {
- int ret;
- pthread_mutex_lock(&buf->lock);
- if ((buf->num_queued_frames + 1) > buf->max_queued_frames) {
- av_frame_free(&f);
- ret = 1;
- } else {
- buf->queued_frames[buf->num_queued_frames++] = f;
- ret = 0;
- }
- pthread_mutex_unlock(&buf->lock);
- pthread_cond_signal(&buf->cond);
- return ret;
-}
-
-static AVFrame *pop_from_fifo(struct fifo_buffer *buf) {
- pthread_mutex_lock(&buf->lock);
-
- if (!buf->num_queued_frames) {
- pthread_mutex_unlock(&buf->lock);
- pthread_cond_wait(&buf->cond, &buf->cond_lock);
- pthread_mutex_lock(&buf->lock);
- }
-
- AVFrame *rf = buf->queued_frames[0];
- for (int i = 1; i < buf->num_queued_frames; i++) {
- buf->queued_frames[i - 1] = buf->queued_frames[i];
- }
- buf->num_queued_frames--;
- buf->queued_frames[buf->num_queued_frames] = NULL;
-
- pthread_mutex_unlock(&buf->lock);
- return rf;
-}
-
-static void free_fifo(struct fifo_buffer *buf) {
- pthread_mutex_lock(&buf->lock);
- if (buf->num_queued_frames) {
- for (int i = 0; i < buf->num_queued_frames; i++) {
- av_frame_free(&buf->queued_frames[i]);
- }
- }
- av_freep(&buf->queued_frames);
- pthread_mutex_unlock(&buf->lock);
-}
-
-static void output_handle_geometry(void *data, struct wl_output *wl_output,
- int32_t x, int32_t y, int32_t phys_width, int32_t phys_height,
- int32_t subpixel, const char *make, const char *model,
- int32_t transform) {
- struct wayland_output *output = data;
- output->make = av_strdup(make);
- output->model = av_strdup(model);
-}
-
-static void output_handle_mode(void *data, struct wl_output *wl_output,
- uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
- if (flags & WL_OUTPUT_MODE_CURRENT) {
- struct wayland_output *output = data;
- output->width = width;
- output->height = height;
- output->framerate = (AVRational){ refresh, 1000 };
- }
-}
-
-static void output_handle_done(void* data, struct wl_output *wl_output) {
- /* Nothing to do */
-}
-
-static void output_handle_scale(void* data, struct wl_output *wl_output,
- int32_t factor) {
- /* Nothing to do */
-}
-
-static const struct wl_output_listener output_listener = {
- .geometry = output_handle_geometry,
- .mode = output_handle_mode,
- .done = output_handle_done,
- .scale = output_handle_scale,
-};
-
-static void registry_handle_add(void *data, struct wl_registry *reg,
- uint32_t id, const char *interface, uint32_t ver) {
- struct capture_context *ctx = data;
-
- if (!strcmp(interface, wl_output_interface.name)) {
- struct wayland_output *output = av_mallocz(sizeof(*output));
-
- output->id = id;
- output->output = wl_registry_bind(reg, id, &wl_output_interface, 1);
-
- wl_output_add_listener(output->output, &output_listener, output);
- wl_list_insert(&ctx->output_list, &output->link);
- }
-
- if (!strcmp(interface, zwlr_export_dmabuf_manager_v1_interface.name)) {
- ctx->export_manager = wl_registry_bind(reg, id,
- &zwlr_export_dmabuf_manager_v1_interface, 1);
- }
-}
-
-static void remove_output(struct wayland_output *out) {
- wl_list_remove(&out->link);
- av_free(out->make);
- av_free(out->model);
- av_free(out);
-}
-
-static struct wayland_output *find_output(struct capture_context *ctx,
- struct wl_output *out, int id) {
- struct wayland_output *output, *tmp;
- wl_list_for_each_safe(output, tmp, &ctx->output_list, link) {
- if (output->output == out || (id >= 0 && output->id == (uint32_t)id)
- || id == -1) {
- return output;
- }
- }
- return NULL;
-}
-
-static void registry_handle_remove(void *data, struct wl_registry *reg,
- uint32_t id) {
- remove_output(find_output((struct capture_context *)data, NULL, id));
-}
-
-static const struct wl_registry_listener registry_listener = {
- .global = registry_handle_add,
- .global_remove = registry_handle_remove,
-};
-
-static void frame_free(void *opaque, uint8_t *data) {
- AVDRMFrameDescriptor *desc = (AVDRMFrameDescriptor *)data;
-
- if (desc) {
- for (int i = 0; i < desc->nb_objects; ++i) {
- close(desc->objects[i].fd);
- }
- av_free(data);
- }
-
- zwlr_export_dmabuf_frame_v1_destroy(opaque);
-}
-
-static void frame_start(void *data, struct zwlr_export_dmabuf_frame_v1 *frame,
- uint32_t width, uint32_t height, uint32_t offset_x, uint32_t offset_y,
- uint32_t buffer_flags, uint32_t flags, uint32_t format,
- uint32_t mod_high, uint32_t mod_low, uint32_t num_objects) {
- struct capture_context *ctx = data;
- int err = 0;
-
- /* Allocate DRM specific struct */
- AVDRMFrameDescriptor *desc = av_mallocz(sizeof(*desc));
- if (!desc) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- desc->nb_objects = num_objects;
- desc->objects[0].format_modifier = ((uint64_t)mod_high << 32) | mod_low;
-
- desc->nb_layers = 1;
- desc->layers[0].format = format;
-
- /* Allocate a frame */
- AVFrame *f = av_frame_alloc();
- if (!f) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- /* Set base frame properties */
- ctx->current_frame = f;
- f->width = width;
- f->height = height;
- f->format = AV_PIX_FMT_DRM_PRIME;
-
- /* Set the frame data to the DRM specific struct */
- f->buf[0] = av_buffer_create((uint8_t*)desc, sizeof(*desc),
- &frame_free, frame, 0);
- if (!f->buf[0]) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- f->data[0] = (uint8_t*)desc;
-
- return;
-
-fail:
- ctx->err = err;
- frame_free(frame, (uint8_t *)desc);
-}
-
-static void frame_object(void *data, struct zwlr_export_dmabuf_frame_v1 *frame,
- uint32_t index, int32_t fd, uint32_t size, uint32_t offset,
- uint32_t stride, uint32_t plane_index) {
- struct capture_context *ctx = data;
- AVFrame *f = ctx->current_frame;
- AVDRMFrameDescriptor *desc = (AVDRMFrameDescriptor *)f->data[0];
-
- desc->objects[index].fd = fd;
- desc->objects[index].size = size;
-
- desc->layers[0].planes[plane_index].object_index = index;
- desc->layers[0].planes[plane_index].offset = offset;
- desc->layers[0].planes[plane_index].pitch = stride;
-}
-
-static enum AVPixelFormat drm_fmt_to_pixfmt(uint32_t fmt) {
- switch (fmt) {
- case DRM_FORMAT_NV12: return AV_PIX_FMT_NV12;
- case DRM_FORMAT_ARGB8888: return AV_PIX_FMT_BGRA;
- case DRM_FORMAT_XRGB8888: return AV_PIX_FMT_BGR0;
- case DRM_FORMAT_ABGR8888: return AV_PIX_FMT_RGBA;
- case DRM_FORMAT_XBGR8888: return AV_PIX_FMT_RGB0;
- case DRM_FORMAT_RGBA8888: return AV_PIX_FMT_ABGR;
- case DRM_FORMAT_RGBX8888: return AV_PIX_FMT_0BGR;
- case DRM_FORMAT_BGRA8888: return AV_PIX_FMT_ARGB;
- case DRM_FORMAT_BGRX8888: return AV_PIX_FMT_0RGB;
- default: return AV_PIX_FMT_NONE;
- };
-}
-
-static int attach_drm_frames_ref(struct capture_context *ctx, AVFrame *f,
- enum AVPixelFormat sw_format) {
- int err = 0;
- AVHWFramesContext *hwfc;
-
- if (ctx->drm_frames_ref) {
- hwfc = (AVHWFramesContext*)ctx->drm_frames_ref->data;
- if (hwfc->width == f->width && hwfc->height == f->height &&
- hwfc->sw_format == sw_format) {
- goto attach;
- }
- av_buffer_unref(&ctx->drm_frames_ref);
- }
-
- ctx->drm_frames_ref = av_hwframe_ctx_alloc(ctx->drm_device_ref);
- if (!ctx->drm_frames_ref) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- hwfc = (AVHWFramesContext*)ctx->drm_frames_ref->data;
-
- hwfc->format = f->format;
- hwfc->sw_format = sw_format;
- hwfc->width = f->width;
- hwfc->height = f->height;
-
- err = av_hwframe_ctx_init(ctx->drm_frames_ref);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "AVHWFramesContext init failed: %s!\n",
- av_err2str(err));
- goto fail;
- }
-
-attach:
- /* Set frame hardware context referencce */
- f->hw_frames_ctx = av_buffer_ref(ctx->drm_frames_ref);
- if (!f->hw_frames_ctx) {
- err = AVERROR(ENOMEM);
- goto fail;
- }
-
- return 0;
-
-fail:
- av_buffer_unref(&ctx->drm_frames_ref);
- return err;
-}
-
-static void register_cb(struct capture_context *ctx);
-
-static void frame_ready(void *data, struct zwlr_export_dmabuf_frame_v1 *frame,
- uint32_t tv_sec_hi, uint32_t tv_sec_lo, uint32_t tv_nsec) {
- struct capture_context *ctx = data;
- AVFrame *f = ctx->current_frame;
- AVDRMFrameDescriptor *desc = (AVDRMFrameDescriptor *)f->data[0];
- enum AVPixelFormat pix_fmt = drm_fmt_to_pixfmt(desc->layers[0].format);
- int err = 0;
-
- /* Timestamp, nanoseconds timebase */
- f->pts = ((((uint64_t)tv_sec_hi) << 32) | tv_sec_lo) * 1000000000 + tv_nsec;
-
- if (!ctx->start_pts) {
- ctx->start_pts = f->pts;
- }
-
- f->pts = av_rescale_q(f->pts - ctx->start_pts, (AVRational){ 1, 1000000000 },
- ctx->avctx->time_base);
-
- /* Attach the hardware frame context to the frame */
- err = attach_drm_frames_ref(ctx, f, pix_fmt);
- if (err) {
- goto end;
- }
-
- /* TODO: support multiplane stuff */
- desc->layers[0].nb_planes = av_pix_fmt_count_planes(pix_fmt);
-
- AVFrame *mapped_frame = av_frame_alloc();
- if (!mapped_frame) {
- err = AVERROR(ENOMEM);
- goto end;
- }
-
- AVHWFramesContext *mapped_hwfc;
- mapped_hwfc = (AVHWFramesContext *)ctx->mapped_frames_ref->data;
- mapped_frame->format = mapped_hwfc->format;
- mapped_frame->pts = f->pts;
-
- /* Set frame hardware context referencce */
- mapped_frame->hw_frames_ctx = av_buffer_ref(ctx->mapped_frames_ref);
- if (!mapped_frame->hw_frames_ctx) {
- err = AVERROR(ENOMEM);
- goto end;
- }
-
- err = av_hwframe_map(mapped_frame, f, 0);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Error mapping: %s!\n", av_err2str(err));
- goto end;
- }
-
- if (push_to_fifo(&ctx->vid_frames, mapped_frame)) {
- av_log(ctx, AV_LOG_WARNING, "Dropped frame!\n");
- }
-
- if (!ctx->quit && !ctx->err) {
- register_cb(ctx);
- }
-
-end:
- ctx->err = err;
- av_frame_free(&ctx->current_frame);
-}
-
-static void frame_cancel(void *data, struct zwlr_export_dmabuf_frame_v1 *frame,
- uint32_t reason) {
- struct capture_context *ctx = data;
- av_log(ctx, AV_LOG_WARNING, "Frame cancelled!\n");
- av_frame_free(&ctx->current_frame);
- if (reason == ZWLR_EXPORT_DMABUF_FRAME_V1_CANCEL_REASON_PERMANENT) {
- av_log(ctx, AV_LOG_ERROR, "Permanent failure, exiting\n");
- ctx->err = true;
- } else {
- register_cb(ctx);
- }
-}
-
-static const struct zwlr_export_dmabuf_frame_v1_listener frame_listener = {
- .frame = frame_start,
- .object = frame_object,
- .ready = frame_ready,
- .cancel = frame_cancel,
-};
-
-static void register_cb(struct capture_context *ctx) {
- ctx->frame_callback = zwlr_export_dmabuf_manager_v1_capture_output(
- ctx->export_manager, ctx->with_cursor, ctx->target_output);
-
- zwlr_export_dmabuf_frame_v1_add_listener(ctx->frame_callback,
- &frame_listener, ctx);
-}
-
-static void *vid_encode_thread(void *arg) {
- int err = 0;
- struct capture_context *ctx = arg;
-
- do {
- AVFrame *f = NULL;
- if (get_fifo_size(&ctx->vid_frames) || !ctx->quit) {
- f = pop_from_fifo(&ctx->vid_frames);
- }
-
- if (ctx->is_software_encoder && f) {
- AVFrame *soft_frame = av_frame_alloc();
- av_hwframe_transfer_data(soft_frame, f, 0);
- soft_frame->pts = f->pts;
- av_frame_free(&f);
- f = soft_frame;
- }
-
- err = avcodec_send_frame(ctx->avctx, f);
-
- av_frame_free(&f);
-
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Error encoding: %s!\n", av_err2str(err));
- goto end;
- }
-
- while (1) {
- AVPacket *pkt = av_packet_alloc();
- int ret = avcodec_receive_packet(ctx->avctx, pkt);
- if (ret == AVERROR(EAGAIN)) {
- av_packet_free(&pkt);
- break;
- } else if (ret == AVERROR_EOF) {
- av_log(ctx, AV_LOG_INFO, "Encoder flushed!\n");
- av_packet_free(&pkt);
- goto end;
- } else if (ret) {
- av_log(ctx, AV_LOG_ERROR, "Error encoding: %s!\n",
- av_err2str(ret));
- av_packet_free(&pkt);
- err = ret;
- goto end;
- }
-
- pkt->stream_index = 0;
- err = av_interleaved_write_frame(ctx->avf, pkt);
-
- av_packet_free(&pkt);
-
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Writing packet fail: %s!\n",
- av_err2str(err));
- goto end;
- }
- };
-
- int64_t frame_num;
-#if LIBAVUTIL_VERSION_MAJOR >= 58
- frame_num = ctx->avctx->frame_num;
-#else
- frame_num = ctx->avctx->frame_number;
-#endif
- av_log(ctx, AV_LOG_INFO, "Encoded frame %"PRIi64" (%i in queue)\n",
- frame_num, get_fifo_size(&ctx->vid_frames));
-
- } while (!ctx->err);
-
-end:
- if (!ctx->err) {
- ctx->err = err;
- }
- return NULL;
-}
-
-static int init_lavu_hwcontext(struct capture_context *ctx) {
- /* DRM hwcontext */
- ctx->drm_device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_DRM);
- if (!ctx->drm_device_ref)
- return AVERROR(ENOMEM);
-
- AVHWDeviceContext *ref_data = (AVHWDeviceContext*)ctx->drm_device_ref->data;
- AVDRMDeviceContext *hwctx = ref_data->hwctx;
-
- /* We don't need a device (we don't even know it and can't open it) */
- hwctx->fd = -1;
-
- av_hwdevice_ctx_init(ctx->drm_device_ref);
-
- /* Mapped hwcontext */
- int err = av_hwdevice_ctx_create(&ctx->mapped_device_ref,
- ctx->hw_device_type, ctx->hardware_device, NULL, 0);
- if (err < 0) {
- av_log(ctx, AV_LOG_ERROR, "Failed to create a hardware device: %s\n",
- av_err2str(err));
- return err;
- }
-
- return 0;
-}
-
-static int set_hwframe_ctx(struct capture_context *ctx,
- AVBufferRef *hw_device_ctx) {
- AVHWFramesContext *frames_ctx = NULL;
- int err = 0;
-
- if (!(ctx->mapped_frames_ref = av_hwframe_ctx_alloc(hw_device_ctx))) {
- return AVERROR(ENOMEM);
- }
-
- AVHWFramesConstraints *cst =
- av_hwdevice_get_hwframe_constraints(ctx->mapped_device_ref, NULL);
- if (!cst) {
- av_log(ctx, AV_LOG_ERROR, "Failed to get hw device constraints!\n");
- av_buffer_unref(&ctx->mapped_frames_ref);
- return AVERROR(ENOMEM);
- }
-
- frames_ctx = (AVHWFramesContext *)(ctx->mapped_frames_ref->data);
- frames_ctx->format = cst->valid_hw_formats[0];
- frames_ctx->sw_format = ctx->avctx->pix_fmt;
- frames_ctx->width = ctx->avctx->width;
- frames_ctx->height = ctx->avctx->height;
-
- av_hwframe_constraints_free(&cst);
-
- if ((err = av_hwframe_ctx_init(ctx->mapped_frames_ref))) {
- av_log(ctx, AV_LOG_ERROR, "Failed to initialize hw frame context: %s!\n",
- av_err2str(err));
- av_buffer_unref(&ctx->mapped_frames_ref);
- return err;
- }
-
- if (!ctx->is_software_encoder) {
- ctx->avctx->pix_fmt = frames_ctx->format;
- ctx->avctx->hw_frames_ctx = av_buffer_ref(ctx->mapped_frames_ref);
- if (!ctx->avctx->hw_frames_ctx) {
- av_buffer_unref(&ctx->mapped_frames_ref);
- err = AVERROR(ENOMEM);
- }
- }
-
- return err;
-}
-
-static int init_encoding(struct capture_context *ctx) {
- int err;
-
- /* lavf init */
- err = avformat_alloc_output_context2(&ctx->avf, NULL,
- NULL, ctx->out_filename);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Unable to init lavf context!\n");
- return err;
- }
-
- AVStream *st = avformat_new_stream(ctx->avf, NULL);
- if (!st) {
- av_log(ctx, AV_LOG_ERROR, "Unable to alloc stream!\n");
- return 1;
- }
-
- /* Find encoder */
- const AVCodec *out_codec = avcodec_find_encoder_by_name(ctx->encoder_name);
- if (!out_codec) {
- av_log(ctx, AV_LOG_ERROR, "Codec not found (not compiled in lavc?)!\n");
- return AVERROR(EINVAL);
- }
- ctx->avf->oformat = av_guess_format(ctx->encoder_name, NULL, NULL);
- ctx->is_software_encoder = !(out_codec->capabilities & AV_CODEC_CAP_HARDWARE);
-
- ctx->avctx = avcodec_alloc_context3(out_codec);
- if (!ctx->avctx)
- return 1;
-
- ctx->avctx->opaque = ctx;
- ctx->avctx->bit_rate = (int)ctx->out_bitrate*1000000.0f;
- ctx->avctx->pix_fmt = ctx->software_format;
- ctx->avctx->time_base = (AVRational){ 1, 1000 };
- ctx->avctx->compression_level = 7;
- ctx->avctx->width = find_output(ctx, ctx->target_output, 0)->width;
- ctx->avctx->height = find_output(ctx, ctx->target_output, 0)->height;
-
- if (ctx->avf->oformat->flags & AVFMT_GLOBALHEADER) {
- ctx->avctx->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
- }
-
- st->id = 0;
- st->time_base = ctx->avctx->time_base;
- st->avg_frame_rate = find_output(ctx, ctx->target_output, 0)->framerate;
-
- /* Init hw frames context */
- err = set_hwframe_ctx(ctx, ctx->mapped_device_ref);
- if (err) {
- return err;
- }
-
- err = avcodec_open2(ctx->avctx, out_codec, &ctx->encoder_opts);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Cannot open encoder: %s!\n",
- av_err2str(err));
- return err;
- }
-
- if (avcodec_parameters_from_context(st->codecpar, ctx->avctx) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Couldn't copy codec params: %s!\n",
- av_err2str(err));
- return err;
- }
-
- /* Debug print */
- av_dump_format(ctx->avf, 0, ctx->out_filename, 1);
-
- /* Open for writing */
- err = avio_open(&ctx->avf->pb, ctx->out_filename, AVIO_FLAG_WRITE);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Couldn't open %s: %s!\n", ctx->out_filename,
- av_err2str(err));
- return err;
- }
-
- err = avformat_write_header(ctx->avf, NULL);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Couldn't write header: %s!\n", av_err2str(err));
- return err;
- }
-
- return err;
-}
-
-struct capture_context *q_ctx = NULL;
-
-static void on_quit_signal(int signo) {
- printf("\r");
- av_log(q_ctx, AV_LOG_WARNING, "Quitting!\n");
- q_ctx->quit = true;
-}
-
-static int main_loop(struct capture_context *ctx) {
- int err;
-
- q_ctx = ctx;
-
- if (signal(SIGINT, on_quit_signal) == SIG_ERR) {
- av_log(ctx, AV_LOG_ERROR, "Unable to install signal handler!\n");
- return AVERROR(EINVAL);
- }
-
- err = init_lavu_hwcontext(ctx);
- if (err) {
- return err;
- }
-
- err = init_encoding(ctx);
- if (err) {
- return err;
- }
-
- /* Start video encoding thread */
- err = init_fifo(&ctx->vid_frames, 16);
- if (err) {
- return err;
- }
- pthread_create(&ctx->vid_thread, NULL, vid_encode_thread, ctx);
-
- /* Start the frame callback */
- register_cb(ctx);
-
- /* Run capture */
- while (wl_display_dispatch(ctx->display) != -1 && !ctx->err && !ctx->quit);
-
- /* Join with encoder thread */
- pthread_join(ctx->vid_thread, NULL);
-
- err = av_write_trailer(ctx->avf);
- if (err) {
- av_log(ctx, AV_LOG_ERROR, "Error writing trailer: %s!\n",
- av_err2str(err));
- return err;
- }
-
- av_log(ctx, AV_LOG_INFO, "Wrote trailer!\n");
-
- return ctx->err;
-}
-
-static int init(struct capture_context *ctx) {
- ctx->display = wl_display_connect(NULL);
- if (!ctx->display) {
- av_log(ctx, AV_LOG_ERROR, "Failed to connect to display!\n");
- return AVERROR(EINVAL);
- }
-
- wl_list_init(&ctx->output_list);
-
- ctx->registry = wl_display_get_registry(ctx->display);
- wl_registry_add_listener(ctx->registry, &registry_listener, ctx);
-
- // First roundtrip to fetch globals
- wl_display_roundtrip(ctx->display);
-
- // Second roundtrip to fetch wl_output information
- wl_display_roundtrip(ctx->display);
-
- if (!ctx->export_manager) {
- av_log(ctx, AV_LOG_ERROR, "Compositor doesn't support %s!\n",
- zwlr_export_dmabuf_manager_v1_interface.name);
- return -1;
- }
-
- return 0;
-}
-
-static void uninit(struct capture_context *ctx);
-
-static const char usage[] = "usage: dmabuf-capture [options...] <destination file path>\n"
- " -o <output ID>\n"
- " -t <hardware device type>\n"
- " -d <device path>\n"
- " -e <encoder>\n"
- " -f <pixel format>\n"
- " -r <bitrate in Mbps>\n"
- "\n"
- "Example:\n"
- " dmabuf-capture -o 32 -t vaapi -d /dev/dri/renderD129 \\\n"
- " -e libx264 -f nv12 -r 12 recording.mkv\n";
-
-int main(int argc, char *argv[]) {
- struct capture_context ctx = {
- .hardware_device = "/dev/dri/renderD128",
- .encoder_name = "libx264",
- .out_bitrate = 12,
- };
- int output_id = -1;
- const char *hw_device_type = "vaapi";
- const char *software_format = "nv12";
- int opt;
- while ((opt = getopt(argc, argv, "ho:t:d:e:f:r:")) != -1) {
- char *end;
- switch (opt) {
- case 'o':
- output_id = strtol(optarg, &end, 10);
- if (optarg[0] == '\0' || end[0] != '\0') {
- fprintf(stderr, "Output ID is not an integer\n");
- return 1;
- }
- break;
- case 't':
- hw_device_type = optarg;
- break;
- case 'd':
- ctx.hardware_device = optarg;
- break;
- case 'e':
- ctx.encoder_name = optarg;
- break;
- case 'f':
- software_format = optarg;
- break;
- case 'r':
- ctx.out_bitrate = strtof(optarg, &end);
- if (optarg[0] == '\0' || end[0] != '\0') {
- fprintf(stderr, "Bitrate is not a floating-pointer number\n");
- return 1;
- }
- break;
- default:
- fprintf(stderr, "%s", usage);
- return 1;
- }
- }
-
- if (optind >= argc) {
- fprintf(stderr, "Missing destination file argument\n");
- fprintf(stderr, "%s", usage);
- return 1;
- }
- ctx.out_filename = argv[optind];
-
- ctx.class = &((AVClass){
- .class_name = "dmabuf-capture",
- .item_name = av_default_item_name,
- .version = LIBAVUTIL_VERSION_INT,
- });
-
- int err = init(&ctx);
- if (err) {
- goto end;
- }
-
- struct wayland_output *o, *tmp_o;
- wl_list_for_each_reverse_safe(o, tmp_o, &ctx.output_list, link) {
- printf("Capturable output: %s Model: %s: ID: %i\n",
- o->make, o->model, o->id);
- }
-
- o = find_output(&ctx, NULL, output_id);
- if (!o) {
- printf("Unable to find output with ID %d\n", output_id);
- return 1;
- }
-
- ctx.target_output = o->output;
- ctx.with_cursor = true;
- ctx.hw_device_type = av_hwdevice_find_type_by_name(hw_device_type);
- ctx.software_format = av_get_pix_fmt(software_format);
-
- av_dict_set(&ctx.encoder_opts, "preset", "veryfast", 0);
-
- err = main_loop(&ctx);
- if (err) {
- goto end;
- }
-
-end:
- uninit(&ctx);
- return err;
-}
-
-static void uninit(struct capture_context *ctx) {
- struct wayland_output *output, *tmp_o;
- wl_list_for_each_safe(output, tmp_o, &ctx->output_list, link) {
- remove_output(output);
- }
-
- if (ctx->export_manager) {
- zwlr_export_dmabuf_manager_v1_destroy(ctx->export_manager);
- }
-
- free_fifo(&ctx->vid_frames);
-
- av_buffer_unref(&ctx->drm_frames_ref);
- av_buffer_unref(&ctx->drm_device_ref);
- av_buffer_unref(&ctx->mapped_frames_ref);
- av_buffer_unref(&ctx->mapped_device_ref);
-
- av_dict_free(&ctx->encoder_opts);
-
- avcodec_close(ctx->avctx);
- if (ctx->avf) {
- avio_closep(&ctx->avf->pb);
- }
- avformat_free_context(ctx->avf);
-}
diff --git a/examples/relative-pointer-unstable-v1.c b/examples/relative-pointer-unstable-v1.c
deleted file mode 100644
index 6722a5b9..00000000
--- a/examples/relative-pointer-unstable-v1.c
+++ /dev/null
@@ -1,489 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <GLES2/gl2.h>
-#include <linux/input-event-codes.h>
-#include <wayland-egl.h>
-#include "egl_common.h"
-#include "pointer-constraints-unstable-v1-client-protocol.h"
-#include "relative-pointer-unstable-v1-client-protocol.h"
-#include "xdg-shell-client-protocol.h"
-
-
-/**
- * structs storing global state
- *
- * These are passed around as user data in the wayland globals.
- */
-
-struct egl_info {
- struct wl_egl_window *egl_window;
- struct wlr_egl_surface *egl_surface;
- uint32_t width;
- uint32_t height;
- struct wl_surface *surface;
- struct wl_callback *frame_callback;
-};
-
-struct window {
- struct egl_info *egl_info;
- struct wl_pointer *pointer;
- struct zwp_locked_pointer_v1 *locked_pointer;
- struct zwp_relative_pointer_v1 *relative_pointer;
- int32_t pointer_x, pointer_y;
- uint32_t last_draw;
-};
-
-
-/**
- * surface handling and helpers
- *
- * draw_cursor and draw_relative_cursor draw a small 5px by 5px box around the
- * cursor and relative motion coordinates respectively. draw_background colors
- * the background black.
- *
- * The functions are somewhat duplicated, but it doesn't really matter.
- */
-
-static void surface_callback_handle_done(void *data,
- struct wl_callback *callback, uint32_t time) {
- wl_callback_destroy(callback);
- struct egl_info *e = data;
- e->frame_callback = NULL;
-}
-
-static struct wl_callback_listener surface_callback_listener = {
- .done = surface_callback_handle_done,
-};
-
-static void draw_init(struct egl_info *e) {
- eglMakeCurrent(egl_display, e->egl_surface,
- e->egl_surface, egl_context);
- glViewport(0, 0, e->width, e->height);
-}
-
-static void draw_cursor(struct egl_info *e, int32_t x, int32_t y) {
- glEnable(GL_SCISSOR_TEST);
- glScissor(x, e->height - y, 5, 5);
- glClearColor(1.0f, 1.0f, 1.0f, 1.0f); /* white */
- glClear(GL_COLOR_BUFFER_BIT);
- glDisable(GL_SCISSOR_TEST);
-}
-
-static void draw_relative_cursor(struct egl_info *e, int32_t x, int32_t y) {
- glEnable(GL_SCISSOR_TEST);
- glScissor(x, e->height - y, 5, 5);
- glClearColor(1.0f, 0.0f, 0.0f, 1.0f); /* red */
- glClear(GL_COLOR_BUFFER_BIT);
- glDisable(GL_SCISSOR_TEST);
-}
-
-static void draw_background(struct egl_info *e) {
- glClearColor(0.0f, 0.0f, 0.0f, 1.0f); /* black */
- glClear(GL_COLOR_BUFFER_BIT);
-}
-
-static void draw_end(struct egl_info *e) {
- e->frame_callback = wl_surface_frame(e->surface);
- wl_callback_add_listener(e->frame_callback, &surface_callback_listener, e);
-
- eglSwapBuffers(egl_display, e->egl_surface);
-}
-
-
-/**
- * registry and globals handling
- */
-
-static struct wl_compositor *compositor = NULL;
-static struct wl_seat *seat = NULL;
-static struct xdg_wm_base *wm_base = NULL;
-static struct zwp_pointer_constraints_v1 *pointer_constraints = NULL;
-static struct zwp_relative_pointer_manager_v1 *relative_pointer_manager = NULL;
-
-static void registry_handle_global(void *data, struct wl_registry *registry,
- uint32_t name, const char *interface, uint32_t version) {
- if (strcmp(interface, wl_compositor_interface.name) == 0) {
- compositor = wl_registry_bind(registry, name,
- &wl_compositor_interface, version);
- } else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
- wm_base = wl_registry_bind(registry, name,
- &xdg_wm_base_interface, version);
- } else if (strcmp(interface, wl_seat_interface.name) == 0) {
- seat = wl_registry_bind(registry, name,
- &wl_seat_interface, version);
- } else if (strcmp(interface, zwp_pointer_constraints_v1_interface.name) == 0) {
- pointer_constraints = wl_registry_bind(registry, name,
- &zwp_pointer_constraints_v1_interface, version);
- } else if (strcmp(interface, zwp_relative_pointer_manager_v1_interface.name) == 0) {
- relative_pointer_manager = wl_registry_bind(registry, name,
- &zwp_relative_pointer_manager_v1_interface, version);
- }
-}
-
-static void registry_handle_global_remove(void *data, struct wl_registry *registry,
- uint32_t time) {
- /* This space intentionally left blank */
-}
-
-static const struct wl_registry_listener registry_listener = {
- .global = registry_handle_global,
- .global_remove = registry_handle_global_remove,
-};
-
-
-/**
- * xdg_surface handling
- */
-
-static void xdg_surface_handle_configure(void *data,
- struct xdg_surface *xdg_surface, uint32_t serial) {
- struct egl_info *e = data;
- xdg_surface_ack_configure(xdg_surface, serial);
- wl_egl_window_resize(e->egl_window, e->width, e->height, 0, 0);
- draw_init(e);
- draw_background(e);
- draw_end(e);
-}
-
-static const struct xdg_surface_listener xdg_surface_listener = {
- .configure = xdg_surface_handle_configure,
-};
-
-
-/**
- * xdg_toplevel handling
- */
-
-static void xdg_toplevel_handle_configure(void *data,
- struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height,
- struct wl_array *states) {
- struct egl_info *e = data;
- // TODO: Why do we get 0,0 on initialization here? (in rootston)
- if (width == 0 && height == 0) {
- return;
- }
- e->width = width;
- e->height = height;
-}
-
-static void xdg_toplevel_handle_close(void *data,
- struct xdg_toplevel *xdg_toplevel) {
- egl_finish();
- exit(EXIT_SUCCESS);
-}
-
-static const struct xdg_toplevel_listener xdg_toplevel_listener = {
- .configure = xdg_toplevel_handle_configure,
- .close = xdg_toplevel_handle_close,
-};
-
-
-/**
- * zwp_locked_pointer handling
- *
- * Pointer unlocks need to be handled properly since the relative pointer needs
- * to be released as well. Unlocks happen when the focus is changed, for
- * example.
- */
-
-static void locked_pointer_handle_locked(void *data,
- struct zwp_locked_pointer_v1 *zwp_locked_pointer_v1) {
- /* This space intentionally left blank */
-}
-
-static void locked_pointer_handle_unlocked(void *data,
- struct zwp_locked_pointer_v1 *zwp_locked_pointer_v1) {
- struct window *w = data;
- /* The locked pointer doesn't need to be destroyed since it was oneshot */
- w->locked_pointer = NULL;
- if (w->relative_pointer) {
- /* Destroy the relative pointer */
- zwp_relative_pointer_v1_destroy(w->relative_pointer);
- w->relative_pointer = NULL;
- }
- draw_init(w->egl_info);
- draw_background(w->egl_info);
- draw_end(w->egl_info);
-}
-
-static const struct zwp_locked_pointer_v1_listener locked_pointer_listener = {
- .locked = locked_pointer_handle_locked,
- .unlocked = locked_pointer_handle_unlocked,
-};
-
-
-/**
- * zwp_relative_pointer handling
- *
- * Handling relative_motion events is the meat of the code. The handler simply
- * tries to indicate what the deltas look like.
- */
-
-static void relative_pointer_handle_relative_motion(void *data,
- struct zwp_relative_pointer_v1 *zwp_relative_pointer_v1,
- uint32_t utime_hi, uint32_t utime_lo,
- wl_fixed_t dx, wl_fixed_t dy,
- wl_fixed_t dx_unaccel, wl_fixed_t dy_unaccel) {
- struct window *w = data;
-
- /**
- * This renders the last location of the pointer (before it as locked), as
- * well as what the position would have been after the given relative
- * motion. Note that, if the device sends absolute motion events, the
- * cursor location after relative motion is always identical to the actual
- * cursor position.
- */
- uint64_t utime = (((uint64_t) utime_hi << 32) + utime_lo) / 1000;
- if (utime - w->last_draw > 30 && w->egl_info->frame_callback == NULL) {
- w->last_draw = utime;
-
- struct egl_info *e = w->egl_info;
- draw_init(e);
- draw_background(e);
- draw_cursor(e, w->pointer_x, w->pointer_y);
- draw_relative_cursor(e, w->pointer_x + wl_fixed_to_int(dx),
- w->pointer_y + wl_fixed_to_int(dy));
- draw_end(e);
- }
-}
-
-static const struct zwp_relative_pointer_v1_listener relative_pointer_listener = {
- .relative_motion = relative_pointer_handle_relative_motion,
-};
-
-
-/**
- * wl_pointer handling
- *
- * The client toggles between locking the pointer and receiving relative motion
- * events, and releasing the locked pointer and falling back to normal motion
- * events, on a mouse button one (left mouse button) click.
- *
- * It additionally removes the cursor image, and indicates the pointer location
- * via a small white box.
- */
-
-static void pointer_handle_button(void *data, struct wl_pointer *pointer,
- uint32_t serial, uint32_t time, uint32_t button, uint32_t state_w) {
-
- struct window *w = data;
- struct egl_info *e = w->egl_info;
-
- if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED) {
- if (w->locked_pointer == NULL && w->relative_pointer == NULL) {
- /* Get a locked pointer and add listener */
- w->locked_pointer = zwp_pointer_constraints_v1_lock_pointer(
- pointer_constraints, w->egl_info->surface, w->pointer, NULL,
- ZWP_POINTER_CONSTRAINTS_V1_LIFETIME_ONESHOT);
- zwp_locked_pointer_v1_add_listener(w->locked_pointer,
- &locked_pointer_listener, w);
-
- /* Get relative pointer and add listener */
- w->relative_pointer = zwp_relative_pointer_manager_v1_get_relative_pointer(
- relative_pointer_manager, w->pointer);
- zwp_relative_pointer_v1_add_listener(w->relative_pointer,
- &relative_pointer_listener, w);
-
- /* Commit the surface and render */
- wl_surface_commit(e->surface);
-
- draw_init(e);
- draw_background(e);
- draw_cursor(e, w->pointer_x, w->pointer_y);
- draw_end(e);
- } else if (w->locked_pointer && w->relative_pointer) {
- /* Destroy the locked pointer */
- zwp_locked_pointer_v1_destroy(w->locked_pointer);
- w->locked_pointer = NULL;
-
- /* Destroy the relative pointer */
- zwp_relative_pointer_v1_destroy(w->relative_pointer);
- w->relative_pointer = NULL;
-
- /* Render */
- draw_init(e);
- draw_background(e);
- draw_cursor(e, w->pointer_x, w->pointer_y);
- draw_end(e);
- } else {
- fprintf(stderr, "Unknown state!\n");
- exit(EXIT_FAILURE);
- }
- }
-}
-
-static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
- uint32_t serial, struct wl_surface *surface,
- wl_fixed_t surface_x, wl_fixed_t surface_y) {
- struct window *w = data;
- wl_pointer_set_cursor(w->pointer, serial, NULL, 0, 0);
-}
-
-static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
- uint32_t serial, struct wl_surface *surface) {
- /* This space intentionally left blank */
-}
-
-static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
- uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
- struct window *w = data;
- struct egl_info *e = w->egl_info;
- w->pointer_x = wl_fixed_to_int(surface_x);
- w->pointer_y = wl_fixed_to_int(surface_y);
- if (time - w->last_draw > 30 && e->frame_callback == NULL) {
- w->last_draw = time;
- draw_init(e);
- draw_background(e);
- draw_cursor(e, w->pointer_x, w->pointer_y);
- draw_end(e);
- }
-}
-
-static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
- uint32_t time, uint32_t axis, wl_fixed_t value) {
- /* This space intentionally left blank */
-}
-
-static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
- /* This space intentionally left blank */
-}
-
-static void pointer_handle_axis_source(void *data,
- struct wl_pointer *wl_pointer, uint32_t axis_source) {
- /* This space intentionally left blank */
-}
-
-static void pointer_handle_axis_stop(void *data,
- struct wl_pointer *wl_pointer, uint32_t time, uint32_t axis) {
- /* This space intentionally left blank */
-}
-
-static void pointer_handle_axis_discrete(void *data,
- struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) {
- /* This space intentionally left blank */
-}
-
-static const struct wl_pointer_listener pointer_listener = {
- .enter = pointer_handle_enter,
- .leave = pointer_handle_leave,
- .motion = pointer_handle_motion,
- .button = pointer_handle_button,
- .axis = pointer_handle_axis,
- .frame = pointer_handle_frame,
- .axis_source = pointer_handle_axis_source,
- .axis_stop = pointer_handle_axis_stop,
- .axis_discrete = pointer_handle_axis_discrete,
-};
-
-
-/**
- * relative-pointer:
- *
- * This client servers as an example for the relative-pointer-v1 protocol, and
- * to some extent the pointer-constraints protocol as well (the locked_pointer
- * interface).
- *
- * The intended behavior is the following. In the default state, the client
- * shows a black background, and renders the pointer location as a small white
- * box. No cursor is shown. In the locked state, the pointer is locked and the
- * client only listens for relative motion events, which are rendered relative
- * to the last unlocked pointer location by a small red box. Clicking with the
- * left mouse button toggles the state.
- *
- * Most of the code is standard. The interesting stuff happens in "wl_pointer
- * handling" (toggling states), and "zwp_relative_pointer handling" (rendering
- * relative motion events).
- */
-
-int main(int argc, char **argv) {
-
- /* Connect to the display */
-
- struct wl_display *display = wl_display_connect(NULL);
- if (display == NULL) {
- fprintf(stderr, "Could not connect to a Wayland display\n");
- return EXIT_FAILURE;
- }
-
- /* Get the registry and set listeners */
-
- struct wl_registry *registry = wl_display_get_registry(display);
- wl_registry_add_listener(registry, &registry_listener, NULL);
- wl_display_roundtrip(display);
-
- /* Check that all the global interfaces were captured */
-
- if (compositor == NULL) {
- fprintf(stderr, "wl_compositor not available\n");
- return EXIT_FAILURE;
- }
- if (seat == NULL) {
- fprintf(stderr, "wl_seat not available\n");
- return EXIT_FAILURE;
- }
- if (wm_base == NULL) {
- fprintf(stderr, "xdg_wm_base not available\n");
- return EXIT_FAILURE;
- }
- if (pointer_constraints == NULL) {
- fprintf(stderr, "zwp_pointer_constraints_v1 not available\n");
- return EXIT_FAILURE;
- }
- if (relative_pointer_manager == NULL) {
- fprintf(stderr, "zwp_relative_pointer_manager_v1 not available\n");
- return EXIT_FAILURE;
- }
-
- /* Initialize EGL context */
-
- struct egl_info *e = calloc(1, sizeof(*e));
- e->width = e->height = 512;
-
- egl_init(display);
-
- /* Create the surface and xdg_toplevels, and set listeners */
-
- struct wl_surface *surface = wl_compositor_create_surface(compositor);
- struct xdg_surface *xdg_surface =
- xdg_wm_base_get_xdg_surface(wm_base, surface);
- struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
-
- xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, e);
- xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, e);
-
- /* Create the egl window and surface */
-
- wl_surface_commit(surface);
-
- e->egl_window = wl_egl_window_create(surface, e->width, e->height);
- e->egl_surface = eglCreatePlatformWindowSurfaceEXT(
- egl_display, egl_config, e->egl_window, NULL);
- e->surface = surface;
-
- wl_display_roundtrip(display);
-
- /* Setup global state and render */
-
- struct window *w = calloc(1, sizeof(*w));
- w->egl_info = e;
-
- draw_init(e);
- draw_background(e);
- draw_end(e);
-
- /* Setup the pointer */
-
- struct wl_pointer *pointer = wl_seat_get_pointer(seat);
- wl_pointer_add_listener(pointer, &pointer_listener, w);
-
- w->pointer = pointer;
-
- /* Run display */
-
- while (wl_display_dispatch(display) != -1) {
- /* This space intentionally left blank */
- }
-
- return EXIT_SUCCESS;
-}