mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-04 13:30:12 -05:00
move things around
This commit is contained in:
Wim Taymans
parent
847cef83b6
commit
d1655196c3
130 changed files with 363 additions and 335 deletions
415
src/examples/video-play.c
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415
src/examples/video-play.c
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@ -0,0 +1,415 @@
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/* PipeWire
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* Copyright (C) 2017 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <sys/mman.h>
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#include <SDL2/SDL.h>
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#include <spa/type-map.h>
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#include <spa/format-utils.h>
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#include <spa/video/format-utils.h>
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#include <spa/format-builder.h>
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#include <spa/props.h>
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#include <spa/lib/debug.h>
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#include <pipewire/pipewire.h>
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#include <pipewire/sig.h>
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struct type {
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uint32_t format;
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uint32_t props;
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struct spa_type_meta meta;
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struct spa_type_data data;
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struct spa_type_media_type media_type;
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struct spa_type_media_subtype media_subtype;
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struct spa_type_format_video format_video;
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struct spa_type_video_format video_format;
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};
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static inline void init_type(struct type *type, struct spa_type_map *map)
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{
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type->format = spa_type_map_get_id(map, SPA_TYPE__Format);
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type->props = spa_type_map_get_id(map, SPA_TYPE__Props);
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spa_type_meta_map(map, &type->meta);
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spa_type_data_map(map, &type->data);
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spa_type_media_type_map(map, &type->media_type);
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spa_type_media_subtype_map(map, &type->media_subtype);
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spa_type_format_video_map(map, &type->format_video);
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spa_type_video_format_map(map, &type->video_format);
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}
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#define WIDTH 640
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#define HEIGHT 480
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#define BPP 3
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struct data {
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struct type type;
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const char *path;
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SDL_Renderer *renderer;
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SDL_Window *window;
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SDL_Texture *texture;
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bool running;
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struct pw_loop *loop;
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struct spa_source *timer;
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struct pw_core *core;
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struct pw_remote *remote;
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struct pw_listener on_state_changed;
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struct pw_stream *stream;
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struct pw_listener on_stream_state_changed;
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struct pw_listener on_stream_format_changed;
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struct pw_listener on_stream_new_buffer;
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struct spa_video_info_raw format;
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int32_t stride;
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uint8_t params_buffer[1024];
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int counter;
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};
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static void handle_events(struct data *data)
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{
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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switch (event.type) {
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case SDL_QUIT:
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exit(0);
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break;
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}
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}
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}
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static void
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on_stream_new_buffer(struct pw_listener *listener, struct pw_stream *stream, uint32_t id)
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{
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struct data *data = SPA_CONTAINER_OF(listener, struct data, on_stream_new_buffer);
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struct spa_buffer *buf;
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uint8_t *map;
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void *sdata, *ddata;
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int sstride, dstride, ostride;
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int i;
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uint8_t *src, *dst;
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buf = pw_stream_peek_buffer(data->stream, id);
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if (buf->datas[0].type == data->type.data.MemFd) {
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map = mmap(NULL, buf->datas[0].maxsize + buf->datas[0].mapoffset, PROT_READ,
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MAP_PRIVATE, buf->datas[0].fd, 0);
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sdata = SPA_MEMBER(map, buf->datas[0].mapoffset, uint8_t);
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} else if (buf->datas[0].type == data->type.data.MemPtr) {
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map = NULL;
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sdata = buf->datas[0].data;
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} else
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return;
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if (SDL_LockTexture(data->texture, NULL, &ddata, &dstride) < 0) {
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fprintf(stderr, "Couldn't lock texture: %s\n", SDL_GetError());
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return;
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}
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sstride = buf->datas[0].chunk->stride;
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ostride = SPA_MIN(sstride, dstride);
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src = sdata;
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dst = ddata;
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for (i = 0; i < data->format.size.height; i++) {
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memcpy(dst, src, ostride);
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src += sstride;
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dst += dstride;
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}
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SDL_UnlockTexture(data->texture);
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SDL_RenderClear(data->renderer);
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SDL_RenderCopy(data->renderer, data->texture, NULL, NULL);
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SDL_RenderPresent(data->renderer);
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if (map)
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munmap(map, buf->datas[0].maxsize);
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pw_stream_recycle_buffer(data->stream, id);
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handle_events(data);
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}
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static void on_stream_state_changed(struct pw_listener *listener, struct pw_stream *stream)
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{
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printf("stream state: \"%s\"\n", pw_stream_state_as_string(stream->state));
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}
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static struct {
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Uint32 format;
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uint32_t id;
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} video_formats[] = {
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{
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SDL_PIXELFORMAT_UNKNOWN, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX1LSB, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_UNKNOWN, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX1LSB, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX1MSB, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX4LSB, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX4MSB, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_INDEX8, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGB332, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGB444, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGB555, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_BGR555, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_ARGB4444, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGBA4444, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_ABGR4444, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_BGRA4444, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_ARGB1555, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGBA5551, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_ABGR1555, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_BGRA5551, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGB565, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_BGR565, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGB24, offsetof(struct spa_type_video_format, RGB),}, {
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SDL_PIXELFORMAT_RGB888, offsetof(struct spa_type_video_format, RGB),}, {
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SDL_PIXELFORMAT_RGBX8888, offsetof(struct spa_type_video_format, RGBx),}, {
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SDL_PIXELFORMAT_BGR24, offsetof(struct spa_type_video_format, BGR),}, {
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SDL_PIXELFORMAT_BGR888, offsetof(struct spa_type_video_format, BGR),}, {
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SDL_PIXELFORMAT_BGRX8888, offsetof(struct spa_type_video_format, BGRx),}, {
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SDL_PIXELFORMAT_ARGB2101010, offsetof(struct spa_type_video_format, UNKNOWN),}, {
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SDL_PIXELFORMAT_RGBA8888, offsetof(struct spa_type_video_format, RGBA),}, {
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SDL_PIXELFORMAT_ARGB8888, offsetof(struct spa_type_video_format, ARGB),}, {
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SDL_PIXELFORMAT_BGRA8888, offsetof(struct spa_type_video_format, BGRA),}, {
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SDL_PIXELFORMAT_ABGR8888, offsetof(struct spa_type_video_format, ABGR),}, {
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SDL_PIXELFORMAT_YV12, offsetof(struct spa_type_video_format, YV12),}, {
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SDL_PIXELFORMAT_IYUV, offsetof(struct spa_type_video_format, I420),}, {
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SDL_PIXELFORMAT_YUY2, offsetof(struct spa_type_video_format, YUY2),}, {
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SDL_PIXELFORMAT_UYVY, offsetof(struct spa_type_video_format, UYVY),}, {
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SDL_PIXELFORMAT_YVYU, offsetof(struct spa_type_video_format, YVYU),}, {
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SDL_PIXELFORMAT_NV12, offsetof(struct spa_type_video_format, NV12),}, {
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SDL_PIXELFORMAT_NV21, offsetof(struct spa_type_video_format, NV21),}};
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static uint32_t sdl_format_to_id(struct data *data, Uint32 format)
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{
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int i;
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for (i = 0; i < SPA_N_ELEMENTS(video_formats); i++) {
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if (video_formats[i].format == format)
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return *SPA_MEMBER(&data->type.video_format, video_formats[i].id, uint32_t);
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}
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return data->type.video_format.UNKNOWN;
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}
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static Uint32 id_to_sdl_format(struct data *data, uint32_t id)
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{
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int i;
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for (i = 0; i < SPA_N_ELEMENTS(video_formats); i++) {
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if (*SPA_MEMBER(&data->type.video_format, video_formats[i].id, uint32_t) == id)
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return video_formats[i].format;
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}
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return SDL_PIXELFORMAT_UNKNOWN;
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}
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#define PROP(f,key,type,...) \
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SPA_POD_PROP (f,key,0,type,1,__VA_ARGS__)
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#define PROP_U_MM(f,key,type,...) \
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SPA_POD_PROP (f,key,SPA_POD_PROP_FLAG_UNSET | \
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SPA_POD_PROP_RANGE_MIN_MAX,type,3,__VA_ARGS__)
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static void
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on_stream_format_changed(struct pw_listener *listener,
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struct pw_stream *stream, struct spa_format *format)
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{
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struct data *data = SPA_CONTAINER_OF(listener, struct data, on_stream_format_changed);
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struct pw_remote *remote = stream->remote;
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struct pw_core *core = remote->core;
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struct spa_pod_builder b = { NULL };
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struct spa_pod_frame f[2];
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struct spa_param *params[2];
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Uint32 sdl_format;
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void *d;
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if (format == NULL) {
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pw_stream_finish_format(stream, SPA_RESULT_OK, NULL, 0);
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return;
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}
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spa_debug_format(format);
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spa_format_video_raw_parse(format, &data->format, &data->type.format_video);
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sdl_format = id_to_sdl_format(data, data->format.format);
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if (sdl_format == SDL_PIXELFORMAT_UNKNOWN) {
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pw_stream_finish_format(stream, SPA_RESULT_ERROR, NULL, 0);
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return;
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}
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data->texture = SDL_CreateTexture(data->renderer,
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sdl_format,
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SDL_TEXTUREACCESS_STREAMING,
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data->format.size.width,
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data->format.size.height);
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SDL_LockTexture(data->texture, NULL, &d, &data->stride);
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SDL_UnlockTexture(data->texture);
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spa_pod_builder_init(&b, data->params_buffer, sizeof(data->params_buffer));
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spa_pod_builder_object(&b, &f[0], 0, core->type.param_alloc_buffers.Buffers,
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PROP(&f[1], core->type.param_alloc_buffers.size, SPA_POD_TYPE_INT,
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data->stride * data->format.size.height),
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PROP(&f[1], core->type.param_alloc_buffers.stride, SPA_POD_TYPE_INT,
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data->stride),
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PROP_U_MM(&f[1], core->type.param_alloc_buffers.buffers, SPA_POD_TYPE_INT,
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32,
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2, 32),
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PROP(&f[1], core->type.param_alloc_buffers.align, SPA_POD_TYPE_INT,
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16));
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params[0] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_param);
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spa_pod_builder_object(&b, &f[0], 0, core->type.param_alloc_meta_enable.MetaEnable,
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PROP(&f[1], core->type.param_alloc_meta_enable.type, SPA_POD_TYPE_ID,
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core->type.meta.Header),
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PROP(&f[1], core->type.param_alloc_meta_enable.size, SPA_POD_TYPE_INT,
|
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sizeof(struct spa_meta_header)));
|
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params[1] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_param);
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pw_stream_finish_format(stream, SPA_RESULT_OK, params, 2);
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}
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|
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static void on_state_changed(struct pw_listener *listener, struct pw_remote *remote)
|
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{
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struct data *data = SPA_CONTAINER_OF(listener, struct data, on_state_changed);
|
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|
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switch (remote->state) {
|
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case PW_REMOTE_STATE_ERROR:
|
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printf("remote error: %s\n", remote->error);
|
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data->running = false;
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break;
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|
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case PW_REMOTE_STATE_CONNECTED:
|
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{
|
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const struct spa_format *formats[1];
|
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uint8_t buffer[1024];
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struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
|
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struct spa_pod_frame f[2];
|
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SDL_RendererInfo info;
|
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int i, c;
|
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|
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printf("remote state: \"%s\"\n",
|
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pw_remote_state_as_string(remote->state));
|
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|
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data->stream = pw_stream_new(remote, "video-play", NULL);
|
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|
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SDL_GetRendererInfo(data->renderer, &info);
|
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|
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spa_pod_builder_push_format(&b, &f[0], data->type.format,
|
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data->type.media_type.video,
|
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data->type.media_subtype.raw);
|
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|
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spa_pod_builder_push_prop(&b, &f[1], data->type.format_video.format,
|
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SPA_POD_PROP_FLAG_UNSET |
|
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SPA_POD_PROP_RANGE_ENUM);
|
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for (i = 0, c = 0; i < info.num_texture_formats; i++) {
|
||||
uint32_t id = sdl_format_to_id(data, info.texture_formats[i]);
|
||||
if (id == 0)
|
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continue;
|
||||
if (c++ == 0)
|
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spa_pod_builder_id(&b, id);
|
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spa_pod_builder_id(&b, id);
|
||||
}
|
||||
for (i = 0; i < SPA_N_ELEMENTS(video_formats); i++) {
|
||||
uint32_t id =
|
||||
*SPA_MEMBER(&data->type.video_format, video_formats[i].id,
|
||||
uint32_t);
|
||||
if (id != data->type.video_format.UNKNOWN)
|
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spa_pod_builder_id(&b, id);
|
||||
}
|
||||
spa_pod_builder_pop(&b, &f[1]);
|
||||
spa_pod_builder_add(&b,
|
||||
PROP_U_MM(&f[1], data->type.format_video.size, SPA_POD_TYPE_RECTANGLE,
|
||||
WIDTH, HEIGHT,
|
||||
1, 1, info.max_texture_width, info.max_texture_height),
|
||||
PROP_U_MM(&f[1], data->type.format_video.framerate, SPA_POD_TYPE_FRACTION,
|
||||
25, 1,
|
||||
0, 1, 30, 1),
|
||||
0);
|
||||
spa_pod_builder_pop(&b, &f[0]);
|
||||
formats[0] = SPA_POD_BUILDER_DEREF(&b, f[0].ref, struct spa_format);
|
||||
|
||||
printf("supported formats:\n");
|
||||
spa_debug_format(formats[0]);
|
||||
|
||||
pw_signal_add(&data->stream->state_changed,
|
||||
&data->on_stream_state_changed, on_stream_state_changed);
|
||||
pw_signal_add(&data->stream->format_changed,
|
||||
&data->on_stream_format_changed, on_stream_format_changed);
|
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pw_signal_add(&data->stream->new_buffer,
|
||||
&data->on_stream_new_buffer, on_stream_new_buffer);
|
||||
|
||||
pw_stream_connect(data->stream,
|
||||
PW_DIRECTION_INPUT,
|
||||
PW_STREAM_MODE_BUFFER,
|
||||
data->path, PW_STREAM_FLAG_AUTOCONNECT, 1, formats);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
printf("remote state: \"%s\"\n", pw_remote_state_as_string(remote->state));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct data data = { 0, };
|
||||
|
||||
pw_init(&argc, &argv);
|
||||
|
||||
data.loop = pw_loop_new();
|
||||
data.running = true;
|
||||
data.core = pw_core_new(data.loop, NULL);
|
||||
data.remote = pw_remote_new(data.core, NULL);
|
||||
data.path = argc > 1 ? argv[1] : NULL;
|
||||
|
||||
init_type(&data.type, data.core->type.map);
|
||||
|
||||
spa_debug_set_type_map(data.core->type.map);
|
||||
|
||||
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
|
||||
printf("can't initialize SDL: %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (SDL_CreateWindowAndRenderer
|
||||
(WIDTH, HEIGHT, SDL_WINDOW_RESIZABLE, &data.window, &data.renderer)) {
|
||||
printf("can't create window: %s\n", SDL_GetError());
|
||||
return -1;
|
||||
}
|
||||
|
||||
pw_signal_add(&data.remote->state_changed, &data.on_state_changed, on_state_changed);
|
||||
|
||||
pw_remote_connect(data.remote);
|
||||
|
||||
pw_loop_enter(data.loop);
|
||||
while (data.running) {
|
||||
pw_loop_iterate(data.loop, -1);
|
||||
}
|
||||
pw_loop_leave(data.loop);
|
||||
|
||||
pw_remote_destroy(data.remote);
|
||||
pw_loop_destroy(data.loop);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue