From: Zhao Zhili <zhiliz...@tencent.com> Add vulkan renderer via libplacebo.
Simple usage: $ ffplay -hwaccel vulkan foo.mp4 Use cuda to vulkan map: $ ffplay -hwaccel cuda foo.mp4 Create vulkan instance by libplacebo, and enable debug: $ ffplay -hwaccel vulkan \ -vulkan_params create_by_placebo=1:debug=1 foo.mp4 --- v5: 1. add vulkan_params option. 2. vulkan instance can be create by hwcontext or libplacebo. v4: add more optional extensions v3: shared vulkan instance between libplacebo and hwcontext configure | 2 +- doc/ffplay.texi | 12 + fftools/Makefile | 2 + fftools/ffplay.c | 96 ++++- fftools/ffplay_renderer.c | 809 ++++++++++++++++++++++++++++++++++++++ fftools/ffplay_renderer.h | 41 ++ 6 files changed, 956 insertions(+), 6 deletions(-) create mode 100644 fftools/ffplay_renderer.c create mode 100644 fftools/ffplay_renderer.h diff --git a/configure b/configure index 1f0b9497cb..e7628f870a 100755 --- a/configure +++ b/configure @@ -3903,7 +3903,7 @@ ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter ffmpeg_suggest="ole32 psapi shell32" ffplay_deps="avcodec avformat avfilter swscale swresample sdl2" ffplay_select="crop_filter transpose_filter hflip_filter vflip_filter rotate_filter" -ffplay_suggest="shell32" +ffplay_suggest="shell32 libplacebo vulkan" ffprobe_deps="avcodec avformat" ffprobe_suggest="shell32" diff --git a/doc/ffplay.texi b/doc/ffplay.texi index 5dd860b846..93f77eeece 100644 --- a/doc/ffplay.texi +++ b/doc/ffplay.texi @@ -196,6 +196,18 @@ will produce a thread pool with this many threads available for parallel processing. The default is 0 which means that the thread count will be determined by the number of available CPUs. +@item -enable_vulkan +Use vulkan renderer rather than SDL builtin renderer. Depends on libplacebo. + +@item -vulkan_params + +Vulkan configuration using a list of @var{key}=@var{value} pairs separated by +":". + +@item -hwaccel +Use HW accelerated decoding. Enable this option will enable vulkan renderer +automatically. + @end table @section While playing diff --git a/fftools/Makefile b/fftools/Makefile index 56820e6bc8..3c763e3db9 100644 --- a/fftools/Makefile +++ b/fftools/Makefile @@ -22,6 +22,8 @@ OBJS-ffmpeg += \ fftools/sync_queue.o \ fftools/thread_queue.o \ +OBJS-ffplay += fftools/ffplay_renderer.o + define DOFFTOOL OBJS-$(1) += fftools/cmdutils.o fftools/opt_common.o fftools/$(1).o $(OBJS-$(1)-yes) ifdef HAVE_GNU_WINDRES diff --git a/fftools/ffplay.c b/fftools/ffplay.c index d8c69e10bc..873ee8cc74 100644 --- a/fftools/ffplay.c +++ b/fftools/ffplay.c @@ -58,6 +58,7 @@ #include <SDL_thread.h> #include "cmdutils.h" +#include "ffplay_renderer.h" #include "opt_common.h" const char program_name[] = "ffplay"; @@ -350,6 +351,9 @@ static char *afilters = NULL; static int autorotate = 1; static int find_stream_info = 1; static int filter_nbthreads = 0; +static int enable_vulkan = 0; +static char *vulkan_params = NULL; +static const char *hwaccel = NULL; /* current context */ static int is_full_screen; @@ -362,6 +366,8 @@ static SDL_Renderer *renderer; static SDL_RendererInfo renderer_info = {0}; static SDL_AudioDeviceID audio_dev; +static VkRenderer *vk_renderer; + static const struct TextureFormatEntry { enum AVPixelFormat format; int texture_fmt; @@ -954,6 +960,11 @@ static void video_image_display(VideoState *is) SDL_Rect rect; vp = frame_queue_peek_last(&is->pictq); + if (vk_renderer) { + vk_renderer_display(vk_renderer, vp->frame); + return; + } + if (is->subtitle_st) { if (frame_queue_nb_remaining(&is->subpq) > 0) { sp = frame_queue_peek(&is->subpq); @@ -1289,6 +1300,8 @@ static void do_exit(VideoState *is) } if (renderer) SDL_DestroyRenderer(renderer); + if (vk_renderer) + vk_renderer_destroy(vk_renderer); if (window) SDL_DestroyWindow(window); uninit_opts(); @@ -2546,6 +2559,37 @@ static int audio_open(void *opaque, AVChannelLayout *wanted_channel_layout, int return spec.size; } +static int create_hwaccel(AVBufferRef **device_ctx) +{ + enum AVHWDeviceType type; + int ret; + AVBufferRef *vk_dev; + + *device_ctx = NULL; + + if (!hwaccel) + return 0; + + type = av_hwdevice_find_type_by_name(hwaccel); + if (type == AV_HWDEVICE_TYPE_NONE) + return AVERROR(ENOTSUP); + + ret = vk_renderer_get_hw_dev(vk_renderer, &vk_dev); + if (ret < 0) + return ret; + + ret = av_hwdevice_ctx_create_derived(device_ctx, type, vk_dev, 0); + if (!ret) + return 0; + + if (ret != AVERROR(ENOSYS)) + return ret; + + av_log(NULL, AV_LOG_WARNING, "Derive %s from vulkan not supported.\n", hwaccel); + ret = av_hwdevice_ctx_create(device_ctx, type, NULL, NULL, 0); + return ret; +} + /* open a given stream. Return 0 if OK */ static int stream_component_open(VideoState *is, int stream_index) { @@ -2613,6 +2657,12 @@ static int stream_component_open(VideoState *is, int stream_index) av_dict_set(&opts, "flags", "+copy_opaque", AV_DICT_MULTIKEY); + if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) { + ret = create_hwaccel(&avctx->hw_device_ctx); + if (ret < 0) + goto fail; + } + if ((ret = avcodec_open2(avctx, codec, &opts)) < 0) { goto fail; } @@ -3447,6 +3497,8 @@ static void event_loop(VideoState *cur_stream) SDL_DestroyTexture(cur_stream->vis_texture); cur_stream->vis_texture = NULL; } + if (vk_renderer) + vk_renderer_resize(vk_renderer, screen_width, screen_height); case SDL_WINDOWEVENT_EXPOSED: cur_stream->force_refresh = 1; } @@ -3611,6 +3663,9 @@ static const OptionDef options[] = { { "find_stream_info", OPT_BOOL | OPT_INPUT | OPT_EXPERT, { &find_stream_info }, "read and decode the streams to fill missing information with heuristics" }, { "filter_threads", HAS_ARG | OPT_INT | OPT_EXPERT, { &filter_nbthreads }, "number of filter threads per graph" }, + { "enable_vulkan", OPT_BOOL, { &enable_vulkan }, "enable vulkan renderer" }, + { "vulkan_params", HAS_ARG | OPT_STRING | OPT_EXPERT, { &vulkan_params }, "vulkan configuration using a list of key=value pairs separated by ':'" }, + { "hwaccel", HAS_ARG | OPT_STRING | OPT_EXPERT, { &hwaccel }, "use HW accelerated decoding" }, { NULL, }, }; @@ -3725,9 +3780,40 @@ int main(int argc, char **argv) #ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0"); #endif + if (hwaccel && !enable_vulkan) { + av_log(NULL, AV_LOG_INFO, "Enable vulkan renderer to support hwaccel %s\n", hwaccel); + enable_vulkan = 1; + } + if (enable_vulkan) { + vk_renderer = vk_get_renderer(); + if (vk_renderer) { +#if SDL_VERSION_ATLEAST(2, 0, 6) + flags |= SDL_WINDOW_VULKAN; +#endif + } else { + av_log(NULL, AV_LOG_WARNING, "Doesn't support vulkan renderer, fallback to SDL renderer\n"); + enable_vulkan = 0; + } + } window = SDL_CreateWindow(program_name, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, default_width, default_height, flags); SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "linear"); - if (window) { + if (!window) { + av_log(NULL, AV_LOG_FATAL, "Failed to create window: %s", SDL_GetError()); + do_exit(NULL); + } + + if (vk_renderer) { + AVDictionary *dict = NULL; + + if (vulkan_params) + av_dict_parse_string(&dict, vulkan_params, "=", ":", 0); + ret = vk_renderer_create(vk_renderer, window, dict); + av_dict_free(&dict); + if (ret < 0) { + av_log(NULL, AV_LOG_FATAL, "Failed to create vulkan renderer, %s\n", av_err2str(ret)); + do_exit(NULL); + } + } else { renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); if (!renderer) { av_log(NULL, AV_LOG_WARNING, "Failed to initialize a hardware accelerated renderer: %s\n", SDL_GetError()); @@ -3737,10 +3823,10 @@ int main(int argc, char **argv) if (!SDL_GetRendererInfo(renderer, &renderer_info)) av_log(NULL, AV_LOG_VERBOSE, "Initialized %s renderer.\n", renderer_info.name); } - } - if (!window || !renderer || !renderer_info.num_texture_formats) { - av_log(NULL, AV_LOG_FATAL, "Failed to create window or renderer: %s", SDL_GetError()); - do_exit(NULL); + if (!renderer || !renderer_info.num_texture_formats) { + av_log(NULL, AV_LOG_FATAL, "Failed to create window or renderer: %s", SDL_GetError()); + do_exit(NULL); + } } } diff --git a/fftools/ffplay_renderer.c b/fftools/ffplay_renderer.c new file mode 100644 index 0000000000..f25796133e --- /dev/null +++ b/fftools/ffplay_renderer.c @@ -0,0 +1,809 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#define VK_NO_PROTOTYPES +#define VK_ENABLE_BETA_EXTENSIONS + +#include "config.h" +#include "ffplay_renderer.h" + +#define HAVE_VULKAN_RENDERER (SDL_VERSION_ATLEAST(2, 0, 6) && CONFIG_LIBPLACEBO) + +#if HAVE_VULKAN_RENDERER + +#if defined(_WIN32) && !defined(VK_USE_PLATFORM_WIN32_KHR) +#define VK_USE_PLATFORM_WIN32_KHR +#endif + +#include <libplacebo/vulkan.h> +#include <libplacebo/utils/frame_queue.h> +#include <libplacebo/utils/libav.h> +#include <SDL_vulkan.h> + +#include "libavutil/bprint.h" + +#endif + +struct VkRenderer { + const AVClass *class; + + int (*create)(VkRenderer *renderer, SDL_Window *window, AVDictionary *dict); + + int (*get_hw_dev)(VkRenderer *renderer, AVBufferRef **dev); + + int (*display)(VkRenderer *renderer, AVFrame *frame); + + int (*resize)(VkRenderer *renderer, int width, int height); + + void (*destroy)(VkRenderer *renderer); +}; + +#if HAVE_VULKAN_RENDERER + +typedef struct RendererContext { + VkRenderer api; + + // Can be NULL when vulkan instance is created by avutil + pl_vk_inst placebo_instance; + pl_vulkan placebo_vulkan; + pl_swapchain swapchain; + VkSurfaceKHR vk_surface; + pl_renderer renderer; + pl_tex tex[4]; + + pl_log vk_log; + + AVBufferRef *hw_device_ref; + AVBufferRef *hw_frame_ref; + enum AVPixelFormat *transfer_formats; + AVHWFramesConstraints *constraints; + + PFN_vkGetInstanceProcAddr get_proc_addr; + // This field is a copy from pl_vk_inst->instance or hw_device_ref instance. + VkInstance inst; + + AVFrame *vk_frame; +} RendererContext; + +static void vk_log_cb(void *log_priv, enum pl_log_level level, + const char *msg) +{ + static const int level_map[] = { + AV_LOG_QUIET, + AV_LOG_FATAL, + AV_LOG_ERROR, + AV_LOG_WARNING, + AV_LOG_INFO, + AV_LOG_DEBUG, + AV_LOG_TRACE, + }; + + if (level > 0 && level < FF_ARRAY_ELEMS(level_map)) + av_log(log_priv, level_map[level], "%s\n", msg); +} + +// Should keep sync with optional_device_exts inside hwcontext_vulkan.c +static const char *optional_device_exts[] = { + /* Misc or required by other extensions */ + VK_KHR_PORTABILITY_SUBSET_EXTENSION_NAME, + VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME, + VK_KHR_SAMPLER_YCBCR_CONVERSION_EXTENSION_NAME, + VK_EXT_DESCRIPTOR_BUFFER_EXTENSION_NAME, + VK_EXT_PHYSICAL_DEVICE_DRM_EXTENSION_NAME, + VK_EXT_SHADER_ATOMIC_FLOAT_EXTENSION_NAME, + VK_KHR_COOPERATIVE_MATRIX_EXTENSION_NAME, + + /* Imports/exports */ + VK_KHR_EXTERNAL_MEMORY_FD_EXTENSION_NAME, + VK_EXT_EXTERNAL_MEMORY_DMA_BUF_EXTENSION_NAME, + VK_EXT_IMAGE_DRM_FORMAT_MODIFIER_EXTENSION_NAME, + VK_KHR_EXTERNAL_SEMAPHORE_FD_EXTENSION_NAME, + VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME, +#ifdef _WIN32 + VK_KHR_EXTERNAL_MEMORY_WIN32_EXTENSION_NAME, + VK_KHR_EXTERNAL_SEMAPHORE_WIN32_EXTENSION_NAME, +#endif + + /* Video encoding/decoding */ + VK_KHR_VIDEO_QUEUE_EXTENSION_NAME, + VK_KHR_VIDEO_DECODE_QUEUE_EXTENSION_NAME, + VK_KHR_VIDEO_DECODE_H264_EXTENSION_NAME, + VK_KHR_VIDEO_DECODE_H265_EXTENSION_NAME, + "VK_MESA_video_decode_av1", +}; + +static inline int enable_debug(AVDictionary *opt) +{ + AVDictionaryEntry *entry = av_dict_get(opt, "debug", NULL, 0); + int debug = entry && strtol(entry->value, NULL, 10); + return debug; +} + +static void hwctx_lock_queue(void *priv, uint32_t qf, uint32_t qidx) +{ + AVHWDeviceContext *avhwctx = priv; + const AVVulkanDeviceContext *hwctx = avhwctx->hwctx; + hwctx->lock_queue(avhwctx, qf, qidx); +} + +static void hwctx_unlock_queue(void *priv, uint32_t qf, uint32_t qidx) +{ + AVHWDeviceContext *avhwctx = priv; + const AVVulkanDeviceContext *hwctx = avhwctx->hwctx; + hwctx->unlock_queue(avhwctx, qf, qidx); +} + +static int add_instance_extension(const char **ext, unsigned num_ext, + const AVDictionary *opt, + AVDictionary **dict) +{ + const char *inst_ext_key = "instance_extensions"; + AVDictionaryEntry *entry; + AVBPrint buf; + char *ext_list = NULL; + int ret; + + av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC); + for (int i = 0; i < num_ext; i++) { + if (i) + av_bprintf(&buf, "+%s", ext[i]); + else + av_bprintf(&buf, "%s", ext[i]); + } + + entry = av_dict_get(opt, inst_ext_key, NULL, 0); + if (entry && entry->value && entry->value[0]) { + if (num_ext) + av_bprintf(&buf, "+"); + av_bprintf(&buf, "%s", entry->value); + } + + ret = av_bprint_finalize(&buf, &ext_list); + if (ret < 0) + return ret; + return av_dict_set(dict, inst_ext_key, ext_list, AV_DICT_DONT_STRDUP_VAL); +} + +static int add_device_extension(const AVDictionary *opt, + AVDictionary **dict) +{ + const char *dev_ext_key = "device_extensions"; + AVDictionaryEntry *entry; + AVBPrint buf; + char *ext_list = NULL; + int ret; + + av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC); + av_bprintf(&buf, "%s", VK_KHR_SWAPCHAIN_EXTENSION_NAME); + for (int i = 0; i < pl_vulkan_num_recommended_extensions; i++) + av_bprintf(&buf, "+%s", pl_vulkan_recommended_extensions[i]); + + entry = av_dict_get(opt, dev_ext_key, NULL, 0); + if (entry && entry->value && entry->value[0]) + av_bprintf(&buf, "+%s", entry->value); + + ret = av_bprint_finalize(&buf, &ext_list); + if (ret < 0) + return ret; + return av_dict_set(dict, dev_ext_key, ext_list, AV_DICT_DONT_STRDUP_VAL); +} + +static int create_vk_by_hwcontext(VkRenderer *renderer, + const char **ext, unsigned num_ext, + const AVDictionary *opt) +{ + RendererContext *ctx = (RendererContext *) renderer; + AVHWDeviceContext *dev; + AVVulkanDeviceContext *hwctx; + AVDictionary *dict = NULL; + int ret; + + ret = add_instance_extension(ext, num_ext, opt, &dict); + if (ret < 0) + return ret; + ret = add_device_extension(opt, &dict); + if (ret) { + av_dict_free(&dict); + return ret; + } + + ret = av_hwdevice_ctx_create(&ctx->hw_device_ref, AV_HWDEVICE_TYPE_VULKAN, + NULL, dict, 0); + av_dict_free(&dict); + if (ret < 0) + return ret; + + dev = (AVHWDeviceContext *) ctx->hw_device_ref->data; + hwctx = dev->hwctx; + + ctx->get_proc_addr = hwctx->get_proc_addr; + ctx->inst = hwctx->inst; + ctx->placebo_vulkan = pl_vulkan_import(ctx->vk_log, + pl_vulkan_import_params( + .instance = hwctx->inst, + .get_proc_addr = hwctx->get_proc_addr, + .phys_device = hwctx->phys_dev, + .device = hwctx->act_dev, + .extensions = hwctx->enabled_dev_extensions, + .num_extensions = hwctx->nb_enabled_dev_extensions, + .features = &hwctx->device_features, + .lock_queue = hwctx_lock_queue, + .unlock_queue = hwctx_unlock_queue, + .queue_ctx = dev, + .queue_graphics = { + .index = hwctx->queue_family_index, + .count = hwctx->nb_graphics_queues, + }, + .queue_compute = { + .index = hwctx->queue_family_comp_index, + .count = hwctx->nb_comp_queues, + }, + .queue_transfer = { + .index = hwctx->queue_family_tx_index, + .count = hwctx->nb_tx_queues, + }, + )); + if (!ctx->placebo_vulkan) + return AVERROR_EXTERNAL; + + return 0; +} + +static void placebo_lock_queue(struct AVHWDeviceContext *dev_ctx, + uint32_t queue_family, uint32_t index) +{ + RendererContext *ctx = dev_ctx->user_opaque; + pl_vulkan vk = ctx->placebo_vulkan; + vk->lock_queue(vk, queue_family, index); +} + +static void placebo_unlock_queue(struct AVHWDeviceContext *dev_ctx, + uint32_t queue_family, + uint32_t index) +{ + RendererContext *ctx = dev_ctx->user_opaque; + pl_vulkan vk = ctx->placebo_vulkan; + vk->unlock_queue(vk, queue_family, index); +} + +static int get_decode_queue(VkRenderer *renderer, int *index, int *count) +{ + RendererContext *ctx = (RendererContext *) renderer; + VkQueueFamilyProperties *queue_family_prop = NULL; + uint32_t num_queue_family_prop = 0; + PFN_vkGetPhysicalDeviceQueueFamilyProperties get_queue_family_prop; + PFN_vkGetInstanceProcAddr get_proc_addr = ctx->get_proc_addr; + + *index = -1; + *count = 0; + get_queue_family_prop = (PFN_vkGetPhysicalDeviceQueueFamilyProperties) + get_proc_addr(ctx->placebo_instance->instance, + "vkGetPhysicalDeviceQueueFamilyProperties"); + get_queue_family_prop(ctx->placebo_vulkan->phys_device, + &num_queue_family_prop, NULL); + if (!num_queue_family_prop) + return AVERROR_EXTERNAL; + + queue_family_prop = av_calloc(num_queue_family_prop, + sizeof(*queue_family_prop)); + if (!queue_family_prop) + return AVERROR(ENOMEM); + + get_queue_family_prop(ctx->placebo_vulkan->phys_device, + &num_queue_family_prop, + queue_family_prop); + + for (int i = 0; i < num_queue_family_prop; i++) { + if (queue_family_prop[i].queueFlags & VK_QUEUE_VIDEO_DECODE_BIT_KHR) { + *index = i; + *count = queue_family_prop[i].queueCount; + break; + } + } + av_free(queue_family_prop); + + return 0; +} + +static int create_vk_by_placebo(VkRenderer *renderer, + const char **ext, unsigned num_ext, + const AVDictionary *opt) +{ + RendererContext *ctx = (RendererContext *) renderer; + AVHWDeviceContext *device_ctx; + AVVulkanDeviceContext *vk_dev_ctx; + int decode_index; + int decode_count; + int ret; + + ctx->get_proc_addr = SDL_Vulkan_GetVkGetInstanceProcAddr(); + + ctx->placebo_instance = pl_vk_inst_create(ctx->vk_log, pl_vk_inst_params( + .get_proc_addr = ctx->get_proc_addr, + .debug = enable_debug(opt), + .extensions = ext, + .num_extensions = num_ext + )); + if (!ctx->placebo_instance) { + return AVERROR_EXTERNAL; + } + ctx->inst = ctx->placebo_instance->instance; + + ctx->placebo_vulkan = pl_vulkan_create(ctx->vk_log, pl_vulkan_params( + .instance = ctx->placebo_instance->instance, + .get_proc_addr = ctx->placebo_instance->get_proc_addr, + .surface = ctx->vk_surface, + .allow_software = false, + .opt_extensions = optional_device_exts, + .num_opt_extensions = FF_ARRAY_ELEMS(optional_device_exts), + .extra_queues = VK_QUEUE_VIDEO_DECODE_BIT_KHR, + )); + if (!ctx->placebo_vulkan) + return AVERROR_EXTERNAL; + ctx->hw_device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VULKAN); + if (!ctx->hw_device_ref) { + return AVERROR(ENOMEM); + } + + device_ctx = (AVHWDeviceContext *) ctx->hw_device_ref->data; + device_ctx->user_opaque = ctx; + + vk_dev_ctx = device_ctx->hwctx; + vk_dev_ctx->lock_queue = placebo_lock_queue, + vk_dev_ctx->unlock_queue = placebo_unlock_queue; + + vk_dev_ctx->get_proc_addr = ctx->placebo_instance->get_proc_addr; + + vk_dev_ctx->inst = ctx->placebo_instance->instance; + vk_dev_ctx->phys_dev = ctx->placebo_vulkan->phys_device; + vk_dev_ctx->act_dev = ctx->placebo_vulkan->device; + + vk_dev_ctx->device_features = *ctx->placebo_vulkan->features; + + vk_dev_ctx->enabled_inst_extensions = ctx->placebo_instance->extensions; + vk_dev_ctx->nb_enabled_inst_extensions = ctx->placebo_instance->num_extensions; + + vk_dev_ctx->enabled_dev_extensions = ctx->placebo_vulkan->extensions; + vk_dev_ctx->nb_enabled_dev_extensions = ctx->placebo_vulkan->num_extensions; + + vk_dev_ctx->queue_family_index = ctx->placebo_vulkan->queue_graphics.index; + vk_dev_ctx->nb_graphics_queues = ctx->placebo_vulkan->queue_graphics.count; + + vk_dev_ctx->queue_family_tx_index = ctx->placebo_vulkan->queue_transfer.index; + vk_dev_ctx->nb_tx_queues = ctx->placebo_vulkan->queue_transfer.count; + + vk_dev_ctx->queue_family_comp_index = ctx->placebo_vulkan->queue_compute.index; + vk_dev_ctx->nb_comp_queues = ctx->placebo_vulkan->queue_compute.count; + + ret = get_decode_queue(renderer, &decode_index, &decode_count); + if (ret < 0) + return ret; + + vk_dev_ctx->queue_family_decode_index = decode_index; + vk_dev_ctx->nb_decode_queues = decode_count; + + ret = av_hwdevice_ctx_init(ctx->hw_device_ref); + if (ret < 0) + return ret; + + return 0; +} + +static int create(VkRenderer *renderer, SDL_Window *window, AVDictionary *opt) +{ + int ret = 0; + unsigned num_ext = 0; + const char **ext = NULL; + int w, h; + struct pl_log_params vk_log_params = { + .log_cb = vk_log_cb, + .log_level = PL_LOG_DEBUG, + .log_priv = renderer, + }; + RendererContext *ctx = (RendererContext *) renderer; + AVDictionaryEntry *entry; + + ctx->vk_log = pl_log_create(PL_API_VER, &vk_log_params); + + if (!SDL_Vulkan_GetInstanceExtensions(window, &num_ext, NULL)) { + av_log(NULL, AV_LOG_FATAL, "Failed to get vulkan extensions: %s\n", + SDL_GetError()); + return AVERROR_EXTERNAL; + } + + ext = av_calloc(num_ext, sizeof(*ext)); + if (!ext) { + ret = AVERROR(ENOMEM); + goto out; + } + + SDL_Vulkan_GetInstanceExtensions(window, &num_ext, ext); + + entry = av_dict_get(opt, "create_by_placebo", NULL, 0); + if (entry && strtol(entry->value, NULL, 10)) + ret = create_vk_by_placebo(renderer, ext, num_ext, opt); + else + ret = create_vk_by_hwcontext(renderer, ext, num_ext, opt); + if (ret < 0) + goto out; + + if (!SDL_Vulkan_CreateSurface(window, ctx->inst, &ctx->vk_surface)) { + ret = AVERROR_EXTERNAL; + goto out; + } + + ctx->swapchain = pl_vulkan_create_swapchain( + ctx->placebo_vulkan, + pl_vulkan_swapchain_params( + .surface = ctx->vk_surface, + .present_mode = VK_PRESENT_MODE_FIFO_KHR)); + if (!ctx->swapchain) { + ret = AVERROR_EXTERNAL; + goto out; + } + + SDL_Vulkan_GetDrawableSize(window, &w, &h); + pl_swapchain_resize(ctx->swapchain, &w, &h); + + ctx->renderer = pl_renderer_create(ctx->vk_log, ctx->placebo_vulkan->gpu); + if (!ctx->renderer) { + ret = AVERROR_EXTERNAL; + goto out; + } + + ctx->vk_frame = av_frame_alloc(); + if (!ctx->vk_frame) { + ret = AVERROR(ENOMEM); + goto out; + } + + ret = 0; + +out: + av_free(ext); + return ret; +} + +static int get_hw_dev(VkRenderer *renderer, AVBufferRef **dev) +{ + RendererContext *ctx = (RendererContext *) renderer; + + *dev = ctx->hw_device_ref; + return 0; +} + +static int create_hw_frame(VkRenderer *renderer, AVFrame *frame) +{ + RendererContext *ctx = (RendererContext *) renderer; + AVHWFramesContext *src_hw_frame = (AVHWFramesContext *) + frame->hw_frames_ctx->data; + AVHWFramesContext *hw_frame; + AVVulkanFramesContext *vk_frame_ctx; + int ret; + + if (ctx->hw_frame_ref) { + hw_frame = (AVHWFramesContext *) ctx->hw_frame_ref->data; + + if (hw_frame->width == frame->width && + hw_frame->height == frame->height && + hw_frame->sw_format == src_hw_frame->sw_format) + return 0; + + av_buffer_unref(&ctx->hw_frame_ref); + } + + if (!ctx->constraints) { + ctx->constraints = av_hwdevice_get_hwframe_constraints( + ctx->hw_device_ref, NULL); + if (!ctx->constraints) + return AVERROR(ENOMEM); + } + + // Check constraints and skip create hwframe. Don't take it as error since + // we can fallback to memory copy from GPU to CPU. + if ((ctx->constraints->max_width && + ctx->constraints->max_width < frame->width) || + (ctx->constraints->max_height && + ctx->constraints->max_height < frame->height) || + (ctx->constraints->min_width && + ctx->constraints->min_width > frame->width) || + (ctx->constraints->min_height && + ctx->constraints->min_height > frame->height)) + return 0; + + if (ctx->constraints->valid_sw_formats) { + enum AVPixelFormat *sw_formats = ctx->constraints->valid_sw_formats; + while (*sw_formats != AV_PIX_FMT_NONE) { + if (*sw_formats == src_hw_frame->sw_format) + break; + sw_formats++; + } + if (*sw_formats == AV_PIX_FMT_NONE) + return 0; + } + + ctx->hw_frame_ref = av_hwframe_ctx_alloc(ctx->hw_device_ref); + if (!ctx->hw_frame_ref) + return AVERROR(ENOMEM); + + hw_frame = (AVHWFramesContext *) ctx->hw_frame_ref->data; + hw_frame->format = AV_PIX_FMT_VULKAN; + hw_frame->sw_format = src_hw_frame->sw_format; + hw_frame->width = frame->width; + hw_frame->height = frame->height; + + if (frame->format == AV_PIX_FMT_CUDA) { + vk_frame_ctx = hw_frame->hwctx; + vk_frame_ctx->flags = AV_VK_FRAME_FLAG_DISABLE_MULTIPLANE; + } + + ret = av_hwframe_ctx_init(ctx->hw_frame_ref); + if (ret < 0) { + av_log(renderer, AV_LOG_ERROR, "Create hwframe context failed, %s\n", + av_err2str(ret)); + return ret; + } + + av_hwframe_transfer_get_formats(ctx->hw_frame_ref, + AV_HWFRAME_TRANSFER_DIRECTION_TO, + &ctx->transfer_formats, 0); + + return 0; +} + +static inline int check_hw_transfer(RendererContext *ctx, AVFrame *frame) +{ + if (!ctx->hw_frame_ref || !ctx->transfer_formats) + return 0; + + for (int i = 0; ctx->transfer_formats[i] != AV_PIX_FMT_NONE; i++) + if (ctx->transfer_formats[i] == frame->format) + return 1; + + return 0; +} + +static inline int move_to_output_frame(RendererContext *ctx, AVFrame *frame) +{ + int ret = av_frame_copy_props(ctx->vk_frame, frame); + if (ret < 0) + return ret; + av_frame_unref(frame); + av_frame_move_ref(frame, ctx->vk_frame); + return 0; +} + +static int map_frame(VkRenderer *renderer, AVFrame *frame, int use_hw_frame) +{ + RendererContext *ctx = (RendererContext *) renderer; + int ret; + + if (use_hw_frame && !ctx->hw_frame_ref) + return AVERROR(ENOSYS); + + // Try map data first + av_frame_unref(ctx->vk_frame); + if (use_hw_frame) { + ctx->vk_frame->hw_frames_ctx = av_buffer_ref(ctx->hw_frame_ref); + ctx->vk_frame->format = AV_PIX_FMT_VULKAN; + } + ret = av_hwframe_map(ctx->vk_frame, frame, 0); + if (!ret) + return move_to_output_frame(ctx, frame); + + if (ret != AVERROR(ENOSYS)) + av_log(NULL, AV_LOG_FATAL, "Map frame failed: %s\n", av_err2str(ret)); + return ret; +} + +static int transfer_frame(VkRenderer *renderer, AVFrame *frame, int use_hw_frame) +{ + RendererContext *ctx = (RendererContext *) renderer; + int ret; + + if (use_hw_frame && !check_hw_transfer(ctx, frame)) + return AVERROR(ENOSYS); + + av_frame_unref(ctx->vk_frame); + if (use_hw_frame) + av_hwframe_get_buffer(ctx->hw_frame_ref, ctx->vk_frame, 0); + ret = av_hwframe_transfer_data(ctx->vk_frame, frame, 1); + if (!ret) + return move_to_output_frame(ctx, frame); + + if (ret != AVERROR(ENOSYS)) + av_log(NULL, AV_LOG_FATAL, "Transfer frame failed: %s\n", + av_err2str(ret)); + return ret; +} + +static int convert_frame(VkRenderer *renderer, AVFrame *frame) +{ + int ret; + + if (!frame->hw_frames_ctx) + return 0; + + if (frame->format == AV_PIX_FMT_VULKAN) + return 0; + + ret = create_hw_frame(renderer, frame); + if (ret < 0) + return ret; + + for (int use_hw = 1; use_hw >=0; use_hw--) { + ret = map_frame(renderer, frame, use_hw); + if (!ret) + return 0; + if (ret != AVERROR(ENOSYS)) + return ret; + + ret = transfer_frame(renderer, frame, use_hw); + if (!ret) + return 0; + if (ret != AVERROR(ENOSYS)) + return ret; + } + + return ret; +} + +static int display(VkRenderer *renderer, AVFrame *frame) +{ + struct pl_swapchain_frame swap_frame = {0}; + struct pl_frame pl_frame = {0}; + struct pl_frame target = {0}; + RendererContext *ctx = (RendererContext *) renderer; + int ret = 0; + + ret = convert_frame(renderer, frame); + if (ret < 0) + return ret; + + if (!pl_map_avframe_ex(ctx->placebo_vulkan->gpu, &pl_frame, pl_avframe_params( + .frame = frame, + .tex = ctx->tex))) { + av_log(NULL, AV_LOG_ERROR, "pl_map_avframe_ex failed\n"); + return AVERROR_EXTERNAL; + } + + if (!pl_swapchain_start_frame(ctx->swapchain, &swap_frame)) { + av_log(NULL, AV_LOG_ERROR, "start frame failed\n"); + ret = AVERROR_EXTERNAL; + goto out; + } + + pl_frame_from_swapchain(&target, &swap_frame); + if (!pl_render_image(ctx->renderer, &pl_frame, &target, + &pl_render_default_params)) { + av_log(NULL, AV_LOG_ERROR, "pl_render_image failed\n"); + ret = AVERROR_EXTERNAL; + goto out; + } + + if (!pl_swapchain_submit_frame(ctx->swapchain)) { + av_log(NULL, AV_LOG_ERROR, "pl_swapchain_submit_frame failed\n"); + ret = AVERROR_EXTERNAL; + goto out; + } + pl_swapchain_swap_buffers(ctx->swapchain); + +out: + pl_unmap_avframe(ctx->placebo_vulkan->gpu, &pl_frame); + return ret; +} + +static int resize(VkRenderer *renderer, int width, int height) +{ + RendererContext *ctx = (RendererContext *) renderer; + + if (!pl_swapchain_resize(ctx->swapchain, &width, &height)) + return AVERROR_EXTERNAL; + return 0; +} + +static void destroy(VkRenderer *renderer) +{ + RendererContext *ctx = (RendererContext *) renderer; + PFN_vkDestroySurfaceKHR vkDestroySurfaceKHR; + + av_frame_free(&ctx->vk_frame); + av_freep(&ctx->transfer_formats); + av_hwframe_constraints_free(&ctx->constraints); + av_buffer_unref(&ctx->hw_frame_ref); + + if (ctx->placebo_vulkan) { + for (int i = 0; i < FF_ARRAY_ELEMS(ctx->tex); i++) + pl_tex_destroy(ctx->placebo_vulkan->gpu, &ctx->tex[i]); + pl_renderer_destroy(&ctx->renderer); + pl_swapchain_destroy(&ctx->swapchain); + pl_vulkan_destroy(&ctx->placebo_vulkan); + } + + if (ctx->vk_surface) { + vkDestroySurfaceKHR = (PFN_vkDestroySurfaceKHR) + ctx->get_proc_addr(ctx->inst, "vkDestroySurfaceKHR"); + vkDestroySurfaceKHR(ctx->inst, ctx->vk_surface, NULL); + ctx->vk_surface = NULL; + } + + av_buffer_unref(&ctx->hw_device_ref); + pl_vk_inst_destroy(&ctx->placebo_instance); + + pl_log_destroy(&ctx->vk_log); +} + +static const AVClass vulkan_renderer_class = { + .class_name = "Vulkan Renderer", + .item_name = av_default_item_name, + .version = LIBAVUTIL_VERSION_INT, +}; + +VkRenderer *vk_get_renderer(void) +{ + RendererContext *ctx = av_mallocz(sizeof(*ctx)); + VkRenderer *renderer; + + if (!ctx) + return NULL; + + renderer = &ctx->api; + renderer->class = &vulkan_renderer_class; + renderer->get_hw_dev = get_hw_dev; + renderer->create = create; + renderer->display = display; + renderer->resize = resize; + renderer->destroy = destroy; + + return renderer; +} + +#else + +VkRenderer *vk_get_renderer(void) +{ + return NULL; +} + +#endif + +int vk_renderer_create(VkRenderer *renderer, SDL_Window *window, + AVDictionary *opt) +{ + return renderer->create(renderer, window, opt); +} + +int vk_renderer_get_hw_dev(VkRenderer *renderer, AVBufferRef **dev) +{ + return renderer->get_hw_dev(renderer, dev); +} + +int vk_renderer_display(VkRenderer *renderer, AVFrame *frame) +{ + return renderer->display(renderer, frame); +} + +int vk_renderer_resize(VkRenderer *renderer, int width, int height) +{ + return renderer->resize(renderer, width, height); +} + +void vk_renderer_destroy(VkRenderer *renderer) +{ + renderer->destroy(renderer); +} diff --git a/fftools/ffplay_renderer.h b/fftools/ffplay_renderer.h new file mode 100644 index 0000000000..dd8e9c06e7 --- /dev/null +++ b/fftools/ffplay_renderer.h @@ -0,0 +1,41 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef FFTOOLS_FFPLAY_RENDERER_H +#define FFTOOLS_FFPLAY_RENDERER_H + +#include <SDL.h> + +#include "libavutil/frame.h" + +typedef struct VkRenderer VkRenderer; + +VkRenderer *vk_get_renderer(void); + +int vk_renderer_create(VkRenderer *renderer, SDL_Window *window, + AVDictionary *opt); + +int vk_renderer_get_hw_dev(VkRenderer *renderer, AVBufferRef **dev); + +int vk_renderer_display(VkRenderer *renderer, AVFrame *frame); + +int vk_renderer_resize(VkRenderer *renderer, int width, int height); + +void vk_renderer_destroy(VkRenderer *renderer); + +#endif /* FFTOOLS_FFPLAY_RENDERER_H */ -- 2.34.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".