[FFmpeg-devel] [PATCH v6] fftools/ffplay: add hwaccel decoding support
Zhao Zhili
quinkblack at foxmail.com
Tue Nov 7 18:45:04 EET 2023
From: Zhao Zhili <zhilizhao at 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
---
v6:
1. check PL_API_VER >= 278
2. check hwctx->get_proc_addr against SDL_Vulkan_GetVkGetInstanceProcAddr()
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 | 824 ++++++++++++++++++++++++++++++++++++++
fftools/ffplay_renderer.h | 41 ++
6 files changed, 971 insertions(+), 6 deletions(-)
create mode 100644 fftools/ffplay_renderer.c
create mode 100644 fftools/ffplay_renderer.h
diff --git a/configure b/configure
index 8ab658f730..80bfa8557c 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.
+ at item -enable_vulkan
+Use vulkan renderer rather than SDL builtin renderer. Depends on libplacebo.
+
+ at item -vulkan_params
+
+Vulkan configuration using a list of @var{key}=@var{value} pairs separated by
+":".
+
+ at 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..a57e4980eb
--- /dev/null
+++ b/fftools/ffplay_renderer.c
@@ -0,0 +1,824 @@
+/*
+ * 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"
+
+#if (SDL_VERSION_ATLEAST(2, 0, 6) && CONFIG_LIBPLACEBO)
+/* Get PL_API_VER */
+#include <libplacebo/config.h>
+#define HAVE_VULKAN_RENDERER (PL_API_VER >= 278)
+#else
+#define HAVE_VULKAN_RENDERER 0
+#endif
+
+#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;
+
+ // There is no way to pass SDL GetInstanceProcAddr to hwdevice.
+ // Check the result and return error if they don't match.
+ if (hwctx->get_proc_addr != SDL_Vulkan_GetVkGetInstanceProcAddr()) {
+ av_log(renderer, AV_LOG_ERROR,
+ "hwdevice and SDL use different get_proc_addr. "
+ "Try -vulkan_params create_by_placebo=1\n");
+ return AVERROR_PATCHWELCOME;
+ }
+
+ 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 */
--
2.42.0
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