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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-12-25 22:17:24 +02:00

dpxdec: add a Vulkan hwaccel

This commit is contained in:
Lynne
2025-10-29 15:27:47 +01:00
parent a9acae202a
commit 531ce713a0
9 changed files with 638 additions and 0 deletions

2
configure vendored
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@@ -3262,6 +3262,8 @@ av1_videotoolbox_hwaccel_deps="videotoolbox"
av1_videotoolbox_hwaccel_select="av1_decoder"
av1_vulkan_hwaccel_deps="vulkan"
av1_vulkan_hwaccel_select="av1_decoder"
dpx_vulkan_hwaccel_deps="vulkan spirv_compiler"
dpx_vulkan_hwaccel_select="dpx_decoder"
ffv1_vulkan_hwaccel_deps="vulkan spirv_compiler"
ffv1_vulkan_hwaccel_select="ffv1_decoder"
h263_vaapi_hwaccel_deps="vaapi"

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@@ -1050,6 +1050,7 @@ OBJS-$(CONFIG_AV1_VAAPI_HWACCEL) += vaapi_av1.o
OBJS-$(CONFIG_AV1_VDPAU_HWACCEL) += vdpau_av1.o
OBJS-$(CONFIG_AV1_VIDEOTOOLBOX_HWACCEL) += videotoolbox_av1.o
OBJS-$(CONFIG_AV1_VULKAN_HWACCEL) += vulkan_decode.o vulkan_av1.o
OBJS-$(CONFIG_DPX_VULKAN_HWACCEL) += vulkan_decode.o vulkan_dpx.o
OBJS-$(CONFIG_FFV1_VULKAN_HWACCEL) += vulkan_decode.o ffv1_vulkan.o vulkan_ffv1.o
OBJS-$(CONFIG_H263_VAAPI_HWACCEL) += vaapi_mpeg4.o
OBJS-$(CONFIG_H263_VIDEOTOOLBOX_HWACCEL) += videotoolbox.o

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@@ -837,7 +837,12 @@ const FFCodec ff_dpx_decoder = {
.close = decode_end,
UPDATE_THREAD_CONTEXT(update_thread_context),
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP |
FF_CODEC_CAP_SKIP_FRAME_FILL_PARAM,
.hw_configs = (const AVCodecHWConfigInternal *const []) {
#if CONFIG_DPX_VULKAN_HWACCEL
HWACCEL_VULKAN(dpx),
#endif
NULL
},
};

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@@ -28,6 +28,7 @@ extern const struct FFHWAccel ff_av1_vaapi_hwaccel;
extern const struct FFHWAccel ff_av1_vdpau_hwaccel;
extern const struct FFHWAccel ff_av1_videotoolbox_hwaccel;
extern const struct FFHWAccel ff_av1_vulkan_hwaccel;
extern const struct FFHWAccel ff_dpx_vulkan_hwaccel;
extern const struct FFHWAccel ff_ffv1_vulkan_hwaccel;
extern const struct FFHWAccel ff_h263_vaapi_hwaccel;
extern const struct FFHWAccel ff_h263_videotoolbox_hwaccel;

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@@ -23,6 +23,10 @@ OBJS-$(CONFIG_PRORES_VULKAN_HWACCEL) += vulkan/common.o \
vulkan/prores_vld.o \
vulkan/prores_idct.o
OBJS-$(CONFIG_DPX_VULKAN_HWACCEL) += vulkan/common.o \
vulkan/dpx_unpack.o \
vulkan/dpx_copy.o
VULKAN = $(subst $(SRC_PATH)/,,$(wildcard $(SRC_PATH)/libavcodec/vulkan/*.comp))
.SECONDARY: $(VULKAN:.comp=.c)
libavcodec/vulkan/%.c: TAG = VULKAN

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@@ -0,0 +1,51 @@
/*
* Copyright (c) 2025 Lynne <dev@lynne.ee>
*
* 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
*/
TYPE read_data(uint off)
{
#ifdef BIG_ENDIAN
return TYPE_REVERSE(data[off]);
#else
return data[off];
#endif
}
void main(void)
{
ivec2 pos = ivec2(gl_GlobalInvocationID.xy);
if (!IS_WITHIN(pos, imageSize(dst[0])))
return;
uint offs = (pos.y*imageSize(dst[0]).x + pos.x)*COMPONENTS;
#if NB_IMAGES == 1
TYPE_VEC val;
for (int i = 0; i < COMPONENTS; i++)
val[i] = read_data(offs + i);
val >>= SHIFT;
imageStore(dst[0], pos, val);
#else
const ivec4 fmt_lut = ivec4(2, 0, 1, 3);
for (int i = 0; i < COMPONENTS; i++) {
TYPE val = read_data(offs + i);
val >>= SHIFT;
imageStore(dst[fmt_lut[i]], pos, TYPE_VEC(val));
}
#endif
}

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@@ -0,0 +1,83 @@
/*
* Copyright (c) 2025 Lynne <dev@lynne.ee>
*
* 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
*/
uint32_t read_data(uint off)
{
#ifdef BIG_ENDIAN
return reverse4(data[off]);
#else
return data[off];
#endif
}
#ifdef PACKED_10BIT
i16vec4 parse_packed_in_32(ivec2 pos, int stride)
{
uint32_t d = read_data(pos.y*stride + pos.x);
i16vec4 v;
d = d << 10 | d >> 22 & 0x3FFFFF;
v[0] = int16_t(d & 0x3FF);
d = d << 10 | d >> 22 & 0x3FFFFF;
v[1] = int16_t(d & 0x3FF);
d = d << 10 | d >> 22 & 0x3FFFFF;
v[2] = int16_t(d & 0x3FF);
v[3] = int16_t(0);
return v;
}
#else
i16vec4 parse_packed_in_32(ivec2 pos, int stride)
{
uint line_off = pos.y*(stride*BITS_PER_COMP*COMPONENTS +
(need_align << 3));
uint pix_off = pos.x*BITS_PER_COMP*COMPONENTS;
uint off = (line_off + pix_off >> 5);
uint bit = pix_off & 0x1f;
uint32_t d0 = read_data(off + 0);
uint32_t d1 = read_data(off + 1);
uint64_t combined = (uint64_t(d1) << 32) | d0;
combined >>= bit;
return i16vec4(combined,
combined >> (BITS_PER_COMP*1),
combined >> (BITS_PER_COMP*2),
combined >> (BITS_PER_COMP*3)) &
int16_t((1 << BITS_PER_COMP) - 1);
}
#endif
void main(void)
{
ivec2 pos = ivec2(gl_GlobalInvocationID.xy);
if (!IS_WITHIN(pos, imageSize(dst[0])))
return;
i16vec4 p = parse_packed_in_32(pos, imageSize(dst[0]).x);
#if NB_IMAGES == 1
imageStore(dst[0], pos, p);
#else
const ivec4 fmt_lut = COMPONENTS == 1 ? ivec4(0) : ivec4(2, 0, 1, 3);
for (uint i = 0; i < COMPONENTS; i++)
imageStore(dst[fmt_lut[i]], pos, i16vec4(p[i]));
#endif
}

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@@ -26,6 +26,7 @@
#define DECODER_IS_SDR(codec_id) \
(((codec_id) == AV_CODEC_ID_FFV1) || \
((codec_id) == AV_CODEC_ID_DPX) || \
((codec_id) == AV_CODEC_ID_PRORES_RAW) || \
((codec_id) == AV_CODEC_ID_PRORES))
@@ -50,6 +51,9 @@ extern const FFVulkanDecodeDescriptor ff_vk_dec_prores_raw_desc;
#if CONFIG_PRORES_VULKAN_HWACCEL
extern const FFVulkanDecodeDescriptor ff_vk_dec_prores_desc;
#endif
#if CONFIG_DPX_VULKAN_HWACCEL
extern const FFVulkanDecodeDescriptor ff_vk_dec_dpx_desc;
#endif
static const FFVulkanDecodeDescriptor *dec_descs[] = {
#if CONFIG_H264_VULKAN_HWACCEL
@@ -73,6 +77,9 @@ static const FFVulkanDecodeDescriptor *dec_descs[] = {
#if CONFIG_PRORES_VULKAN_HWACCEL
&ff_vk_dec_prores_desc,
#endif
#if CONFIG_DPX_VULKAN_HWACCEL
&ff_vk_dec_dpx_desc,
#endif
};
typedef struct FFVulkanDecodeProfileData {
@@ -1117,10 +1124,19 @@ int ff_vk_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
/* This should be more efficient for downloading and using */
frames_ctx->sw_format = AV_PIX_FMT_RGBA64;
break;
case AV_PIX_FMT_RGB48LE:
case AV_PIX_FMT_RGB48BE: /* DPX outputs RGB48BE, so we need both */
/* Almost nothing supports native 3-component RGB */
frames_ctx->sw_format = AV_PIX_FMT_GBRP16;
break;
case AV_PIX_FMT_RGBA64BE: /* DPX again, fix for little-endian systems */
frames_ctx->sw_format = AV_PIX_FMT_RGBA64;
break;
case AV_PIX_FMT_GBRP10:
/* This saves memory bandwidth when downloading */
frames_ctx->sw_format = AV_PIX_FMT_X2BGR10;
break;
case AV_PIX_FMT_RGB24:
case AV_PIX_FMT_BGR0:
/* mpv has issues with bgr0 mapping, so just remap it */
frames_ctx->sw_format = AV_PIX_FMT_RGB0;

475
libavcodec/vulkan_dpx.c Normal file
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@@ -0,0 +1,475 @@
/*
* Copyright (c) 2025 Lynne <dev@lynne.ee>
*
* 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
*/
#include "vulkan_decode.h"
#include "hwaccel_internal.h"
#include "dpx.h"
#include "libavutil/vulkan_spirv.h"
#include "libavutil/mem.h"
extern const char *ff_source_common_comp;
extern const char *ff_source_dpx_unpack_comp;
extern const char *ff_source_dpx_copy_comp;
const FFVulkanDecodeDescriptor ff_vk_dec_dpx_desc = {
.codec_id = AV_CODEC_ID_DPX,
.decode_extension = FF_VK_EXT_PUSH_DESCRIPTOR,
.queue_flags = VK_QUEUE_COMPUTE_BIT,
};
typedef struct DPXVulkanDecodePicture {
FFVulkanDecodePicture vp;
} DPXVulkanDecodePicture;
typedef struct DPXVulkanDecodeContext {
FFVulkanShader shader;
AVBufferPool *frame_data_pool;
} DPXVulkanDecodeContext;
typedef struct DecodePushData {
int stride;
int need_align;
int padded_10bit;
} DecodePushData;
static int host_upoad_image(AVCodecContext *avctx,
FFVulkanDecodeContext *dec, DPXDecContext *dpx,
const uint8_t *src, uint32_t size)
{
int err;
VkImage temp;
FFVulkanDecodeShared *ctx = dec->shared_ctx;
DPXVulkanDecodeContext *dxv = ctx->sd_ctx;
VkPhysicalDeviceLimits *limits = &ctx->s.props.properties.limits;
FFVulkanFunctions *vk = &ctx->s.vkfn;
DPXVulkanDecodePicture *pp = dpx->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &pp->vp;
int unpack = (avctx->bits_per_raw_sample == 12 && !dpx->packing) ||
avctx->bits_per_raw_sample == 10;
if (unpack)
return 0;
VkImageCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
.imageType = VK_IMAGE_TYPE_2D,
.format = avctx->bits_per_raw_sample == 8 ? VK_FORMAT_R8_UINT :
avctx->bits_per_raw_sample == 32 ? VK_FORMAT_R32_UINT :
VK_FORMAT_R16_UINT,
.extent.width = dpx->frame->width*dpx->components,
.extent.height = dpx->frame->height,
.extent.depth = 1,
.mipLevels = 1,
.arrayLayers = 1,
.tiling = VK_IMAGE_TILING_LINEAR,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.usage = VK_IMAGE_USAGE_STORAGE_BIT | VK_IMAGE_USAGE_HOST_TRANSFER_BIT_EXT,
.samples = VK_SAMPLE_COUNT_1_BIT,
.pQueueFamilyIndices = &ctx->qf[0].idx,
.queueFamilyIndexCount = 1,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
};
if (create_info.extent.width >= limits->maxImageDimension2D ||
create_info.extent.height >= limits->maxImageDimension2D)
return 0;
vk->CreateImage(ctx->s.hwctx->act_dev, &create_info, ctx->s.hwctx->alloc,
&temp);
err = ff_vk_get_pooled_buffer(&ctx->s, &dxv->frame_data_pool,
&vp->slices_buf,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT,
NULL, size,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
if (err < 0)
return err;
FFVkBuffer *vkb = (FFVkBuffer *)vp->slices_buf->data;
VkBindImageMemoryInfo bind_info = {
.sType = VK_STRUCTURE_TYPE_BIND_IMAGE_MEMORY_INFO,
.image = temp,
.memory = vkb->mem,
};
vk->BindImageMemory2(ctx->s.hwctx->act_dev, 1, &bind_info);
VkHostImageLayoutTransitionInfo layout_change = {
.sType = VK_STRUCTURE_TYPE_HOST_IMAGE_LAYOUT_TRANSITION_INFO,
.image = temp,
.oldLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.newLayout = VK_IMAGE_LAYOUT_GENERAL,
.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.subresourceRange.layerCount = 1,
.subresourceRange.levelCount = 1,
};
vk->TransitionImageLayoutEXT(ctx->s.hwctx->act_dev, 1, &layout_change);
VkMemoryToImageCopy copy_region = {
.sType = VK_STRUCTURE_TYPE_MEMORY_TO_IMAGE_COPY,
.pHostPointer = src,
.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.imageSubresource.layerCount = 1,
.imageExtent = (VkExtent3D){ dpx->frame->width*dpx->components,
dpx->frame->height,
1 },
};
VkCopyMemoryToImageInfo copy_info = {
.sType = VK_STRUCTURE_TYPE_COPY_MEMORY_TO_IMAGE_INFO,
.flags = VK_HOST_IMAGE_COPY_MEMCPY_BIT_EXT,
.dstImage = temp,
.dstImageLayout = VK_IMAGE_LAYOUT_GENERAL,
.regionCount = 1,
.pRegions = &copy_region,
};
vk->CopyMemoryToImageEXT(ctx->s.hwctx->act_dev, &copy_info);
vk->DestroyImage(ctx->s.hwctx->act_dev, temp, ctx->s.hwctx->alloc);
return 0;
}
static int vk_dpx_start_frame(AVCodecContext *avctx,
const AVBufferRef *buffer_ref,
av_unused const uint8_t *buffer,
av_unused uint32_t size)
{
int err;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
FFVulkanDecodeShared *ctx = dec->shared_ctx;
DPXDecContext *dpx = avctx->priv_data;
DPXVulkanDecodePicture *pp = dpx->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &pp->vp;
if (ctx->s.extensions & FF_VK_EXT_HOST_IMAGE_COPY)
host_upoad_image(avctx, dec, dpx, buffer, size);
/* Host map the frame data if supported */
if (!vp->slices_buf &&
ctx->s.extensions & FF_VK_EXT_EXTERNAL_HOST_MEMORY)
ff_vk_host_map_buffer(&ctx->s, &vp->slices_buf, (uint8_t *)buffer,
buffer_ref,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT);
/* Prepare frame to be used */
err = ff_vk_decode_prepare_frame_sdr(dec, dpx->frame, vp, 1,
FF_VK_REP_NATIVE, 0);
if (err < 0)
return err;
return 0;
}
static int vk_dpx_decode_slice(AVCodecContext *avctx,
const uint8_t *data,
uint32_t size)
{
DPXDecContext *dpx = avctx->priv_data;
DPXVulkanDecodePicture *pp = dpx->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &pp->vp;
if (!vp->slices_buf) {
int err = ff_vk_decode_add_slice(avctx, vp, data, size, 0,
NULL, NULL);
if (err < 0)
return err;
}
return 0;
}
static int vk_dpx_end_frame(AVCodecContext *avctx)
{
int err;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
FFVulkanDecodeShared *ctx = dec->shared_ctx;
FFVulkanFunctions *vk = &ctx->s.vkfn;
DPXDecContext *dpx = avctx->priv_data;
DPXVulkanDecodeContext *dxv = ctx->sd_ctx;
DPXVulkanDecodePicture *pp = dpx->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &pp->vp;
FFVkBuffer *slices_buf = (FFVkBuffer *)vp->slices_buf->data;
VkImageMemoryBarrier2 img_bar[8];
int nb_img_bar = 0;
FFVkExecContext *exec = ff_vk_exec_get(&ctx->s, &ctx->exec_pool);
ff_vk_exec_start(&ctx->s, exec);
/* Prepare deps */
RET(ff_vk_exec_add_dep_frame(&ctx->s, exec, dpx->frame,
VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT));
err = ff_vk_exec_mirror_sem_value(&ctx->s, exec, &vp->sem, &vp->sem_value,
dpx->frame);
if (err < 0)
return err;
RET(ff_vk_exec_add_dep_buf(&ctx->s, exec, &vp->slices_buf, 1, 0));
vp->slices_buf = NULL;
AVVkFrame *vkf = (AVVkFrame *)dpx->frame->data[0];
for (int i = 0; i < 4; i++) {
vkf->layout[i] = VK_IMAGE_LAYOUT_UNDEFINED;
vkf->access[i] = VK_ACCESS_2_NONE;
}
ff_vk_frame_barrier(&ctx->s, exec, dpx->frame, img_bar, &nb_img_bar,
VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT,
VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT,
VK_IMAGE_LAYOUT_GENERAL,
VK_QUEUE_FAMILY_IGNORED);
vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) {
.sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO,
.pImageMemoryBarriers = img_bar,
.imageMemoryBarrierCount = nb_img_bar,
});
nb_img_bar = 0;
FFVulkanShader *shd = &dxv->shader;
ff_vk_shader_update_img_array(&ctx->s, exec, shd,
dpx->frame, vp->view.out,
0, 0,
VK_IMAGE_LAYOUT_GENERAL,
VK_NULL_HANDLE);
ff_vk_shader_update_desc_buffer(&ctx->s, exec, shd,
0, 1, 0,
slices_buf,
0, slices_buf->size,
VK_FORMAT_UNDEFINED);
ff_vk_exec_bind_shader(&ctx->s, exec, shd);
/* Update push data */
DecodePushData pd = (DecodePushData) {
.stride = dpx->stride,
.need_align = dpx->need_align,
.padded_10bit = !dpx->unpadded_10bit,
};
ff_vk_shader_update_push_const(&ctx->s, exec, shd,
VK_SHADER_STAGE_COMPUTE_BIT,
0, sizeof(pd), &pd);
vk->CmdDispatch(exec->buf,
FFALIGN(dpx->frame->width, shd->lg_size[0])/shd->lg_size[0],
FFALIGN(dpx->frame->height, shd->lg_size[1])/shd->lg_size[1],
1);
err = ff_vk_exec_submit(&ctx->s, exec);
if (err < 0)
return err;
fail:
return 0;
}
static int init_shader(AVCodecContext *avctx, FFVulkanContext *s,
FFVkExecPool *pool, FFVkSPIRVCompiler *spv,
FFVulkanShader *shd, int bits)
{
int err;
DPXDecContext *dpx = avctx->priv_data;
FFVulkanDescriptorSetBinding *desc_set;
AVHWFramesContext *dec_frames_ctx;
dec_frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
int planes = av_pix_fmt_count_planes(dec_frames_ctx->sw_format);
uint8_t *spv_data;
size_t spv_len;
void *spv_opaque = NULL;
RET(ff_vk_shader_init(s, shd, "dpx",
VK_SHADER_STAGE_COMPUTE_BIT,
(const char *[]) { "GL_EXT_buffer_reference",
"GL_EXT_buffer_reference2" }, 2,
512, 1, 1,
0));
/* Common codec header */
GLSLD(ff_source_common_comp);
GLSLC(0, layout(push_constant, scalar) uniform pushConstants { );
GLSLC(1, int stride; );
GLSLC(1, int need_align; );
GLSLC(1, int padded_10bit; );
GLSLC(0, }; );
GLSLC(0, );
ff_vk_shader_add_push_const(shd, 0, sizeof(DecodePushData),
VK_SHADER_STAGE_COMPUTE_BIT);
int unpack = (avctx->bits_per_raw_sample == 12 && !dpx->packing) ||
avctx->bits_per_raw_sample == 10;
desc_set = (FFVulkanDescriptorSetBinding []) {
{
.name = "dst",
.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.dimensions = 2,
.mem_quali = "writeonly",
.mem_layout = ff_vk_shader_rep_fmt(dec_frames_ctx->sw_format,
FF_VK_REP_NATIVE),
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
},
{
.name = "data_buf",
.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.mem_quali = "readonly",
.buf_content = (unpack || bits == 32) ? "uint32_t data[];" :
bits == 8 ? "uint8_t data[];" : "uint16_t data[];",
},
};
RET(ff_vk_shader_add_descriptor_set(s, shd, desc_set, 2, 0, 0));
if (dpx->endian)
GLSLC(0, #define BIG_ENDIAN );
GLSLF(0, #define COMPONENTS (%i) ,dpx->components);
GLSLF(0, #define BITS_PER_COMP (%i) ,bits);
GLSLF(0, #define NB_IMAGES (%i) ,planes);
if (unpack) {
if (bits == 10)
GLSLC(0, #define PACKED_10BIT );
GLSLD(ff_source_dpx_unpack_comp);
} else {
GLSLF(0, #define SHIFT (%i) ,FFALIGN(bits, 8) - bits);
GLSLF(0, #define TYPE uint%i_t ,FFALIGN(bits, 8));
GLSLF(0, #define TYPE_VEC u%ivec4 ,FFALIGN(bits, 8));
GLSLF(0, #define TYPE_REVERSE(x) (reverse%i(x)), FFALIGN(bits, 8)/8);
GLSLD(ff_source_dpx_copy_comp);
}
RET(spv->compile_shader(s, spv, shd, &spv_data, &spv_len, "main",
&spv_opaque));
RET(ff_vk_shader_link(s, shd, spv_data, spv_len, "main"));
RET(ff_vk_shader_register_exec(s, pool, shd));
fail:
if (spv_opaque)
spv->free_shader(spv, &spv_opaque);
return err;
}
static void vk_decode_dpx_uninit(FFVulkanDecodeShared *ctx)
{
DPXVulkanDecodeContext *fv = ctx->sd_ctx;
ff_vk_shader_free(&ctx->s, &fv->shader);
av_buffer_pool_uninit(&fv->frame_data_pool);
av_freep(&fv);
}
static int vk_decode_dpx_init(AVCodecContext *avctx)
{
int err;
DPXDecContext *dpx = avctx->priv_data;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
switch (dpx->pix_fmt) {
case AV_PIX_FMT_GRAY10:
case AV_PIX_FMT_GRAY12:
case AV_PIX_FMT_GBRAP10:
case AV_PIX_FMT_GBRAP12:
case AV_PIX_FMT_UYVY422:
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUVA444P:
return AVERROR(ENOTSUP);
case AV_PIX_FMT_GBRP10:
if (dpx->unpadded_10bit)
return AVERROR(ENOTSUP);
/* fallthrough */
default:
break;
}
FFVkSPIRVCompiler *spv = ff_vk_spirv_init();
if (!spv) {
av_log(avctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
return AVERROR_EXTERNAL;
}
err = ff_vk_decode_init(avctx);
if (err < 0)
return err;
FFVulkanDecodeShared *ctx = dec->shared_ctx;
DPXVulkanDecodeContext *dxv = ctx->sd_ctx = av_mallocz(sizeof(*dxv));
if (!dxv) {
err = AVERROR(ENOMEM);
goto fail;
}
ctx->sd_ctx_free = &vk_decode_dpx_uninit;
RET(init_shader(avctx, &ctx->s, &ctx->exec_pool,
spv, &dxv->shader, avctx->bits_per_raw_sample));
fail:
spv->uninit(&spv);
return err;
}
static void vk_dpx_free_frame_priv(AVRefStructOpaque _hwctx, void *data)
{
AVHWDeviceContext *dev_ctx = _hwctx.nc;
DPXVulkanDecodePicture *pp = data;
FFVulkanDecodePicture *vp = &pp->vp;
ff_vk_decode_free_frame(dev_ctx, vp);
}
const FFHWAccel ff_dpx_vulkan_hwaccel = {
.p.name = "dpx_vulkan",
.p.type = AVMEDIA_TYPE_VIDEO,
.p.id = AV_CODEC_ID_DPX,
.p.pix_fmt = AV_PIX_FMT_VULKAN,
.start_frame = &vk_dpx_start_frame,
.decode_slice = &vk_dpx_decode_slice,
.end_frame = &vk_dpx_end_frame,
.free_frame_priv = &vk_dpx_free_frame_priv,
.frame_priv_data_size = sizeof(DPXVulkanDecodePicture),
.init = &vk_decode_dpx_init,
.update_thread_context = &ff_vk_update_thread_context,
.decode_params = &ff_vk_params_invalidate,
.flush = &ff_vk_decode_flush,
.uninit = &ff_vk_decode_uninit,
.frame_params = &ff_vk_frame_params,
.priv_data_size = sizeof(FFVulkanDecodeContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE | HWACCEL_CAP_THREAD_SAFE,
};