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Code Issues Releases Activity

ffv1enc: do not hardcode 1024 slices

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Instead use a field where possible and the defined constant when not.

Tested by using 4096 slices.
This commit is contained in:
Lynne
2025-05-30 01:19:06 +09:00
parent 75960ac270
commit ab37c7e49f
1 changed files with 21 additions and 12 deletions
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33
libavcodec/ffv1enc_vulkan.c
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@ -1012,6 +1012,7 @@ static int init_rct_search_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
{
int err;
VulkanEncodeFFv1Context *fv = avctx->priv_data;
FFV1Context *f = &fv->ctx;
FFVulkanShader *shd = &fv->rct_search;
FFVulkanDescriptorSetBinding *desc_set;
@ -1075,7 +1076,8 @@ static int init_rct_search_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
.name = "slice_data_buf",
.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.buf_content = "SliceContext slice_ctx[1024];",
.buf_content = "SliceContext slice_ctx",
.buf_elems = f->max_slice_count,
},
{
.name = "src",
@ -1109,6 +1111,7 @@ static int init_setup_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
{
int err;
VulkanEncodeFFv1Context *fv = avctx->priv_data;
FFV1Context *f = &fv->ctx;
FFVulkanShader *shd = &fv->setup;
FFVulkanDescriptorSetBinding *desc_set;
@ -1158,7 +1161,8 @@ static int init_setup_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
.name = "slice_data_buf",
.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.buf_content = "SliceContext slice_ctx[1024];",
.buf_content = "SliceContext slice_ctx",
.buf_elems = f->max_slice_count,
},
{
.name = "src",
@ -1192,6 +1196,7 @@ static int init_reset_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
{
int err;
VulkanEncodeFFv1Context *fv = avctx->priv_data;
FFV1Context *f = &fv->ctx;
FFVulkanShader *shd = &fv->reset;
FFVulkanDescriptorSetBinding *desc_set;
@ -1254,7 +1259,8 @@ static int init_reset_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.mem_quali = "readonly",
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.buf_content = "SliceContext slice_ctx[1024];",
.buf_content = "SliceContext slice_ctx",
.buf_elems = f->max_slice_count,
},
};
RET(ff_vk_shader_add_descriptor_set(&fv->s, shd, desc_set, 1, 0, 0));
@ -1278,6 +1284,7 @@ static int init_encode_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
{
int err;
VulkanEncodeFFv1Context *fv = avctx->priv_data;
FFV1Context *f = &fv->ctx;
FFVulkanShader *shd = &fv->enc;
FFVulkanDescriptorSetBinding *desc_set;
@ -1339,7 +1346,8 @@ static int init_encode_shader(AVCodecContext *avctx, FFVkSPIRVCompiler *spv)
.name = "slice_data_buf",
.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.buf_content = "SliceContext slice_ctx[1024];",
.buf_content = "SliceContext slice_ctx",
.buf_elems = f->max_slice_count,
},
{
.name = "src",
@ -1483,22 +1491,24 @@ static av_cold int vulkan_encode_ffv1_init(AVCodecContext *avctx)
f->num_v_slices = 32;
}
} else if (f->num_h_slices && f->num_v_slices <= 0) {
f->num_v_slices = 1024 / f->num_h_slices;
f->num_v_slices = MAX_SLICES / f->num_h_slices;
} else if (f->num_v_slices && f->num_h_slices <= 0) {
f->num_h_slices = 1024 / f->num_v_slices;
f->num_h_slices = MAX_SLICES / f->num_v_slices;
}
f->num_h_slices = FFMIN(f->num_h_slices, avctx->width);
f->num_v_slices = FFMIN(f->num_v_slices, avctx->height);
if (f->num_h_slices * f->num_v_slices > 1024) {
if (f->num_h_slices * f->num_v_slices > MAX_SLICES) {
av_log(avctx, AV_LOG_ERROR, "Too many slices (%i), maximum supported "
"by the standard is 1024\n",
f->num_h_slices * f->num_v_slices);
"by the standard is %i\n",
f->num_h_slices * f->num_v_slices, MAX_SLICES);
return AVERROR_PATCHWELCOME;
}
}
f->max_slice_count = f->num_h_slices * f->num_v_slices;
if ((err = ff_ffv1_write_extradata(avctx)) < 0)
return err;
@ -1707,7 +1717,6 @@ static av_cold int vulkan_encode_ffv1_init(AVCodecContext *avctx)
for (int i = 0; i < fv->async_depth; i++)
fv->exec_pool.contexts[i].opaque = &fv->exec_ctx_info[i];
f->max_slice_count = f->num_h_slices * f->num_v_slices;
fv->buf_regions = av_malloc_array(f->max_slice_count, sizeof(*fv->buf_regions));
if (!fv->buf_regions)
return AVERROR(ENOMEM);
@ -1783,9 +1792,9 @@ static const AVOption vulkan_encode_ffv1_options[] = {
{ .i64 = QTABLE_GT8BIT }, INT_MIN, INT_MAX, VE, .unit = "qtable" },
{ "slices_h", "Number of horizontal slices", OFFSET(num_h_slices), AV_OPT_TYPE_INT,
{ .i64 = -1 }, -1, 1024, VE },
{ .i64 = -1 }, -1, MAX_SLICES, VE },
{ "slices_v", "Number of vertical slices", OFFSET(num_v_slices), AV_OPT_TYPE_INT,
{ .i64 = -1 }, -1, 1024, VE },
{ .i64 = -1 }, -1, MAX_SLICES, VE },
{ "force_pcm", "Code all slices with no prediction", OFFSET(force_pcm), AV_OPT_TYPE_BOOL,
{ .i64 = 0 }, 0, 1, VE },