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transpose_vulkan: add passthrough option 

The following command is on how to apply passthrough option:

ffmpeg -init_hw_device vulkan -i input.264 -vf hwupload=extra_hw_frames=16,transpose_vulkan=passthrough=landscape,hwdownload,format=yuv420p output.264

Signed-off-by: Wu Jianhua <jianhua.wu@intel.com>
This commit is contained in:
Wu Jianhua 2022-01-02 22:51:39 +08:00 committed by Lynne
parent b84ce56589
commit c7c37a8f22
1 changed files with 22 additions and 0 deletions
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22
libavfilter/vf_transpose_vulkan.c
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@ -35,6 +35,7 @@ typedef struct TransposeVulkanContext {
VkDescriptorImageInfo output_images[3];
int dir;
int passthrough;
int initialized;
} TransposeVulkanContext;
@ -222,6 +223,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
TransposeVulkanContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
if (s->passthrough)
return ff_filter_frame(outlink, in);
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
err = AVERROR(ENOMEM);
@ -267,6 +271,17 @@ static int config_props_output(AVFilterLink *outlink)
FFVulkanContext *vkctx = &s->vkctx;
AVFilterLink *inlink = avctx->inputs[0];
if ((inlink->w >= inlink->h && s->passthrough == TRANSPOSE_PT_TYPE_LANDSCAPE) ||
(inlink->w <= inlink->h && s->passthrough == TRANSPOSE_PT_TYPE_PORTRAIT)) {
av_log(avctx, AV_LOG_VERBOSE,
"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
inlink->w, inlink->h, inlink->w, inlink->h);
outlink->hw_frames_ctx = av_buffer_ref(inlink->hw_frames_ctx);
return outlink->hw_frames_ctx ? 0 : AVERROR(ENOMEM);
} else {
s->passthrough = TRANSPOSE_PT_TYPE_NONE;
}
vkctx->output_width = inlink->h;
vkctx->output_height = inlink->w;
@ -288,6 +303,13 @@ static const AVOption transpose_vulkan_options[] = {
{ "clock", "rotate clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .flags=FLAGS, .unit = "dir" },
{ "cclock", "rotate counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .flags=FLAGS, .unit = "dir" },
{ "clock_flip", "rotate clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .flags=FLAGS, .unit = "dir" },
{ "passthrough", "do not apply transposition if the input matches the specified geometry",
OFFSET(passthrough), AV_OPT_TYPE_INT, {.i64=TRANSPOSE_PT_TYPE_NONE}, 0, INT_MAX, FLAGS, "passthrough" },
{ "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
{ NULL }
};