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avutil/hwcontext_cuda: use generic size and pointer assignment functions

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This commit is contained in:
Timo Rothenpieler 2018-05-09 21:18:15 +02:00
parent 41a18982d0
commit ece068a771
1 changed files with 15 additions and 67 deletions
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82
libavutil/hwcontext_cuda.c
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@ -24,6 +24,7 @@
#include "mem.h"
#include "pixdesc.h"
#include "pixfmt.h"
#include "imgutils.h"
#define CUDA_FRAME_ALIGNMENT 256
@ -117,7 +118,6 @@ fail:
static int cuda_frames_init(AVHWFramesContext *ctx)
{
CUDAFramesContext *priv = ctx->internal->priv;
int aligned_width = FFALIGN(ctx->width, CUDA_FRAME_ALIGNMENT);
int i;
for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
@ -133,29 +133,9 @@ static int cuda_frames_init(AVHWFramesContext *ctx)
av_pix_fmt_get_chroma_sub_sample(ctx->sw_format, &priv->shift_width, &priv->shift_height);
if (!ctx->pool) {
int size;
switch (ctx->sw_format) {
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_YUV420P:
size = aligned_width * ctx->height * 3 / 2;
break;
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_P010:
case AV_PIX_FMT_P016:
size = aligned_width * ctx->height * 3;
break;
case AV_PIX_FMT_YUV444P16:
size = aligned_width * ctx->height * 6;
break;
case AV_PIX_FMT_0RGB32:
case AV_PIX_FMT_0BGR32:
size = aligned_width * ctx->height * 4;
break;
default:
av_log(ctx, AV_LOG_ERROR, "BUG: Pixel format missing from size calculation.");
return AVERROR_BUG;
}
int size = av_image_get_buffer_size(ctx->sw_format, ctx->width, ctx->height, CUDA_FRAME_ALIGNMENT);
if (size < 0)
return size;
ctx->internal->pool_internal = av_buffer_pool_init2(size, ctx, cuda_pool_alloc, NULL);
if (!ctx->internal->pool_internal)
@ -167,54 +147,22 @@ static int cuda_frames_init(AVHWFramesContext *ctx)
static int cuda_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
{
int aligned_width;
int width_in_bytes = ctx->width;
if (ctx->sw_format == AV_PIX_FMT_P010 ||
ctx->sw_format == AV_PIX_FMT_P016 ||
ctx->sw_format == AV_PIX_FMT_YUV444P16) {
width_in_bytes *= 2;
}
aligned_width = FFALIGN(width_in_bytes, CUDA_FRAME_ALIGNMENT);
int res;
frame->buf[0] = av_buffer_pool_get(ctx->pool);
if (!frame->buf[0])
return AVERROR(ENOMEM);
switch (ctx->sw_format) {
case AV_PIX_FMT_NV12:
case AV_PIX_FMT_P010:
case AV_PIX_FMT_P016:
frame->data[0] = frame->buf[0]->data;
frame->data[1] = frame->data[0] + aligned_width * ctx->height;
frame->linesize[0] = aligned_width;
frame->linesize[1] = aligned_width;
break;
case AV_PIX_FMT_YUV420P:
frame->data[0] = frame->buf[0]->data;
frame->data[2] = frame->data[0] + aligned_width * ctx->height;
frame->data[1] = frame->data[2] + aligned_width * ctx->height / 4;
frame->linesize[0] = aligned_width;
frame->linesize[1] = aligned_width / 2;
frame->linesize[2] = aligned_width / 2;
break;
case AV_PIX_FMT_YUV444P:
case AV_PIX_FMT_YUV444P16:
frame->data[0] = frame->buf[0]->data;
frame->data[1] = frame->data[0] + aligned_width * ctx->height;
frame->data[2] = frame->data[1] + aligned_width * ctx->height;
frame->linesize[0] = aligned_width;
frame->linesize[1] = aligned_width;
frame->linesize[2] = aligned_width;
break;
case AV_PIX_FMT_0BGR32:
case AV_PIX_FMT_0RGB32:
frame->data[0] = frame->buf[0]->data;
frame->linesize[0] = aligned_width * 4;
break;
default:
av_frame_unref(frame);
return AVERROR_BUG;
res = av_image_fill_arrays(frame->data, frame->linesize, frame->buf[0]->data,
ctx->sw_format, ctx->width, ctx->height, CUDA_FRAME_ALIGNMENT);
if (res < 0)
return res;
// YUV420P is a special case.
// Nvenc expects the U/V planes in swapped order from how ffmpeg expects them.
if (ctx->sw_format == AV_PIX_FMT_YUV420P) {
FFSWAP(uint8_t*, frame->data[1], frame->data[2]);
FFSWAP(int, frame->linesize[1], frame->linesize[2]);
}
frame->format = AV_PIX_FMT_CUDA;