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Code Issues Releases Activity

avcodec/cfhdenc: add gbrap12 pixel format support

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This commit is contained in:
Paul B Mahol 2020-08-08 19:40:34 +02:00
parent 8d48e8d251
commit 0a8742a1e6
1 changed files with 39 additions and 5 deletions
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44
libavcodec/cfhdenc.c
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@ -235,6 +235,7 @@ typedef struct CFHDEncContext {
uint16_t lut[1024];
Runbook rb[321];
Codebook cb[513];
int16_t *alpha;
} CFHDEncContext;
static av_cold int cfhd_encode_init(AVCodecContext *avctx)
@ -355,6 +356,10 @@ static av_cold int cfhd_encode_init(AVCodecContext *avctx)
s->lut[i] = last;
}
s->alpha = av_calloc(avctx->width * avctx->height, sizeof(*s->alpha));
if (!s->alpha)
return AVERROR(ENOMEM);
return 0;
}
@ -418,6 +423,27 @@ static int put_runcode(PutBitContext *pb, int count, const Runbook *const rb)
return 0;
}
static void process_alpha(const int16_t *src, int width, int height, ptrdiff_t stride, int16_t *dst)
{
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
int alpha = src[j];
if (alpha > 0 && alpha < 4080) {
alpha *= 223;
alpha += 128;
alpha >>= 8;
alpha += 256;
}
dst[j] = av_clip_uintp2(alpha, 12);
}
src += stride;
dst += width;
}
}
static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
@ -428,9 +454,9 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const Runbook *const rb = s->rb;
const uint16_t *lut = s->lut;
unsigned pos;
int ret = 0;
int ret;
for (int plane = 0; plane < s->planes && !ret; plane++) {
for (int plane = 0; plane < s->planes; plane++) {
int width = s->plane[plane].band[2][0].width;
int a_width = s->plane[plane].band[2][0].a_width;
int height = s->plane[plane].band[2][0].height;
@ -438,9 +464,16 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int16_t *input = (int16_t *)frame->data[act_plane];
int16_t *low = s->plane[plane].l_h[6];
int16_t *high = s->plane[plane].l_h[7];
const ptrdiff_t in_stride = frame->linesize[act_plane] / 2;
ptrdiff_t in_stride = frame->linesize[act_plane] / 2;
int low_stride, high_stride;
if (plane == 3) {
process_alpha(input, avctx->width, avctx->height,
in_stride, s->alpha);
input = s->alpha;
in_stride = avctx->width;
}
for (int i = 0; i < height * 2; i++) {
horiz_filter(input, low, high, width * 2);
input += in_stride;
@ -590,7 +623,7 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
bytestream2_put_be16(pby, s->planes);
bytestream2_put_be16(pby, EncodedFormat);
bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 1 : 3);
bytestream2_put_be16(pby, avctx->pix_fmt == AV_PIX_FMT_YUV422P10 ? 1 : 3 + (s->planes == 4));
bytestream2_put_be16(pby, WaveletCount);
bytestream2_put_be16(pby, 3);
@ -676,7 +709,7 @@ static int cfhd_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
for (int l = 0; l < 3; l++) {
for (int i = 0; i < 3; i++) {
s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[avctx->pix_fmt != AV_PIX_FMT_YUV422P10][p][s->quality][l * 3 + i];
s->plane[p].quantization[1 + l * 3 + i] = quantization_per_subband[avctx->pix_fmt != AV_PIX_FMT_YUV422P10][p >= 3 ? 0 : p][s->quality][l * 3 + i];
}
}
@ -875,6 +908,7 @@ AVCodec ff_cfhd_encoder = {
.pix_fmts = (const enum AVPixelFormat[]) {
AV_PIX_FMT_YUV422P10,
AV_PIX_FMT_GBRP12,
AV_PIX_FMT_GBRAP12,
AV_PIX_FMT_NONE
},
};