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Code Issues Releases Activity

avcodec/ffv1: Support for RGBA64 and GBRAP16

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Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Jérôme Martinez
2018-02-01 13:11:53 +01:00
committed by Michael Niedermayer
parent 204c7caf0d
commit 698d5eb5bf
4 changed files with 41 additions and 12 deletions
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14
libavcodec/ffv1dec.c
View File

@@ -336,14 +336,16 @@ static int decode_slice(AVCodecContext *c, void *arg)
decode_plane(fs, p->data[0] + ps*x + y*p->linesize[0] , width, height, p->linesize[0], 0, 2);
decode_plane(fs, p->data[0] + ps*x + y*p->linesize[0] + 1, width, height, p->linesize[0], 1, 2);
} else if (f->use32bit) {
uint8_t *planes[3] = { p->data[0] + ps * x + y * p->linesize[0],
uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0],
p->data[1] + ps * x + y * p->linesize[1],
p->data[2] + ps * x + y * p->linesize[2] };
p->data[2] + ps * x + y * p->linesize[2],
p->data[3] + ps * x + y * p->linesize[3] };
decode_rgb_frame32(fs, planes, width, height, p->linesize);
} else {
uint8_t *planes[3] = { p->data[0] + ps * x + y * p->linesize[0],
uint8_t *planes[4] = { p->data[0] + ps * x + y * p->linesize[0],
p->data[1] + ps * x + y * p->linesize[1],
p->data[2] + ps * x + y * p->linesize[2] };
p->data[2] + ps * x + y * p->linesize[2],
p->data[3] + ps * x + y * p->linesize[3] };
decode_rgb_frame(fs, planes, width, height, p->linesize);
}
if (fs->ac != AC_GOLOMB_RICE && f->version > 2) {
@@ -694,6 +696,10 @@ static int read_header(FFV1Context *f)
f->avctx->pix_fmt = AV_PIX_FMT_GBRP16;
f->use32bit = 1;
}
else if (f->avctx->bits_per_raw_sample == 16 && f->transparency) {
f->avctx->pix_fmt = AV_PIX_FMT_GBRAP16;
f->use32bit = 1;
}
} else {
av_log(f->avctx, AV_LOG_ERROR, "colorspace not supported\n");
return AVERROR(ENOSYS);

9
libavcodec/ffv1dec_template.c
View File

@@ -107,13 +107,14 @@ static av_always_inline int RENAME(decode_line)(FFV1Context *s, int w,
return 0;
}
static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[3], int w, int h, int stride[3])
static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[4], int w, int h, int stride[4])
{
int x, y, p;
TYPE *sample[4][2];
int lbd = s->avctx->bits_per_raw_sample <= 8;
int bits = s->avctx->bits_per_raw_sample > 0 ? s->avctx->bits_per_raw_sample : 8;
int offset = 1 << bits;
int transparency = s->transparency;
for (x = 0; x < 4; x++) {
sample[x][0] = RENAME(s->sample_buffer) + x * 2 * (w + 6) + 3;
@@ -125,7 +126,7 @@ static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[3], int w, int
memset(RENAME(s->sample_buffer), 0, 8 * (w + 6) * sizeof(*RENAME(s->sample_buffer)));
for (y = 0; y < h; y++) {
for (p = 0; p < 3 + s->transparency; p++) {
for (p = 0; p < 3 + transparency; p++) {
TYPE *temp = sample[p][0]; // FIXME: try a normal buffer
sample[p][0] = sample[p][1];
@@ -158,10 +159,14 @@ static void RENAME(decode_rgb_frame)(FFV1Context *s, uint8_t *src[3], int w, int
*((uint16_t*)(src[0] + x*2 + stride[0]*y)) = g;
*((uint16_t*)(src[1] + x*2 + stride[1]*y)) = b;
*((uint16_t*)(src[2] + x*2 + stride[2]*y)) = r;
if (transparency)
*((uint16_t*)(src[3] + x*2 + stride[3]*y)) = a;
} else {
*((uint16_t*)(src[0] + x*2 + stride[0]*y)) = b;
*((uint16_t*)(src[1] + x*2 + stride[1]*y)) = g;
*((uint16_t*)(src[2] + x*2 + stride[2]*y)) = r;
if (transparency)
*((uint16_t*)(src[3] + x*2 + stride[3]*y)) = a;
}
}
}

16
libavcodec/ffv1enc.c
View File

@@ -624,6 +624,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
s->chroma_planes = 1;
s->bits_per_raw_sample = 8;
break;
case AV_PIX_FMT_RGBA64:
s->colorspace = 1;
s->transparency = 1;
s->chroma_planes = 1;
s->bits_per_raw_sample = 16;
s->use32bit = 1;
s->version = FFMAX(s->version, 1);
break;
case AV_PIX_FMT_RGB48:
s->colorspace = 1;
s->chroma_planes = 1;
@@ -649,10 +657,12 @@ FF_ENABLE_DEPRECATION_WARNINGS
if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
s->bits_per_raw_sample = 14;
case AV_PIX_FMT_GBRP16:
case AV_PIX_FMT_GBRAP16:
if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
s->bits_per_raw_sample = 16;
else if (!s->bits_per_raw_sample)
s->bits_per_raw_sample = avctx->bits_per_raw_sample;
s->transparency = desc->nb_components == 4 || desc->nb_components == 2;
s->colorspace = 1;
s->chroma_planes = 1;
if (s->bits_per_raw_sample >= 16) {
@@ -1024,9 +1034,10 @@ static int encode_slice(AVCodecContext *c, void *arg)
const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step;
int ret;
RangeCoder c_bak = fs->c;
const uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0],
const uint8_t *planes[4] = {p->data[0] + ps*x + y*p->linesize[0],
p->data[1] ? p->data[1] + ps*x + y*p->linesize[1] : NULL,
p->data[2] ? p->data[2] + ps*x + y*p->linesize[2] : NULL};
p->data[2] ? p->data[2] + ps*x + y*p->linesize[2] : NULL,
p->data[3] ? p->data[3] + ps*x + y*p->linesize[3] : NULL};
fs->slice_coding_mode = 0;
if (f->version > 3) {
@@ -1318,6 +1329,7 @@ AVCodec ff_ffv1_encoder = {
AV_PIX_FMT_YA8,
AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12,
AV_PIX_FMT_GBRP16, AV_PIX_FMT_RGB48,
AV_PIX_FMT_GBRAP16, AV_PIX_FMT_RGBA64,
AV_PIX_FMT_NONE
},

14
libavcodec/ffv1enc_template.c
View File

@@ -122,8 +122,8 @@ static av_always_inline int RENAME(encode_line)(FFV1Context *s, int w,
return 0;
}
static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[3],
int w, int h, const int stride[3])
static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[4],
int w, int h, const int stride[4])
{
int x, y, p, i;
const int ring_size = s->context_model ? 3 : 2;
@@ -132,6 +132,8 @@ static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[3],
int packed = !src[1];
int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8;
int offset = 1 << bits;
int transparency = s->transparency;
int packed_size = (3 + transparency)*2;
s->run_index = 0;
@@ -152,14 +154,18 @@ static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[3],
r = (v >> 16) & 0xFF;
a = v >> 24;
} else if (packed) {
const uint16_t *p = ((const uint16_t*)(src[0] + x*6 + stride[0]*y));
const uint16_t *p = ((const uint16_t*)(src[0] + x*packed_size + stride[0]*y));
r = p[0];
g = p[1];
b = p[2];
if (transparency)
a = p[3];
} else if (sizeof(TYPE) == 4) {
g = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
b = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
r = *((const uint16_t *)(src[2] + x*2 + stride[2]*y));
if (transparency)
a = *((const uint16_t *)(src[3] + x*2 + stride[3]*y));
} else {
b = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
g = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
@@ -179,7 +185,7 @@ static int RENAME(encode_rgb_frame)(FFV1Context *s, const uint8_t *src[3],
sample[2][0][x] = r;
sample[3][0][x] = a;
}
for (p = 0; p < 3 + s->transparency; p++) {
for (p = 0; p < 3 + transparency; p++) {
int ret;
sample[p][0][-1] = sample[p][1][0 ];
sample[p][1][ w] = sample[p][1][w-1];