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avfilter/vf_colorchannelmixer: use the name 's' for the pointer to the private context 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
tags/n2.6
Paul B Mahol 11 years ago
parent
67aaa7056d
commit
fca50464dc
1 changed files with 90 additions and 90 deletions
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  1. +90
    -90
      libavfilter/vf_colorchannelmixer.c

+ 90
- 90
libavfilter/vf_colorchannelmixer.c View File

@@ -88,10 +88,10 @@ static int query_formats(AVFilterContext *ctx)
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
ColorChannelMixerContext *cm = ctx->priv;
ColorChannelMixerContext *s = ctx->priv;
int i, j, size, *buffer;

ff_fill_rgba_map(cm->rgba_map, outlink->format);
ff_fill_rgba_map(s->rgba_map, outlink->format);

switch (outlink->format) {
case AV_PIX_FMT_RGB48:
@@ -104,34 +104,34 @@ static int config_output(AVFilterLink *outlink)
size = 256;
}

cm->buffer = buffer = av_malloc(16 * size * sizeof(*cm->buffer));
if (!cm->buffer)
s->buffer = buffer = av_malloc(16 * size * sizeof(*s->buffer));
if (!s->buffer)
return AVERROR(ENOMEM);

for (i = 0; i < 4; i++)
for (j = 0; j < 4; j++, buffer += size)
cm->lut[i][j] = buffer;
s->lut[i][j] = buffer;

for (i = 0; i < size; i++) {
cm->lut[R][R][i] = round(i * cm->rr);
cm->lut[R][G][i] = round(i * cm->rg);
cm->lut[R][B][i] = round(i * cm->rb);
cm->lut[R][A][i] = round(i * cm->ra);
cm->lut[G][R][i] = round(i * cm->gr);
cm->lut[G][G][i] = round(i * cm->gg);
cm->lut[G][B][i] = round(i * cm->gb);
cm->lut[G][A][i] = round(i * cm->ga);
cm->lut[B][R][i] = round(i * cm->br);
cm->lut[B][G][i] = round(i * cm->bg);
cm->lut[B][B][i] = round(i * cm->bb);
cm->lut[B][A][i] = round(i * cm->ba);
cm->lut[A][R][i] = round(i * cm->ar);
cm->lut[A][G][i] = round(i * cm->ag);
cm->lut[A][B][i] = round(i * cm->ab);
cm->lut[A][A][i] = round(i * cm->aa);
s->lut[R][R][i] = round(i * s->rr);
s->lut[R][G][i] = round(i * s->rg);
s->lut[R][B][i] = round(i * s->rb);
s->lut[R][A][i] = round(i * s->ra);
s->lut[G][R][i] = round(i * s->gr);
s->lut[G][G][i] = round(i * s->gg);
s->lut[G][B][i] = round(i * s->gb);
s->lut[G][A][i] = round(i * s->ga);
s->lut[B][R][i] = round(i * s->br);
s->lut[B][G][i] = round(i * s->bg);
s->lut[B][B][i] = round(i * s->bb);
s->lut[B][A][i] = round(i * s->ba);
s->lut[A][R][i] = round(i * s->ar);
s->lut[A][G][i] = round(i * s->ag);
s->lut[A][B][i] = round(i * s->ab);
s->lut[A][A][i] = round(i * s->aa);
}

return 0;
@@ -140,12 +140,12 @@ static int config_output(AVFilterLink *outlink)
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
AVFilterContext *ctx = inlink->dst;
ColorChannelMixerContext *cm = ctx->priv;
ColorChannelMixerContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
const uint8_t roffset = cm->rgba_map[R];
const uint8_t goffset = cm->rgba_map[G];
const uint8_t boffset = cm->rgba_map[B];
const uint8_t aoffset = cm->rgba_map[A];
const uint8_t roffset = s->rgba_map[R];
const uint8_t goffset = s->rgba_map[G];
const uint8_t boffset = s->rgba_map[B];
const uint8_t aoffset = s->rgba_map[A];
const uint8_t *srcrow = in->data[0];
uint8_t *dstrow;
AVFrame *out;
@@ -175,15 +175,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const uint8_t gin = src[j + goffset];
const uint8_t bin = src[j + boffset];

dst[j + roffset] = av_clip_uint8(cm->lut[R][R][rin] +
cm->lut[R][G][gin] +
cm->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint8(cm->lut[G][R][rin] +
cm->lut[G][G][gin] +
cm->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint8(cm->lut[B][R][rin] +
cm->lut[B][G][gin] +
cm->lut[B][B][bin]);
dst[j + roffset] = av_clip_uint8(s->lut[R][R][rin] +
s->lut[R][G][gin] +
s->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint8(s->lut[G][R][rin] +
s->lut[G][G][gin] +
s->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint8(s->lut[B][R][rin] +
s->lut[B][G][gin] +
s->lut[B][B][bin]);
}

srcrow += in->linesize[0];
@@ -203,15 +203,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const uint8_t gin = src[j + goffset];
const uint8_t bin = src[j + boffset];

dst[j + roffset] = av_clip_uint8(cm->lut[R][R][rin] +
cm->lut[R][G][gin] +
cm->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint8(cm->lut[G][R][rin] +
cm->lut[G][G][gin] +
cm->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint8(cm->lut[B][R][rin] +
cm->lut[B][G][gin] +
cm->lut[B][B][bin]);
dst[j + roffset] = av_clip_uint8(s->lut[R][R][rin] +
s->lut[R][G][gin] +
s->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint8(s->lut[G][R][rin] +
s->lut[G][G][gin] +
s->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint8(s->lut[B][R][rin] +
s->lut[B][G][gin] +
s->lut[B][B][bin]);
if (in != out)
dst[j + aoffset] = 0;
}
@@ -234,22 +234,22 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const uint8_t bin = src[j + boffset];
const uint8_t ain = src[j + aoffset];

dst[j + roffset] = av_clip_uint8(cm->lut[R][R][rin] +
cm->lut[R][G][gin] +
cm->lut[R][B][bin] +
cm->lut[R][A][ain]);
dst[j + goffset] = av_clip_uint8(cm->lut[G][R][rin] +
cm->lut[G][G][gin] +
cm->lut[G][B][bin] +
cm->lut[G][A][ain]);
dst[j + boffset] = av_clip_uint8(cm->lut[B][R][rin] +
cm->lut[B][G][gin] +
cm->lut[B][B][bin] +
cm->lut[B][A][ain]);
dst[j + aoffset] = av_clip_uint8(cm->lut[A][R][rin] +
cm->lut[A][G][gin] +
cm->lut[A][B][bin] +
cm->lut[A][A][ain]);
dst[j + roffset] = av_clip_uint8(s->lut[R][R][rin] +
s->lut[R][G][gin] +
s->lut[R][B][bin] +
s->lut[R][A][ain]);
dst[j + goffset] = av_clip_uint8(s->lut[G][R][rin] +
s->lut[G][G][gin] +
s->lut[G][B][bin] +
s->lut[G][A][ain]);
dst[j + boffset] = av_clip_uint8(s->lut[B][R][rin] +
s->lut[B][G][gin] +
s->lut[B][B][bin] +
s->lut[B][A][ain]);
dst[j + aoffset] = av_clip_uint8(s->lut[A][R][rin] +
s->lut[A][G][gin] +
s->lut[A][B][bin] +
s->lut[A][A][ain]);
}

srcrow += in->linesize[0];
@@ -267,15 +267,15 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const uint16_t gin = src[j + goffset];
const uint16_t bin = src[j + boffset];

dst[j + roffset] = av_clip_uint16(cm->lut[R][R][rin] +
cm->lut[R][G][gin] +
cm->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint16(cm->lut[G][R][rin] +
cm->lut[G][G][gin] +
cm->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint16(cm->lut[B][R][rin] +
cm->lut[B][G][gin] +
cm->lut[B][B][bin]);
dst[j + roffset] = av_clip_uint16(s->lut[R][R][rin] +
s->lut[R][G][gin] +
s->lut[R][B][bin]);
dst[j + goffset] = av_clip_uint16(s->lut[G][R][rin] +
s->lut[G][G][gin] +
s->lut[G][B][bin]);
dst[j + boffset] = av_clip_uint16(s->lut[B][R][rin] +
s->lut[B][G][gin] +
s->lut[B][B][bin]);
}

srcrow += in->linesize[0];
@@ -294,22 +294,22 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
const uint16_t bin = src[j + boffset];
const uint16_t ain = src[j + aoffset];

dst[j + roffset] = av_clip_uint16(cm->lut[R][R][rin] +
cm->lut[R][G][gin] +
cm->lut[R][B][bin] +
cm->lut[R][A][ain]);
dst[j + goffset] = av_clip_uint16(cm->lut[G][R][rin] +
cm->lut[G][G][gin] +
cm->lut[G][B][bin] +
cm->lut[G][A][ain]);
dst[j + boffset] = av_clip_uint16(cm->lut[B][R][rin] +
cm->lut[B][G][gin] +
cm->lut[B][B][bin] +
cm->lut[B][A][ain]);
dst[j + aoffset] = av_clip_uint16(cm->lut[A][R][rin] +
cm->lut[A][G][gin] +
cm->lut[A][B][bin] +
cm->lut[A][A][ain]);
dst[j + roffset] = av_clip_uint16(s->lut[R][R][rin] +
s->lut[R][G][gin] +
s->lut[R][B][bin] +
s->lut[R][A][ain]);
dst[j + goffset] = av_clip_uint16(s->lut[G][R][rin] +
s->lut[G][G][gin] +
s->lut[G][B][bin] +
s->lut[G][A][ain]);
dst[j + boffset] = av_clip_uint16(s->lut[B][R][rin] +
s->lut[B][G][gin] +
s->lut[B][B][bin] +
s->lut[B][A][ain]);
dst[j + aoffset] = av_clip_uint16(s->lut[A][R][rin] +
s->lut[A][G][gin] +
s->lut[A][B][bin] +
s->lut[A][A][ain]);
}

srcrow += in->linesize[0];
@@ -324,9 +324,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)

static av_cold void uninit(AVFilterContext *ctx)
{
ColorChannelMixerContext *cm = ctx->priv;
ColorChannelMixerContext *s = ctx->priv;

av_freep(&cm->buffer);
av_freep(&s->buffer);
}

static const AVFilterPad colorchannelmixer_inputs[] = {


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