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https://github.com/FFmpeg/FFmpeg.git
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avfilter/vf_curves: add planar rgb support
This commit is contained in:
Paul B Mahol
parent
bb660800a5
commit
d6e50e0716
@ -70,6 +70,9 @@ typedef struct CurvesContext {
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int step;
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char *plot_filename;
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int is_16bit;
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int depth;
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int (*filter_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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} CurvesContext;
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typedef struct ThreadData {
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@ -209,7 +212,7 @@ static int get_nb_points(const struct keypoint *d)
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* @see http://people.math.sfu.ca/~stockie/teaching/macm316/notes/splines.pdf
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*/
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#define CLIP(v) (nbits == 8 ? av_clip_uint8(v) : av_clip_uint16(v))
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#define CLIP(v) (nbits == 8 ? av_clip_uint8(v) : av_clip_uintp2_c(v, nbits))
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static inline int interpolate(void *log_ctx, uint16_t *y,
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const struct keypoint *points, int nbits)
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@ -341,6 +344,10 @@ static int interpolate##nbits(void *log_ctx, uint16_t *y, \
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}
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DECLARE_INTERPOLATE_FUNC(8)
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DECLARE_INTERPOLATE_FUNC(9)
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DECLARE_INTERPOLATE_FUNC(10)
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DECLARE_INTERPOLATE_FUNC(12)
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DECLARE_INTERPOLATE_FUNC(14)
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DECLARE_INTERPOLATE_FUNC(16)
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static int parse_psfile(AVFilterContext *ctx, const char *fname)
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@ -512,6 +519,12 @@ static int query_formats(AVFilterContext *ctx)
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AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
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AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
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AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
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AV_PIX_FMT_GBRP9,
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AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
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AV_PIX_FMT_GBRP14,
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AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
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AV_PIX_FMT_NONE
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};
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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@ -520,66 +533,7 @@ static int query_formats(AVFilterContext *ctx)
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return ff_set_common_formats(ctx, fmts_list);
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}
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static int config_input(AVFilterLink *inlink)
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{
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int i, j, ret;
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AVFilterContext *ctx = inlink->dst;
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CurvesContext *curves = ctx->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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char **pts = curves->comp_points_str;
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struct keypoint *comp_points[NB_COMP + 1] = {0};
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ff_fill_rgba_map(curves->rgba_map, inlink->format);
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curves->is_16bit = desc->comp[0].depth > 8;
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curves->lut_size = curves->is_16bit ? 1<<16 : 1<<8;
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curves->step = av_get_padded_bits_per_pixel(desc) >> (3 + curves->is_16bit);
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for (i = 0; i < NB_COMP + 1; i++) {
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curves->graph[i] = av_mallocz_array(curves->lut_size, sizeof(*curves->graph[0]));
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if (!curves->graph[i])
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return AVERROR(ENOMEM);
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ret = parse_points_str(ctx, comp_points + i, curves->comp_points_str[i], curves->lut_size);
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if (ret < 0)
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return ret;
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if (curves->is_16bit) ret = interpolate16(ctx, curves->graph[i], comp_points[i]);
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else ret = interpolate8(ctx, curves->graph[i], comp_points[i]);
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if (ret < 0)
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return ret;
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}
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if (pts[NB_COMP]) {
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for (i = 0; i < NB_COMP; i++)
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for (j = 0; j < curves->lut_size; j++)
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curves->graph[i][j] = curves->graph[NB_COMP][curves->graph[i][j]];
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}
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if (av_log_get_level() >= AV_LOG_VERBOSE) {
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for (i = 0; i < NB_COMP; i++) {
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const struct keypoint *point = comp_points[i];
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av_log(ctx, AV_LOG_VERBOSE, "#%d points:", i);
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while (point) {
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av_log(ctx, AV_LOG_VERBOSE, " (%f;%f)", point->x, point->y);
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point = point->next;
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}
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}
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}
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if (curves->plot_filename)
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dump_curves(curves->plot_filename, curves->graph, comp_points, curves->lut_size);
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for (i = 0; i < NB_COMP + 1; i++) {
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struct keypoint *point = comp_points[i];
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while (point) {
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struct keypoint *next = point->next;
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av_free(point);
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point = next;
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}
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}
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return 0;
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}
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static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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static int filter_slice_packed(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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int x, y;
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const CurvesContext *curves = ctx->priv;
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@ -627,9 +581,143 @@ static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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return 0;
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}
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static int filter_slice_planar(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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int x, y;
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const CurvesContext *curves = ctx->priv;
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const ThreadData *td = arg;
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const AVFrame *in = td->in;
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const AVFrame *out = td->out;
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const int direct = out == in;
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const int step = curves->step;
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const uint8_t r = curves->rgba_map[R];
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const uint8_t g = curves->rgba_map[G];
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const uint8_t b = curves->rgba_map[B];
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const uint8_t a = curves->rgba_map[A];
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const int slice_start = (in->height * jobnr ) / nb_jobs;
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const int slice_end = (in->height * (jobnr+1)) / nb_jobs;
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if (curves->is_16bit) {
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for (y = slice_start; y < slice_end; y++) {
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uint16_t *dstrp = ( uint16_t *)(out->data[r] + y * out->linesize[r]);
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uint16_t *dstgp = ( uint16_t *)(out->data[g] + y * out->linesize[g]);
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uint16_t *dstbp = ( uint16_t *)(out->data[b] + y * out->linesize[b]);
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uint16_t *dstap = ( uint16_t *)(out->data[a] + y * out->linesize[a]);
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const uint16_t *srcrp = (const uint16_t *)(in ->data[r] + y * in->linesize[r]);
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const uint16_t *srcgp = (const uint16_t *)(in ->data[g] + y * in->linesize[g]);
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const uint16_t *srcbp = (const uint16_t *)(in ->data[b] + y * in->linesize[b]);
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const uint16_t *srcap = (const uint16_t *)(in ->data[a] + y * in->linesize[a]);
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for (x = 0; x < in->width; x++) {
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dstrp[x] = curves->graph[R][srcrp[x]];
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dstgp[x] = curves->graph[G][srcgp[x]];
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dstbp[x] = curves->graph[B][srcbp[x]];
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if (!direct && step == 4)
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dstap[x] = srcap[x];
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}
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}
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} else {
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uint8_t *dstr = out->data[r] + slice_start * out->linesize[r];
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uint8_t *dstg = out->data[g] + slice_start * out->linesize[g];
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uint8_t *dstb = out->data[b] + slice_start * out->linesize[b];
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uint8_t *dsta = out->data[a] + slice_start * out->linesize[a];
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const uint8_t *srcr = in->data[r] + slice_start * in->linesize[r];
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const uint8_t *srcg = in->data[g] + slice_start * in->linesize[g];
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const uint8_t *srcb = in->data[b] + slice_start * in->linesize[b];
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const uint8_t *srca = in->data[a] + slice_start * in->linesize[a];
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for (y = slice_start; y < slice_end; y++) {
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for (x = 0; x < in->width; x++) {
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dstr[x] = curves->graph[R][srcr[x]];
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dstg[x] = curves->graph[G][srcg[x]];
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dstb[x] = curves->graph[B][srcb[x]];
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if (!direct && step == 4)
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dsta[x] = srca[x];
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}
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dstr += out->linesize[r];
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dstg += out->linesize[g];
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dstb += out->linesize[b];
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dsta += out->linesize[a];
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srcr += in ->linesize[r];
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srcg += in ->linesize[g];
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srcb += in ->linesize[b];
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srca += in ->linesize[a];
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}
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}
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return 0;
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}
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static int config_input(AVFilterLink *inlink)
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{
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int i, j, ret;
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AVFilterContext *ctx = inlink->dst;
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CurvesContext *curves = ctx->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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char **pts = curves->comp_points_str;
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struct keypoint *comp_points[NB_COMP + 1] = {0};
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ff_fill_rgba_map(curves->rgba_map, inlink->format);
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curves->is_16bit = desc->comp[0].depth > 8;
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curves->depth = desc->comp[0].depth;
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curves->lut_size = 1 << curves->depth;
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curves->step = av_get_padded_bits_per_pixel(desc) >> (3 + curves->is_16bit);
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curves->filter_slice = desc->flags & AV_PIX_FMT_FLAG_PLANAR ? filter_slice_planar : filter_slice_packed;
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for (i = 0; i < NB_COMP + 1; i++) {
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curves->graph[i] = av_mallocz_array(curves->lut_size, sizeof(*curves->graph[0]));
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if (!curves->graph[i])
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return AVERROR(ENOMEM);
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ret = parse_points_str(ctx, comp_points + i, curves->comp_points_str[i], curves->lut_size);
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if (ret < 0)
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return ret;
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switch (curves->depth) {
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case 8: ret = interpolate8 (ctx, curves->graph[i], comp_points[i]); break;
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case 9: ret = interpolate9 (ctx, curves->graph[i], comp_points[i]); break;
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case 10: ret = interpolate10(ctx, curves->graph[i], comp_points[i]); break;
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case 12: ret = interpolate12(ctx, curves->graph[i], comp_points[i]); break;
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case 14: ret = interpolate14(ctx, curves->graph[i], comp_points[i]); break;
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case 16: ret = interpolate16(ctx, curves->graph[i], comp_points[i]); break;
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}
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if (ret < 0)
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return ret;
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}
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if (pts[NB_COMP]) {
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for (i = 0; i < NB_COMP; i++)
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for (j = 0; j < curves->lut_size; j++)
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curves->graph[i][j] = curves->graph[NB_COMP][curves->graph[i][j]];
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}
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if (av_log_get_level() >= AV_LOG_VERBOSE) {
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for (i = 0; i < NB_COMP; i++) {
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const struct keypoint *point = comp_points[i];
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av_log(ctx, AV_LOG_VERBOSE, "#%d points:", i);
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while (point) {
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av_log(ctx, AV_LOG_VERBOSE, " (%f;%f)", point->x, point->y);
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point = point->next;
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}
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}
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}
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if (curves->plot_filename)
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dump_curves(curves->plot_filename, curves->graph, comp_points, curves->lut_size);
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for (i = 0; i < NB_COMP + 1; i++) {
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struct keypoint *point = comp_points[i];
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while (point) {
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struct keypoint *next = point->next;
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av_free(point);
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point = next;
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}
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}
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return 0;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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{
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AVFilterContext *ctx = inlink->dst;
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CurvesContext *curves = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVFrame *out;
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ThreadData td;
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@ -647,7 +735,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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td.in = in;
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td.out = out;
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ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
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ctx->internal->execute(ctx, curves->filter_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
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if (out != in)
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av_frame_free(&in);
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@ -3,8 +3,8 @@
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#codec_id 0: rawvideo
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#dimensions 0: 640x480
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#sar 0: 0/1
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0, 0, 0, 1, 921600, 0xcf426780
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0, 1, 1, 1, 921600, 0x7642892d
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0, 2, 2, 1, 921600, 0x13c1ab7e
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0, 3, 3, 1, 921600, 0x3eca04bf
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0, 4, 4, 1, 921600, 0x61539162
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0, 0, 0, 1, 921600, 0x3ed36780
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0, 1, 1, 1, 921600, 0x7dbd892d
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0, 2, 2, 1, 921600, 0x0894ab7e
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0, 3, 3, 1, 921600, 0x471004bf
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0, 4, 4, 1, 921600, 0x79c79162
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