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@ -23,6 +23,7 @@ |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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#include "drawutils.h" |
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#include "internal.h" |
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#define PLANE_R 0x01 |
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@ -38,6 +39,9 @@ typedef struct { |
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int requested_planes; |
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int map[4]; |
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int linesize[4]; |
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int is_packed_rgb; |
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int depth; |
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int step; |
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} ExtractPlanesContext; |
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#define OFFSET(x) offsetof(ExtractPlanesContext, x) |
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@ -47,8 +51,8 @@ static const AVOption extractplanes_options[] = { |
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{ "y", "set luma plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_Y}, 0, 0, FLAGS, "flags"}, |
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{ "u", "set u plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_U}, 0, 0, FLAGS, "flags"}, |
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{ "v", "set v plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_V}, 0, 0, FLAGS, "flags"}, |
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{ "g", "set green plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_G}, 0, 0, FLAGS, "flags"}, |
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{ "r", "set red plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_R}, 0, 0, FLAGS, "flags"}, |
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{ "g", "set green plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_G}, 0, 0, FLAGS, "flags"}, |
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{ "b", "set blue plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_B}, 0, 0, FLAGS, "flags"}, |
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{ "a", "set alpha plane", 0, AV_OPT_TYPE_CONST, {.i64=PLANE_A}, 0, 0, FLAGS, "flags"}, |
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{ NULL } |
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@ -75,6 +79,13 @@ static int query_formats(AVFilterContext *ctx) |
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AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUVA444P16BE, |
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AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY8A, |
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AV_PIX_FMT_GRAY16LE, AV_PIX_FMT_GRAY16BE, |
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AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, |
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AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, |
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AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, |
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AV_PIX_FMT_RGB48LE, AV_PIX_FMT_BGR48LE, |
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AV_PIX_FMT_RGB48BE, AV_PIX_FMT_BGR48BE, |
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AV_PIX_FMT_RGBA64LE, AV_PIX_FMT_BGRA64LE, |
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AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_BGRA64BE, |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
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AV_PIX_FMT_GBRP16LE, AV_PIX_FMT_GBRP16BE, |
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AV_PIX_FMT_GBRAP16LE, AV_PIX_FMT_GBRAP16BE, |
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@ -125,7 +136,8 @@ static int config_input(AVFilterLink *inlink) |
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AVFilterContext *ctx = inlink->dst; |
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ExtractPlanesContext *e = ctx->priv; |
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
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int plane_avail, ret; |
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int plane_avail, ret, i; |
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uint8_t rgba_map[4]; |
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plane_avail = ((desc->flags & PIX_FMT_RGB) ? PLANE_R|PLANE_G|PLANE_B : |
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PLANE_Y | |
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@ -138,6 +150,15 @@ static int config_input(AVFilterLink *inlink) |
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if ((ret = av_image_fill_linesizes(e->linesize, inlink->format, inlink->w)) < 0) |
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return ret; |
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e->depth = (desc->comp[0].depth_minus1 + 1) >> 3; |
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e->step = av_get_padded_bits_per_pixel(desc) >> 3; |
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e->is_packed_rgb = !(desc->flags & PIX_FMT_PLANAR); |
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if (desc->flags & PIX_FMT_RGB) { |
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ff_fill_rgba_map(rgba_map, inlink->format); |
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for (i = 0; i < 4; i++) |
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e->map[i] = rgba_map[e->map[i]]; |
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} |
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return 0; |
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} |
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@ -157,6 +178,31 @@ static int config_output(AVFilterLink *outlink) |
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return 0; |
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} |
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static void extract_from_packed(uint8_t *dst, int dst_linesize, |
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const uint8_t *src, int src_linesize, |
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int width, int height, |
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int depth, int step, int comp) |
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{ |
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int x, y; |
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for (y = 0; y < height; y++) { |
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switch (depth) { |
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case 1: |
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for (x = 0; x < width; x++) |
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dst[x] = src[x * step + comp]; |
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break; |
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case 2: |
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for (x = 0; x < width; x++) { |
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dst[x * 2 ] = src[x * step + comp * 2 ]; |
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dst[x * 2 + 1] = src[x * step + comp * 2 + 1]; |
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} |
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break; |
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} |
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dst += dst_linesize; |
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src += src_linesize; |
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} |
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} |
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static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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@ -168,7 +214,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
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const int idx = e->map[i]; |
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AVFrame *out; |
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if (outlink->closed || !frame->data[idx]) |
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if (outlink->closed) |
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continue; |
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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@ -178,9 +224,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) |
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} |
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av_frame_copy_props(out, frame); |
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av_image_copy_plane(out->data[0], out->linesize[0], |
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frame->data[idx], frame->linesize[idx], |
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e->linesize[idx], outlink->h); |
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if (e->is_packed_rgb) { |
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extract_from_packed(out->data[0], out->linesize[0], |
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frame->data[0], frame->linesize[0], |
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outlink->w, outlink->h, |
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e->depth, |
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e->step, idx); |
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} else { |
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av_image_copy_plane(out->data[0], out->linesize[0], |
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frame->data[idx], frame->linesize[idx], |
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e->linesize[idx], outlink->h); |
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} |
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ret = ff_filter_frame(outlink, out); |
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if (ret == AVERROR_EOF) |
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eof++; |
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