* Caculate the PSNR between two input videos.
*/
+#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
+#include "psnr.h"
#include "video.h"
typedef struct PSNRContext {
const AVClass *class;
FFDualInputContext dinput;
- double mse, min_mse, max_mse;
+ double mse, min_mse, max_mse, mse_comp[4];
uint64_t nb_frames;
FILE *stats_file;
char *stats_file_str;
int nb_components;
int planewidth[4];
int planeheight[4];
-
- void (*compute_mse)(struct PSNRContext *s,
- const uint8_t *m[4], const int ml[4],
- const uint8_t *r[4], const int rl[4],
- int w, int h, double mse[4]);
+ double planeweight[4];
+ PSNRDSPContext dsp;
} PSNRContext;
#define OFFSET(x) offsetof(PSNRContext, x)
return 10.0 * log(pow2(max) / (mse / nb_frames)) / log(10.0);
}
-static inline
-void compute_images_mse(PSNRContext *s,
- const uint8_t *main_data[4], const int main_linesizes[4],
- const uint8_t *ref_data[4], const int ref_linesizes[4],
- int w, int h, double mse[4])
+static uint64_t sse_line_8bit(const uint8_t *main_line, const uint8_t *ref_line, int outw)
{
- int i, c, j;
+ int j;
+ unsigned m2 = 0;
- for (c = 0; c < s->nb_components; c++) {
- const int outw = s->planewidth[c];
- const int outh = s->planeheight[c];
- const uint8_t *main_line = main_data[c];
- const uint8_t *ref_line = ref_data[c];
- const int ref_linesize = ref_linesizes[c];
- const int main_linesize = main_linesizes[c];
- uint64_t m = 0;
+ for (j = 0; j < outw; j++)
+ m2 += pow2(main_line[j] - ref_line[j]);
- for (i = 0; i < outh; i++) {
- int m2 = 0;
- for (j = 0; j < outw; j++)
- m2 += pow2(main_line[j] - ref_line[j]);
- m += m2;
- ref_line += ref_linesize;
- main_line += main_linesize;
- }
- mse[c] = m / (double)(outw * outh);
- }
+ return m2;
+}
+
+static uint64_t sse_line_16bit(const uint8_t *_main_line, const uint8_t *_ref_line, int outw)
+{
+ int j;
+ uint64_t m2 = 0;
+ const uint16_t *main_line = (const uint16_t *) _main_line;
+ const uint16_t *ref_line = (const uint16_t *) _ref_line;
+
+ for (j = 0; j < outw; j++)
+ m2 += pow2(main_line[j] - ref_line[j]);
+
+ return m2;
}
static inline
-void compute_images_mse_16bit(PSNRContext *s,
+void compute_images_mse(PSNRContext *s,
const uint8_t *main_data[4], const int main_linesizes[4],
const uint8_t *ref_data[4], const int ref_linesizes[4],
int w, int h, double mse[4])
{
- int i, c, j;
+ int i, c;
for (c = 0; c < s->nb_components; c++) {
const int outw = s->planewidth[c];
const int outh = s->planeheight[c];
- const uint16_t *main_line = (uint16_t *)main_data[c];
- const uint16_t *ref_line = (uint16_t *)ref_data[c];
- const int ref_linesize = ref_linesizes[c] / 2;
- const int main_linesize = main_linesizes[c] / 2;
+ const uint8_t *main_line = main_data[c];
+ const uint8_t *ref_line = ref_data[c];
+ const int ref_linesize = ref_linesizes[c];
+ const int main_linesize = main_linesizes[c];
uint64_t m = 0;
-
for (i = 0; i < outh; i++) {
- for (j = 0; j < outw; j++)
- m += pow2(main_line[j] - ref_line[j]);
+ m += s->dsp.sse_line(main_line, ref_line, outw);
ref_line += ref_linesize;
main_line += main_linesize;
}
int j, c;
AVDictionary **metadata = avpriv_frame_get_metadatap(main);
- s->compute_mse(s, (const uint8_t **)main->data, main->linesize,
- (const uint8_t **)ref->data, ref->linesize,
- main->width, main->height, comp_mse);
+ compute_images_mse(s, (const uint8_t **)main->data, main->linesize,
+ (const uint8_t **)ref->data, ref->linesize,
+ main->width, main->height, comp_mse);
for (j = 0; j < s->nb_components; j++)
- mse += comp_mse[j];
- mse /= s->nb_components;
+ mse += comp_mse[j] * s->planeweight[j];
s->min_mse = FFMIN(s->min_mse, mse);
s->max_mse = FFMAX(s->max_mse, mse);
s->mse += mse;
+ for (j = 0; j < s->nb_components; j++)
+ s->mse_comp[j] += comp_mse[j];
s->nb_frames++;
for (j = 0; j < s->nb_components; j++) {
c = s->is_rgb ? s->rgba_map[j] : j;
set_meta(metadata, "lavfi.psnr.mse.", s->comps[j], comp_mse[c]);
- set_meta(metadata, "lavfi.psnr.mse_avg", 0, mse);
set_meta(metadata, "lavfi.psnr.psnr.", s->comps[j], get_psnr(comp_mse[c], 1, s->max[c]));
- set_meta(metadata, "lavfi.psnr.psnr_avg", 0, get_psnr(mse, 1, s->average_max));
}
+ set_meta(metadata, "lavfi.psnr.mse_avg", 0, mse);
+ set_meta(metadata, "lavfi.psnr.psnr_avg", 0, get_psnr(mse, 1, s->average_max));
if (s->stats_file) {
fprintf(s->stats_file, "n:%"PRId64" mse_avg:%0.2f ", s->nb_frames, mse);
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
AVFilterContext *ctx = inlink->dst;
PSNRContext *s = ctx->priv;
+ unsigned sum;
int j;
s->nb_components = desc->nb_components;
return AVERROR(EINVAL);
}
- switch (inlink->format) {
- case AV_PIX_FMT_GRAY8:
- case AV_PIX_FMT_GRAY16:
- case AV_PIX_FMT_GBRP:
- case AV_PIX_FMT_GBRP9:
- case AV_PIX_FMT_GBRP10:
- case AV_PIX_FMT_GBRP12:
- case AV_PIX_FMT_GBRP14:
- case AV_PIX_FMT_GBRP16:
- case AV_PIX_FMT_GBRAP:
- case AV_PIX_FMT_GBRAP16:
- case AV_PIX_FMT_YUVJ411P:
- case AV_PIX_FMT_YUVJ420P:
- case AV_PIX_FMT_YUVJ422P:
- case AV_PIX_FMT_YUVJ440P:
- case AV_PIX_FMT_YUVJ444P:
- s->max[0] = (1 << (desc->comp[0].depth_minus1 + 1)) - 1;
- s->max[1] = (1 << (desc->comp[1].depth_minus1 + 1)) - 1;
- s->max[2] = (1 << (desc->comp[2].depth_minus1 + 1)) - 1;
- s->max[3] = (1 << (desc->comp[3].depth_minus1 + 1)) - 1;
- break;
- default:
- s->max[0] = 235 * (1 << (desc->comp[0].depth_minus1 - 7));
- s->max[1] = 240 * (1 << (desc->comp[1].depth_minus1 - 7));
- s->max[2] = 240 * (1 << (desc->comp[2].depth_minus1 - 7));
- s->max[3] = (1 << (desc->comp[3].depth_minus1 + 1)) - 1;
- }
+ s->max[0] = (1 << (desc->comp[0].depth_minus1 + 1)) - 1;
+ s->max[1] = (1 << (desc->comp[1].depth_minus1 + 1)) - 1;
+ s->max[2] = (1 << (desc->comp[2].depth_minus1 + 1)) - 1;
+ s->max[3] = (1 << (desc->comp[3].depth_minus1 + 1)) - 1;
s->is_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0;
s->comps[0] = s->is_rgb ? 'r' : 'y' ;
s->comps[2] = s->is_rgb ? 'b' : 'v' ;
s->comps[3] = 'a';
- for (j = 0; j < s->nb_components; j++)
- s->average_max += s->max[j];
- s->average_max /= s->nb_components;
-
s->planeheight[1] = s->planeheight[2] = FF_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planewidth[1] = s->planewidth[2] = FF_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
+ sum = 0;
+ for (j = 0; j < s->nb_components; j++)
+ sum += s->planeheight[j] * s->planewidth[j];
+ for (j = 0; j < s->nb_components; j++) {
+ s->planeweight[j] = (double) s->planeheight[j] * s->planewidth[j] / sum;
+ s->average_max += s->max[j] * s->planeweight[j];
+ }
- s->compute_mse = desc->comp[0].depth_minus1 > 7 ? compute_images_mse_16bit : compute_images_mse;
+ s->dsp.sse_line = desc->comp[0].depth_minus1 > 7 ? sse_line_16bit : sse_line_8bit;
+ if (ARCH_X86)
+ ff_psnr_init_x86(&s->dsp, desc->comp[0].depth_minus1 + 1);
return 0;
}
PSNRContext *s = ctx->priv;
if (s->nb_frames > 0) {
- av_log(ctx, AV_LOG_INFO, "PSNR average:%0.2f min:%0.2f max:%0.2f\n",
+ int j;
+ char buf[256];
+
+ buf[0] = 0;
+ for (j = 0; j < s->nb_components; j++) {
+ int c = s->is_rgb ? s->rgba_map[j] : j;
+ av_strlcatf(buf, sizeof(buf), " %c:%0.2f", s->comps[j],
+ get_psnr(s->mse_comp[c], s->nb_frames, s->max[c]));
+ }
+ av_log(ctx, AV_LOG_INFO, "PSNR%s average:%0.2f min:%0.2f max:%0.2f\n",
+ buf,
get_psnr(s->mse, s->nb_frames, s->average_max),
get_psnr(s->max_mse, 1, s->average_max),
get_psnr(s->min_mse, 1, s->average_max));
projects / ffmpeg / blobdiff