From 0bcbbd87050974c83b19a7497aa49b6c1e0f7720 Mon Sep 17 00:00:00 2001 From: arpi Date: Fri, 27 Sep 2002 21:08:36 +0000 Subject: [PATCH] -vf eq2, LUT-based brightness/contrast/gamma correction (Y-only) by Hampa Hug git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7518 b3059339-0415-0410-9bf9-f77b7e298cf2 --- input/input.c | 1 + input/input.h | 1 + libmpcodecs/Makefile | 2 +- libmpcodecs/vf.c | 2 + libmpcodecs/vf_eq2.c | 236 +++++++++++++++++++++++++++++++++++++++++++ mplayer.c | 34 +++++++ 6 files changed, 275 insertions(+), 1 deletion(-) create mode 100644 libmpcodecs/vf_eq2.c diff --git a/input/input.c b/input/input.c index 96faeab436..a126045bb6 100644 --- a/input/input.c +++ b/input/input.c @@ -53,6 +53,7 @@ static mp_cmd_t mp_cmds[] = { { MP_CMD_MIXER_USEMASTER, "use_master", 0, { {-1,{0}} } }, { MP_CMD_MUTE, "mute", 0, { {-1,{0}} } }, { MP_CMD_CONTRAST, "contrast",1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } }, + { MP_CMD_GAMMA, "gamma", 1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } }, { MP_CMD_BRIGHTNESS, "brightness",1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } }, { MP_CMD_HUE, "hue",1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } }, { MP_CMD_SATURATION, "saturation",1, { {MP_CMD_ARG_INT,{0}}, {MP_CMD_ARG_INT,{0}}, {-1,{0}} } }, diff --git a/input/input.h b/input/input.h index 1b6d58f8e6..f98a6ec43a 100644 --- a/input/input.h +++ b/input/input.h @@ -28,6 +28,7 @@ #define MP_CMD_LOADFILE 26 #define MP_CMD_LOADLIST 27 #define MP_CMD_VF_CHANGE_RECTANGLE 28 +#define MP_CMD_GAMMA 29 #define MP_CMD_GUI_EVENTS 5000 #define MP_CMD_GUI_LOADFILE 5001 diff --git a/libmpcodecs/Makefile b/libmpcodecs/Makefile index 30b962d517..3380523809 100644 --- a/libmpcodecs/Makefile +++ b/libmpcodecs/Makefile @@ -6,7 +6,7 @@ LIBNAME2 = libmpencoders.a AUDIO_SRCS=dec_audio.c ad.c ad_liba52.c ad_acm.c ad_alaw.c ad_dk3adpcm.c ad_dshow.c ad_dvdpcm.c ad_ffmpeg.c ad_hwac3.c ad_imaadpcm.c ad_mp3lib.c ad_msadpcm.c ad_pcm.c ad_roqaudio.c ad_msgsm.c ad_faad.c ad_libvorbis.c ad_libmad.c ad_realaud.c ad_libdv.c VIDEO_SRCS=dec_video.c vd.c vd_null.c vd_realvid.c vd_cinepak.c vd_qtrpza.c vd_ffmpeg.c vd_dshow.c vd_vfw.c vd_vfwex.c vd_odivx.c vd_divx4.c vd_raw.c vd_xanim.c vd_msvidc.c vd_fli.c vd_qtrle.c vd_qtsmc.c vd_roqvideo.c vd_cyuv.c vd_nuv.c vd_libmpeg2.c vd_msrle.c vd_huffyuv.c vd_mpegpes.c vd_svq1.c vd_xvid.c vd_libdv.c vd_lcl.c vd_mtga.c -VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_halfpack.c vf_dint.c +VFILTER_SRCS=vf.c vf_vo.c vf_crop.c vf_expand.c vf_pp.c vf_scale.c vf_format.c vf_yuy2.c vf_flip.c vf_rgb2bgr.c vf_rotate.c vf_mirror.c vf_palette.c vf_lavc.c vf_dvbscale.c vf_cropdetect.c vf_test.c vf_noise.c vf_yvu9.c vf_rectangle.c vf_lavcdeint.c vf_eq.c vf_eq2.c vf_halfpack.c vf_dint.c ENCODER_SRCS=ve.c ve_divx4.c ve_lavc.c ve_vfw.c ve_rawrgb.c ve_libdv.c ve_xvid.c NATIVE_SRCS=native/RTjpegN.c native/cinepak.c native/cyuv.c native/fli.c native/minilzo.c native/msvidc.c native/nuppelvideo.c native/qtrle.c native/qtrpza.c native/qtsmc.c native/roqav.c native/xa_gsm.c native/svq1.c diff --git a/libmpcodecs/vf.c b/libmpcodecs/vf.c index 39f9cccdb9..6be3b4b522 100644 --- a/libmpcodecs/vf.c +++ b/libmpcodecs/vf.c @@ -39,6 +39,7 @@ extern vf_info_t vf_info_noise; extern vf_info_t vf_info_yvu9; extern vf_info_t vf_info_lavcdeint; extern vf_info_t vf_info_eq; +extern vf_info_t vf_info_eq2; extern vf_info_t vf_info_halfpack; extern vf_info_t vf_info_dint; @@ -73,6 +74,7 @@ static vf_info_t* filter_list[]={ &vf_info_noise, &vf_info_yvu9, &vf_info_eq, + &vf_info_eq2, &vf_info_halfpack, &vf_info_dint, NULL diff --git a/libmpcodecs/vf_eq2.c b/libmpcodecs/vf_eq2.c new file mode 100644 index 0000000000..3f16273ad8 --- /dev/null +++ b/libmpcodecs/vf_eq2.c @@ -0,0 +1,236 @@ +/* + * vf_eq2.c + * + * Extended software equalizer (brightness, contrast, gamma) + * + * Hampa Hug + * + */ + +#include +#include +#include +#include + +#include "../config.h" +#include "../mp_msg.h" + +#include "img_format.h" +#include "mp_image.h" +#include "vf.h" + + +typedef struct vf_priv_s { + unsigned char *buf; + int buf_w; + int buf_h; + + double contrast; + double bright; + double gamma; + + unsigned char lut[256]; +} vf_eq2_t; + + +static +void create_lut (vf_eq2_t *eq2) +{ + unsigned i; + double c, b, g; + double v; + + c = eq2->contrast; + b = eq2->bright; + g = eq2->gamma; + + if ((g < 0.001) || (g > 1000.0)) { + g = 1.0; + } + + fprintf (stderr, "vf_eq2: c=%.2f b=%.2f g=%.4f\n", c, b, g); + + g = 1.0 / g; + + for (i = 0; i < 256; i++) { + v = (double) i / 255.0; + v = c * (v - 0.5) + 0.5 + b; + + if (v <= 0.0) { + eq2->lut[i] = 0; + } + else { + v = pow (v, g); + + if (v >= 1.0) { + eq2->lut[i] = 255; + } + else { + eq2->lut[i] = (unsigned char) (256.0 * v); + } + } + } +} + +/* could inline this */ +static +void process (unsigned char *dst, int dstride, unsigned char *src, int sstride, + int w, int h, unsigned char lut[256]) +{ + int i, j; + + for (j = 0; j < h; j++) { + for (i = 0; i < w; i++) { + *(dst++) = lut[*(src++)]; + } + + src += sstride - w; + dst += dstride - w; + } +} + +static +int put_image (vf_instance_t *vf, mp_image_t *src) +{ + mp_image_t *dst; + vf_eq2_t *eq2; + + eq2 = vf->priv; + + if ((eq2->buf == NULL) || (eq2->buf_w != src->stride[0]) || (eq2->buf_h != src->h)) { + eq2->buf = (unsigned char *) realloc (eq2->buf, src->stride[0] * src->h); + eq2->buf_w = src->stride[0]; + eq2->buf_h = src->h; + } + + dst = vf_get_image (vf->next, src->imgfmt, MP_IMGTYPE_EXPORT, 0, src->w, src->h); + + dst->stride[0] = src->stride[0]; + dst->stride[1] = src->stride[1]; + dst->stride[2] = src->stride[2]; + dst->planes[0] = vf->priv->buf; + dst->planes[1] = src->planes[1]; + dst->planes[2] = src->planes[2]; + + process ( + dst->planes[0], dst->stride[0], src->planes[0], src->stride[0], + src->w, src->h, eq2->lut + ); + + return vf_next_put_image (vf, dst); +} + +static +int control (vf_instance_t *vf, int request, void *data) +{ + vf_equalizer_t *eq; + + switch (request) { + case VFCTRL_SET_EQUALIZER: + eq = (vf_equalizer_t *) data; + + if (strcmp (eq->item, "gamma") == 0) { + vf->priv->gamma = exp (log (8.0) * eq->value / 100.0); + create_lut (vf->priv); + return CONTROL_TRUE; + } + else if (strcmp (eq->item, "contrast") == 0) { + vf->priv->contrast = (1.0 / 100.0) * (eq->value + 100); + create_lut (vf->priv); + return CONTROL_TRUE; + } + else if (strcmp (eq->item, "brightness") == 0) { + vf->priv->bright = (1.0 / 100.0) * eq->value; + create_lut (vf->priv); + return CONTROL_TRUE; + } + break; + + case VFCTRL_GET_EQUALIZER: + eq = (vf_equalizer_t *) data; + if (strcmp (eq->item, "gamma") == 0) { + eq->value = (int) (100.0 * log (vf->priv->gamma) / log (8.0)); + return CONTROL_TRUE; + } + else if (strcmp (eq->item, "contrast") == 0) { + eq->value = (int) (100.0 * vf->priv->contrast) - 100; + return CONTROL_TRUE; + } + else if (strcmp (eq->item, "brightness") == 0) { + eq->value = (int) (100.0 * vf->priv->bright); + return CONTROL_TRUE; + } + break; + } + + return vf_next_control (vf, request, data); +} + +static +int query_format (vf_instance_t *vf, unsigned fmt) +{ + switch (fmt) { + case IMGFMT_YVU9: + case IMGFMT_IF09: + case IMGFMT_YV12: + case IMGFMT_I420: + case IMGFMT_IYUV: + case IMGFMT_CLPL: + case IMGFMT_Y800: + case IMGFMT_Y8: + case IMGFMT_NV12: + case IMGFMT_444P: + case IMGFMT_422P: + case IMGFMT_411P: + return vf_next_query_format (vf, fmt); + } + + return 0; +} + +static +void uninit (vf_instance_t *vf) +{ + if (vf->priv != NULL) { + free (vf->priv->buf); + free (vf->priv); + } +} + +static +int open (vf_instance_t *vf, char *args) +{ + vf_eq2_t *eq2; + + vf->control = control; + vf->query_format = query_format; + vf->put_image = put_image; + vf->uninit = uninit; + + vf->priv = (vf_eq2_t *) malloc (sizeof (vf_eq2_t)); + eq2 = vf->priv; + + eq2->buf = NULL; + eq2->buf_w = 0; + eq2->buf_h = 0; + + eq2->gamma = 1.0; + eq2->contrast = 1.0; + eq2->bright = 0.0; + + if (args != NULL) { + sscanf (args, "%lf:%lf:%lf", &eq2->gamma, &eq2->contrast, &eq2->bright); + } + + create_lut (eq2); + + return 1; +} + +vf_info_t vf_info_eq2 = { + "extended software equalizer", + "eq2", + "Hampa Hug", + "", + &open +}; diff --git a/mplayer.c b/mplayer.c index eaae9343b6..18210fd313 100644 --- a/mplayer.c +++ b/mplayer.c @@ -251,6 +251,7 @@ static demuxer_t *demuxer=NULL; char* current_module=NULL; // for debugging +int vo_gamma_gamma = 1000; int vo_gamma_brightness = 1000; int vo_gamma_contrast = 1000; int vo_gamma_saturation = 1000; @@ -1268,6 +1269,8 @@ if(auto_quality>0){ current_module="init_vo"; if (sh_video) { + if (vo_gamma_gamma != 1000) + set_video_colors (sh_video, "gamma", vo_gamma_gamma); if (vo_gamma_brightness != 1000) set_video_colors(sh_video, "brightness", vo_gamma_brightness); if (vo_gamma_contrast != 1000) @@ -1985,6 +1988,37 @@ if (stream->type==STREAMTYPE_DVDNAV && dvd_nav_still) eof = PT_NEXT_SRC; } } break; + case MP_CMD_GAMMA : { + int v = cmd->args[0].v.i, abs = cmd->args[1].v.i; + + if (!sh_video) + break; + + if (vo_gamma_gamma == 1000) + { + vo_gamma_gamma = 0; + get_video_colors (sh_video, "gamma", &vo_gamma_gamma); + } + + if (abs) + vo_gamma_gamma = v; + else + vo_gamma_gamma += v; + + if (vo_gamma_gamma > 100) + vo_gamma_gamma = 100; + else if (vo_gamma_gamma < -100) + vo_gamma_gamma = -100; + set_video_colors(sh_video, "gamma", vo_gamma_gamma); +#ifdef USE_OSD + if(osd_level){ + osd_visible=sh_video->fps; // 1 sec + vo_osd_progbar_type=OSD_BRIGHTNESS; + vo_osd_progbar_value=(vo_gamma_gamma<<7)/100 + 128; + vo_osd_changed(OSDTYPE_PROGBAR); + } +#endif // USE_OSD + } break; case MP_CMD_BRIGHTNESS : { int v = cmd->args[0].v.i, abs = cmd->args[1].v.i;