diff options
Diffstat (limited to 'libavfilter/vf_showinfo.c')
-rw-r--r-- | libavfilter/vf_showinfo.c | 75 |
1 files changed, 47 insertions, 28 deletions
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c index cc9ec1c..8201c2d 100644 --- a/libavfilter/vf_showinfo.c +++ b/libavfilter/vf_showinfo.c @@ -1,19 +1,19 @@ /* * Copyright (c) 2011 Stefano Sabatini - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -30,15 +30,12 @@ #include "libavutil/internal.h" #include "libavutil/pixdesc.h" #include "libavutil/stereo3d.h" +#include "libavutil/timestamp.h" #include "avfilter.h" #include "internal.h" #include "video.h" -typedef struct ShowInfoContext { - unsigned int frame; -} ShowInfoContext; - static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd) { AVStereo3D *stereo; @@ -69,32 +66,49 @@ static void dump_stereo3d(AVFilterContext *ctx, AVFrameSideData *sd) av_log(ctx, AV_LOG_INFO, " (inverted)"); } +static void update_sample_stats(const uint8_t *src, int len, int64_t *sum, int64_t *sum2) +{ + int i; + + for (i = 0; i < len; i++) { + *sum += src[i]; + *sum2 += src[i] * src[i]; + } +} + static int filter_frame(AVFilterLink *inlink, AVFrame *frame) { AVFilterContext *ctx = inlink->dst; - ShowInfoContext *showinfo = ctx->priv; const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); uint32_t plane_checksum[4] = {0}, checksum = 0; + int64_t sum[4] = {0}, sum2[4] = {0}; + int32_t pixelcount[4] = {0}; int i, plane, vsub = desc->log2_chroma_h; - for (plane = 0; frame->data[plane] && plane < 4; plane++) { - size_t linesize = av_image_get_linesize(frame->format, frame->width, plane); + for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) { + int64_t linesize = av_image_get_linesize(frame->format, frame->width, plane); uint8_t *data = frame->data[plane]; - int h = plane == 1 || plane == 2 ? inlink->h >> vsub : inlink->h; + int h = plane == 1 || plane == 2 ? FF_CEIL_RSHIFT(inlink->h, vsub) : inlink->h; + + if (linesize < 0) + return linesize; for (i = 0; i < h; i++) { plane_checksum[plane] = av_adler32_update(plane_checksum[plane], data, linesize); checksum = av_adler32_update(checksum, data, linesize); + + update_sample_stats(data, linesize, sum+plane, sum2+plane); + pixelcount[plane] += linesize; data += frame->linesize[plane]; } } av_log(ctx, AV_LOG_INFO, - "n:%d pts:%"PRId64" pts_time:%f " + "n:%"PRId64" pts:%s pts_time:%s pos:%"PRId64" " "fmt:%s sar:%d/%d s:%dx%d i:%c iskey:%d type:%c " - "checksum:%"PRIu32" plane_checksum:[%"PRIu32" %"PRIu32" %"PRIu32" %"PRIu32"]\n", - showinfo->frame, - frame->pts, frame->pts * av_q2d(inlink->time_base), + "checksum:%08"PRIX32" plane_checksum:[%08"PRIX32, + inlink->frame_count, + av_ts2str(frame->pts), av_ts2timestr(frame->pts, &inlink->time_base), av_frame_get_pkt_pos(frame), desc->name, frame->sample_aspect_ratio.num, frame->sample_aspect_ratio.den, frame->width, frame->height, @@ -102,7 +116,18 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) frame->top_field_first ? 'T' : 'B', /* Top / Bottom */ frame->key_frame, av_get_picture_type_char(frame->pict_type), - checksum, plane_checksum[0], plane_checksum[1], plane_checksum[2], plane_checksum[3]); + checksum, plane_checksum[0]); + + for (plane = 1; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) + av_log(ctx, AV_LOG_INFO, " %08"PRIX32, plane_checksum[plane]); + av_log(ctx, AV_LOG_INFO, "] mean:["); + for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) + av_log(ctx, AV_LOG_INFO, "%"PRId64" ", (sum[plane] + pixelcount[plane]/2) / pixelcount[plane]); + av_log(ctx, AV_LOG_INFO, "\b] stdev:["); + for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; plane++) + av_log(ctx, AV_LOG_INFO, "%3.1f ", + sqrt((sum2[plane] - sum[plane]*(double)sum[plane]/pixelcount[plane])/pixelcount[plane])); + av_log(ctx, AV_LOG_INFO, "\b]\n"); for (i = 0; i < frame->nb_side_data; i++) { AVFrameSideData *sd = frame->side_data[i]; @@ -134,16 +159,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) av_log(ctx, AV_LOG_INFO, "\n"); } - showinfo->frame++; return ff_filter_frame(inlink->dst->outputs[0], frame); } static const AVFilterPad avfilter_vf_showinfo_inputs[] = { { - .name = "default", - .type = AVMEDIA_TYPE_VIDEO, - .get_video_buffer = ff_null_get_video_buffer, - .filter_frame = filter_frame, + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .filter_frame = filter_frame, }, { NULL } }; @@ -159,10 +182,6 @@ static const AVFilterPad avfilter_vf_showinfo_outputs[] = { AVFilter ff_vf_showinfo = { .name = "showinfo", .description = NULL_IF_CONFIG_SMALL("Show textual information for each video frame."), - - .priv_size = sizeof(ShowInfoContext), - - .inputs = avfilter_vf_showinfo_inputs, - - .outputs = avfilter_vf_showinfo_outputs, + .inputs = avfilter_vf_showinfo_inputs, + .outputs = avfilter_vf_showinfo_outputs, }; |