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| author | Michael Niedermayer <michaelni@gmx.at> | 2005-12-18 20:01:02 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2005-12-18 20:01:02 +0000 |
| commit | 0888fd220cfba8b372a72100afd85f13b948af51 (patch) | |
| tree | 756e721a3ba520ce28958237eb1fb6ee374df9ee | |
| parent | 71160c55e0a0abb3ade715d759d4ea3e11dcc2dc (diff) | |
| download | ffmpeg-0888fd220cfba8b372a72100afd85f13b948af51.tar.gz | |
support printing compact qp histogram
Originally committed as revision 4755 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | ffmpeg.c | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -162,6 +162,7 @@ static int frame_skip_exp= 0; extern int loop_input; /* currently a hack */ static int loop_output = AVFMT_NOOUTPUTLOOP; static int genpts = 0; +static int qp_hist = 0; static int gop_size = 12; static int intra_only = 0; @@ -1054,6 +1055,7 @@ static void print_report(AVFormatContext **output_files, int frame_number, vid, i; double bitrate, ti1, pts; static int64_t last_time = -1; + static int qp_histogram[52]; if (!is_last_report) { int64_t cur_time; @@ -1086,10 +1088,18 @@ static void print_report(AVFormatContext **output_files, } if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) { frame_number = ost->frame_number; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ", - frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0); + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ", + frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1); if(is_last_report) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); + if(qp_hist && enc->coded_frame){ + int j; + int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA); + if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int)) + qp_histogram[qp]++; + for(j=0; j<32; j++) + snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2))); + } if (enc->flags&CODEC_FLAG_PSNR){ int j; double error, error_sum=0; @@ -4097,6 +4107,7 @@ const OptionDef options[] = { { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" }, { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" }, { "genpts", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&genpts }, "generate pts" }, + { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" }, /* audio options */ { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", }, |