generic-library/ffmpeg
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mb qp limits

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Originally committed as revision 1340 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2002-12-18 10:09:43 +00:00
parent 8fc698950b
commit 17a70fdeef
4 changed files with 47 additions and 4 deletions
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26
ffmpeg.c
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@@ -89,6 +89,8 @@ static int video_bit_rate_tolerance = 4000*1000;
static int video_qscale = 0;
static int video_qmin = 2;
static int video_qmax = 31;
static int video_mb_qmin = 2;
static int video_mb_qmax = 31;
static int video_qdiff = 3;
static float video_qblur = 0.5;
static float video_qcomp = 0.5;
@@ -1741,6 +1743,26 @@ void opt_qmax(const char *arg)
}
}
void opt_mb_qmin(const char *arg)
{
video_mb_qmin = atoi(arg);
if (video_mb_qmin < 0 ||
video_mb_qmin > 31) {
fprintf(stderr, "qmin must be >= 1 and <= 31\n");
exit(1);
}
}
void opt_mb_qmax(const char *arg)
{
video_mb_qmax = atoi(arg);
if (video_mb_qmax < 0 ||
video_mb_qmax > 31) {
fprintf(stderr, "qmax must be >= 1 and <= 31\n");
exit(1);
}
}
void opt_qdiff(const char *arg)
{
video_qdiff = atoi(arg);
@@ -2165,6 +2187,8 @@ void opt_output_file(const char *filename)
video_enc->qmin = video_qmin;
video_enc->qmax = video_qmax;
video_enc->mb_qmin = video_mb_qmin;
video_enc->mb_qmax = video_mb_qmax;
video_enc->max_qdiff = video_qdiff;
video_enc->qblur = video_qblur;
video_enc->qcompress = video_qcomp;
@@ -2580,6 +2604,8 @@ const OptionDef options[] = {
{ "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
{ "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
{ "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
{ "mbqmin", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
{ "mbqmax", HAS_ARG | OPT_EXPERT, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
{ "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
{ "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
{ "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },