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author | Michael Niedermayer <michaelni@gmx.at> | 2002-12-18 10:09:43 +0000 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2002-12-18 10:09:43 +0000 |
commit | 17a70fdeeff1260ac9b2651ea9f36dbd23d0ced8 (patch) | |
tree | 86edc0afa4880c8ed87d5c76192dde4f120f8dda | |
parent | 8fc698950b5fdbb947ae8718e10adca6bd1560fa (diff) | |
download | ffmpeg-17a70fdeeff1260ac9b2651ea9f36dbd23d0ced8.tar.gz |
mb qp limits
Originally committed as revision 1340 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r-- | ffmpeg.c | 26 | ||||
-rw-r--r-- | libavcodec/avcodec.h | 19 | ||||
-rw-r--r-- | libavcodec/ratecontrol.c | 4 | ||||
-rw-r--r-- | libavcodec/utils.c | 2 |
4 files changed, 47 insertions, 4 deletions
@@ -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" }, diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 1cad8c2eae..606cfd814b 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -5,8 +5,8 @@ #define LIBAVCODEC_VERSION_INT 0x000406 #define LIBAVCODEC_VERSION "0.4.6" -#define LIBAVCODEC_BUILD 4645 -#define LIBAVCODEC_BUILD_STR "4645" +#define LIBAVCODEC_BUILD 4646 +#define LIBAVCODEC_BUILD_STR "4646" enum CodecID { CODEC_ID_NONE, @@ -828,6 +828,7 @@ typedef struct AVCodecContext { #define FF_DEBUG_QP 16 #define FF_DEBUG_MV 32 #define FF_DEBUG_VIS_MV 64 +#define FF_DEBUG_SKIP 128 /** * error @@ -835,6 +836,20 @@ typedef struct AVCodecContext { * decoding: unused */ uint64_t error[4]; + + /** + * minimum MB quantizer + * encoding: set by user. + * decoding: unused + */ + int mb_qmin; + + /** + * maximum MB quantizer + * encoding: set by user. + * decoding: unused + */ + int mb_qmax; } AVCodecContext; typedef struct AVCodec { diff --git a/libavcodec/ratecontrol.c b/libavcodec/ratecontrol.c index 1fcb60a3db..6be99cc4d0 100644 --- a/libavcodec/ratecontrol.c +++ b/libavcodec/ratecontrol.c @@ -474,8 +474,8 @@ static void adaptive_quantization(MpegEncContext *s, double q){ float cplx_sum= 0.0; float cplx_tab[s->mb_num]; float bits_tab[s->mb_num]; - const int qmin= 2; //s->avctx->mb_qmin; - const int qmax= 31; //s->avctx->mb_qmax; + const int qmin= s->avctx->mb_qmin; + const int qmax= s->avctx->mb_qmax; Picture * const pic= &s->current_picture; for(i=0; i<s->mb_num; i++){ diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 907eb5804f..7ebc7d29e5 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -217,6 +217,8 @@ void avcodec_get_context_defaults(AVCodecContext *s){ s->bit_rate_tolerance= s->bit_rate*10; s->qmin= 2; s->qmax= 31; + s->mb_qmin= 2; + s->mb_qmax= 31; s->rc_eq= "tex^qComp"; s->qcompress= 0.5; s->max_qdiff= 3; |