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lavc: make rc_qmod_* into private options of mpegvideo encoders

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This commit is contained in:
Anton Khirnov 2013-10-27 13:51:16 +01:00
parent a6e4ce9fd5
commit 946f95354b
5 changed files with 19 additions and 7 deletions
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4
libavcodec/avcodec.h
View File

@ -2088,10 +2088,12 @@ typedef struct AVCodecContext {
*/
attribute_deprecated
float rc_qsquish;
#endif
attribute_deprecated
float rc_qmod_amp;
attribute_deprecated
int rc_qmod_freq;
#endif
/**
* decoder bitstream buffer size

8
libavcodec/mpegvideo.h
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@ -28,6 +28,8 @@
#ifndef AVCODEC_MPEGVIDEO_H
#define AVCODEC_MPEGVIDEO_H
#include <float.h>
#include "avcodec.h"
#include "blockdsp.h"
#include "error_resilience.h"
@ -633,6 +635,8 @@ typedef struct MpegEncContext {
* 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
*/
float rc_qsquish;
float rc_qmod_amp;
int rc_qmod_freq;
/* temp buffers for rate control */
float *cplx_tab, *bits_tab;
@ -680,7 +684,9 @@ typedef struct MpegEncContext {
{ "error_rate", "Simulate errors in the bitstream to test error concealment.", \
FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \
FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS},
FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS}, \
{"rc_qmod_amp", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, FF_MPV_OPT_FLAGS}, \
{"rc_qmod_freq", "experimental quantizer modulation", FF_MPV_OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS},
extern const AVOption ff_mpv_generic_options[];

4
libavcodec/mpegvideo_enc.c
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@ -826,6 +826,10 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->rc_qsquish != 0.0)
s->rc_qsquish = avctx->rc_qsquish;
if (avctx->rc_qmod_amp != 0.0)
s->rc_qmod_amp = avctx->rc_qmod_amp;
if (avctx->rc_qmod_freq)
s->rc_qmod_freq = avctx->rc_qmod_freq;
FF_ENABLE_DEPRECATION_WARNINGS
#endif

4
libavcodec/options_table.h
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@ -165,9 +165,9 @@ static const AVOption avcodec_options[] = {
{"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
#if FF_API_MPV_OPT
{"qsquish", "deprecated, use encoder private options instead", OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 99, V|E},
{"rc_qmod_amp", "deprecated, use encoder private options instead", OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
{"rc_qmod_freq", "deprecated, use encoder private options instead", OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
#endif
{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
{"rc_override_count", NULL, OFFSET(rc_override_count), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
{"rc_eq", "Set rate control equation. When computing the expression, besides the standard functions "
"defined in the section 'Expression Evaluation', the following functions are available: "

6
libavcodec/ratecontrol.c
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@ -500,10 +500,10 @@ static double modify_qscale(MpegEncContext *s, RateControlEntry *rce,
get_qminmax(&qmin, &qmax, s, pict_type);
/* modulation */
if (s->avctx->rc_qmod_freq &&
frame_num % s->avctx->rc_qmod_freq == 0 &&
if (s->rc_qmod_freq &&
frame_num % s->rc_qmod_freq == 0 &&
pict_type == AV_PICTURE_TYPE_P)
q *= s->avctx->rc_qmod_amp;
q *= s->rc_qmod_amp;
/* buffer overflow/underflow protection */
if (buffer_size) {