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lavc: make rc_qsquish a private option of mpegvideo encoders
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@ -2082,13 +2082,13 @@ typedef struct AVCodecContext {
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*/
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int max_qdiff;
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#if FF_API_MPV_OPT
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/**
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* ratecontrol qmin qmax limiting method
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* 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
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* - encoding: Set by user.
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* - decoding: unused
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* @deprecated use encoder private options instead
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*/
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attribute_deprecated
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float rc_qsquish;
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#endif
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float rc_qmod_amp;
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int rc_qmod_freq;
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@ -628,6 +628,12 @@ typedef struct MpegEncContext {
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int mpv_flags; ///< flags set by private options
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int quantizer_noise_shaping;
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/**
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* ratecontrol qmin qmax limiting method
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* 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
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*/
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float rc_qsquish;
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/* temp buffers for rate control */
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float *cplx_tab, *bits_tab;
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@ -672,7 +678,9 @@ typedef struct MpegEncContext {
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FF_MPV_OFFSET(chroma_elim_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, INT_MIN, INT_MAX, FF_MPV_OPT_FLAGS },\
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{ "quantizer_noise_shaping", NULL, FF_MPV_OFFSET(quantizer_noise_shaping), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
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{ "error_rate", "Simulate errors in the bitstream to test error concealment.", \
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FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },
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FF_MPV_OFFSET(error_rate), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, FF_MPV_OPT_FLAGS },\
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{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", \
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FF_MPV_OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, 0, 99, FF_MPV_OPT_FLAGS},
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extern const AVOption ff_mpv_generic_options[];
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@ -822,6 +822,13 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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#if FF_API_MPV_OPT
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FF_DISABLE_DEPRECATION_WARNINGS
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if (avctx->rc_qsquish != 0.0)
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s->rc_qsquish = avctx->rc_qsquish;
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FF_ENABLE_DEPRECATION_WARNINGS
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#endif
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if (avctx->b_frame_strategy == 2) {
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for (i = 0; i < s->max_b_frames + 2; i++) {
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s->tmp_frames[i] = av_frame_alloc();
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@ -163,7 +163,9 @@ static const AVOption avcodec_options[] = {
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{"has_b_frames", NULL, OFFSET(has_b_frames), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
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{"block_align", NULL, OFFSET(block_align), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
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{"mpeg_quant", "use MPEG quantizers instead of H.263", OFFSET(mpeg_quant), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"qsquish", "how to keep quantizer between qmin and qmax (0 = clip, 1 = use differentiable function)", OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 99, V|E},
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#if FF_API_MPV_OPT
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{"qsquish", "deprecated, use encoder private options instead", OFFSET(rc_qsquish), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, 0, 99, V|E},
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#endif
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{"rc_qmod_amp", "experimental quantizer modulation", OFFSET(rc_qmod_amp), AV_OPT_TYPE_FLOAT, {.dbl = DEFAULT }, -FLT_MAX, FLT_MAX, V|E},
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{"rc_qmod_freq", "experimental quantizer modulation", OFFSET(rc_qmod_freq), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX, V|E},
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{"rc_override_count", NULL, OFFSET(rc_override_count), AV_OPT_TYPE_INT, {.i64 = DEFAULT }, INT_MIN, INT_MAX},
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@ -553,7 +553,7 @@ static double modify_qscale(MpegEncContext *s, RateControlEntry *rce,
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av_dlog(s, "q:%f max:%f min:%f size:%f index:%f agr:%f\n",
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q, max_rate, min_rate, buffer_size, rcc->buffer_index,
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s->avctx->rc_buffer_aggressivity);
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if (s->avctx->rc_qsquish == 0.0 || qmin == qmax) {
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if (s->rc_qsquish == 0.0 || qmin == qmax) {
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if (q < qmin)
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q = qmin;
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else if (q > qmax)
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@ -159,5 +159,8 @@
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#ifndef FF_API_AVCTX_TIMEBASE
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#define FF_API_AVCTX_TIMEBASE (LIBAVCODEC_VERSION_MAJOR < 59)
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#endif
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#ifndef FF_API_MPV_OPT
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#define FF_API_MPV_OPT (LIBAVCODEC_VERSION_MAJOR < 59)
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#endif
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#endif /* AVCODEC_VERSION_H */
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