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/*******************************************************************************
params.c
libquicktime - A library for reading and writing quicktime/avi/mp4 files.
http://libquicktime.sourceforge.net
Copyright (C) 2002 Heroine Virtual Ltd.
Copyright (C) 2002-2011 Members of the libquicktime project.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
#include "lqt_private.h"
#include "params.h"
#include AVCODEC_HEADER
#include <string.h>
#include "ffmpeg.h"
typedef struct
{
char * s;
int i;
} enum_t;
#define PARAM_INT(name, var) \
if(!strcasecmp(name, key)) \
{ \
ctx->var = *(int*)value; \
found = 1; \
}
#define PARAM_INT_SCALE(name, var, scale) \
if(!strcasecmp(name, key)) \
{ \
ctx->var = (*(int*)value) * scale; \
found = 1; \
}
#define PARAM_QP2LAMBDA(name, var) \
if(!strcasecmp(name, key)) \
{ \
ctx->var = (int)((*(float*)value) * FF_QP2LAMBDA+0.5); \
found = 1; \
}
#define PARAM_FLOAT(name, var) \
if(!strcasecmp(name, key)) \
{ \
ctx->var = (*(float*)value); \
found = 1; \
}
#define PARAM_CMP_CHROMA(name,var) \
{ \
if(!strcasecmp(name, key)) \
{ \
if(*(int*)value) \
ctx->var |= FF_CMP_CHROMA; \
else \
ctx->var &= ~FF_CMP_CHROMA; \
\
found = 1; \
} \
}
#define PARAM_FLAG(name,flag) \
{ \
if(!strcasecmp(name, key)) \
{ \
if(*(int*)value) \
ctx->flags |= flag; \
else \
ctx->flags &= ~flag; \
\
found = 1; \
} \
}
#define PARAM_FLAG2(name,flag) \
{ \
if(!strcasecmp(name, key)) \
{ \
if(*(int*)value) \
ctx->flags2 |= flag; \
else \
ctx->flags2 &= ~flag; \
\
found = 1; \
} \
}
#define PARAM_DICT_INT(name, dict_name) \
{ \
if(!strcasecmp(name, key)) \
{ \
char buf[128]; \
snprintf(buf, sizeof(buf), "%d", *(int*)value); \
av_dict_set(options, dict_name, buf, 0); \
found = 1; \
} \
}
#define PARAM_DICT_FLAG(name, dict_name) \
{ \
if(!strcasecmp(name, key)) \
{ \
char buf[128]; \
snprintf(buf, 128, "%d", *(int*)value); \
av_dict_set(options, dict_name, buf, 0); \
found = 1; \
} \
}
enum_t prediction_method[] =
{
{ "Left", FF_PRED_LEFT },
{ "Plane", FF_PRED_PLANE },
{ "Median", FF_PRED_MEDIAN }
};
enum_t compare_func[] =
{
{ "SAD", FF_CMP_SAD },
{ "SSE", FF_CMP_SSE },
{ "SATD", FF_CMP_SATD },
{ "DCT", FF_CMP_DCT },
{ "PSNR", FF_CMP_PSNR },
{ "BIT", FF_CMP_BIT },
{ "RD", FF_CMP_RD },
{ "ZERO", FF_CMP_ZERO },
{ "VSAD", FF_CMP_VSAD },
{ "VSSE", FF_CMP_VSSE },
{ "NSSE", FF_CMP_NSSE }
};
enum_t mb_decision[] =
{
{ "Use compare function", FF_MB_DECISION_SIMPLE },
{ "Fewest bits", FF_MB_DECISION_BITS },
{ "Rate distoration", FF_MB_DECISION_RD }
};
#define PARAM_ENUM(name, var, arr) \
if(!strcasecmp(key, name)) \
{ \
for(i = 0; i < sizeof(arr)/sizeof(arr[0]); i++) \
{ \
if(!strcasecmp((char*)value, arr[i].s)) \
{ \
ctx->var = arr[i].i; \
break; \
} \
} \
found = 1; \
}
void lqt_ffmpeg_set_parameter(AVCodecContext * ctx,
#if LIBAVCODEC_VERSION_MAJOR >= 54
AVDictionary ** options,
#endif
const char * key,
const void * value)
{
int found = 0, i;
/*
* IMPORTANT: To keep the mess at a reasonable level,
* *all* parameters *must* appear in the same order as in
* the AVCocecContext structure, except the flags, which come at the very end
*/
PARAM_INT_SCALE("ff_bit_rate_audio",bit_rate,1000);
PARAM_INT_SCALE("ff_bit_rate_video",bit_rate,1000);
PARAM_INT_SCALE("ff_bit_rate_tolerance",bit_rate_tolerance,1000);
PARAM_DICT_INT("ff_me_method","motion-est");
PARAM_INT("ff_gop_size",gop_size);
PARAM_FLOAT("ff_qcompress",qcompress);
PARAM_FLOAT("ff_qblur",qblur);
PARAM_INT("ff_qmin",qmin);
PARAM_INT("ff_qmax",qmax);
PARAM_INT("ff_max_qdiff",max_qdiff);
PARAM_INT("ff_max_b_frames",max_b_frames);
PARAM_FLOAT("ff_b_quant_factor",b_quant_factor);
PARAM_INT("ff_b_frame_strategy",b_frame_strategy);
#if LIBAVCODEC_VERSION_MAJOR >= 55
PARAM_DICT_INT("ff_luma_elim_threshold","luma_elim_threshold");
PARAM_DICT_INT("ff_chroma_elim_threshold","chroma_elim_threshold");
#else
PARAM_INT("ff_luma_elim_threshold",luma_elim_threshold);
PARAM_INT("ff_chroma_elim_threshold",chroma_elim_threshold);
#endif
PARAM_INT("ff_strict_std_compliance",strict_std_compliance);
PARAM_QP2LAMBDA("ff_b_quant_offset",b_quant_offset);
PARAM_INT("ff_rc_min_rate",rc_min_rate);
PARAM_INT("ff_rc_max_rate",rc_max_rate);
PARAM_INT_SCALE("ff_rc_buffer_size",rc_buffer_size,1000);
PARAM_FLOAT("ff_i_quant_factor",i_quant_factor);
PARAM_QP2LAMBDA("ff_i_quant_offset",i_quant_offset);
PARAM_DICT_INT("ff_rc_initial_cplx","rc_init_cplx");
PARAM_FLOAT("ff_lumi_masking",lumi_masking);
PARAM_FLOAT("ff_temporal_cplx_masking",temporal_cplx_masking);
PARAM_FLOAT("ff_spatial_cplx_masking",spatial_cplx_masking);
PARAM_FLOAT("ff_p_masking",p_masking);
PARAM_FLOAT("ff_dark_masking",dark_masking);
PARAM_ENUM("ff_prediction_method",prediction_method,prediction_method);
PARAM_ENUM("ff_me_cmp",me_cmp,compare_func);
PARAM_CMP_CHROMA("ff_me_cmp_chroma",me_cmp);
PARAM_ENUM("ff_me_sub_cmp",me_sub_cmp,compare_func);
PARAM_CMP_CHROMA("ff_me_sub_cmp_chroma",me_sub_cmp);
PARAM_ENUM("ff_mb_cmp",mb_cmp,compare_func);
PARAM_CMP_CHROMA("ff_mb_cmp_chroma",mb_cmp);
PARAM_ENUM("ff_ildct_cmp",ildct_cmp,compare_func);
PARAM_CMP_CHROMA("ff_ildct_cmp_chroma",ildct_cmp);
PARAM_INT("ff_dia_size",dia_size);
PARAM_INT("ff_last_predictor_count",last_predictor_count);
PARAM_INT("ff_pre_me",pre_me);
PARAM_ENUM("ff_me_pre_cmp",me_pre_cmp,compare_func);
PARAM_CMP_CHROMA("ff_pre_me_cmp_chroma",me_pre_cmp);
PARAM_INT("ff_pre_dia_size",pre_dia_size);
PARAM_INT("ff_me_subpel_quality",me_subpel_quality);
PARAM_INT("ff_me_range",me_range);
PARAM_ENUM("ff_mb_decision",mb_decision,mb_decision);
PARAM_INT("ff_scenechange_threshold",scenechange_threshold);
PARAM_DICT_INT("ff_lmin", "lmin");
PARAM_DICT_INT("ff_lmax", "lmax");
PARAM_INT("ff_noise_reduction",noise_reduction);
PARAM_INT_SCALE("ff_rc_initial_buffer_occupancy",rc_initial_buffer_occupancy,1000);
#if LIBAVCODEC_VERSION_MAJOR >= 55
PARAM_DICT_INT("ff_inter_threshold","inter_threshold");
PARAM_DICT_INT("ff_quantizer_noise_shaping","quantizer_noise_shaping");
#else
PARAM_INT("ff_inter_threshold",inter_threshold);
PARAM_INT("ff_quantizer_noise_shaping",quantizer_noise_shaping);
#endif
PARAM_INT("ff_thread_count",thread_count);
PARAM_INT("ff_nsse_weight",nsse_weight);
PARAM_DICT_INT("ff_border_masking","border_mask");
PARAM_QP2LAMBDA("ff_mb_lmin", mb_lmin);
PARAM_QP2LAMBDA("ff_mb_lmax", mb_lmax);
PARAM_INT("ff_me_penalty_compensation",me_penalty_compensation);
PARAM_INT("ff_bidir_refine",bidir_refine);
PARAM_INT("ff_brd_scale",brd_scale);
PARAM_FLAG("ff_flag_qscale",AV_CODEC_FLAG_QSCALE);
PARAM_FLAG("ff_flag_4mv",AV_CODEC_FLAG_4MV);
PARAM_FLAG("ff_flag_qpel",AV_CODEC_FLAG_QPEL);
PARAM_DICT_FLAG("ff_flag_gmc","gmc");
PARAM_DICT_FLAG("ff_flag_mv0","mpv_flags");
// PARAM_FLAG("ff_flag_part",CODEC_FLAG_PART); // Unused
PARAM_FLAG("ff_flag_gray",AV_CODEC_FLAG_GRAY);
PARAM_DICT_FLAG("ff_flag_normalize_aqp","naq");
// PARAM_FLAG("ff_flag_alt_scan",CODEC_FLAG_ALT_SCAN); // Unused
#if LIBAVCODEC_VERSION_INT < ((52<<16)+(0<<8)+0)
PARAM_FLAG("ff_flag_trellis_quant",CODEC_FLAG_TRELLIS_QUANT);
#else
PARAM_INT("ff_trellis",trellis);
#endif
PARAM_FLAG("ff_flag_bitexact",AV_CODEC_FLAG_BITEXACT);
PARAM_FLAG("ff_flag_ac_pred",AV_CODEC_FLAG_AC_PRED);
// PARAM_FLAG("ff_flag_h263p_umv",CODEC_FLAG_H263P_UMV); // Unused
#if LIBAVCODEC_VERSION_MAJOR >= 55
PARAM_DICT_FLAG("ff_flag_cbp_rd","cbp_rd");
PARAM_DICT_FLAG("ff_flag_qp_rd","qp_rd");
PARAM_DICT_FLAG("ff_flag2_strict_gop","strict_gop");
#else
PARAM_FLAG("ff_flag_cbp_rd",AV_CODEC_FLAG_CBP_RD);
PARAM_FLAG("ff_flag_qp_rd",AV_CODEC_FLAG_QP_RD);
PARAM_FLAG2("ff_flag2_strict_gop",AV_CODEC_FLAG2_STRICT_GOP);
#endif
#if LIBAVCODEC_VERSION_MAJOR >= 54
PARAM_DICT_FLAG("ff_flag_h263p_aiv", "aiv");
PARAM_DICT_FLAG("ff_flag_obmc","obmc");
PARAM_DICT_FLAG("ff_flag_h263p_slice_struct","structured_slices");
#else
PARAM_FLAG("ff_flag_h263p_aiv",AV_CODEC_FLAG_H263P_AIV);
PARAM_FLAG("ff_flag_obmc",AV_CODEC_FLAG_OBMC);
PARAM_FLAG("ff_flag_h263p_slice_struct",AV_CODEC_FLAG_H263P_SLICE_STRUCT);
#endif
PARAM_FLAG("ff_flag_loop_filter",AV_CODEC_FLAG_LOOP_FILTER);
PARAM_FLAG("ff_flag_closed_gop",AV_CODEC_FLAG_CLOSED_GOP);
PARAM_FLAG2("ff_flag2_fast",AV_CODEC_FLAG2_FAST);
PARAM_DICT_INT("ff_coder_type","coder");
}
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