/* GStreamer * * FFMpeg Configuration * * Copyright (C) <2006> Mark Nauwelaerts * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "gstav.h" #include "gstavvidenc.h" #include "gstavcfg.h" #include /* some enums used in property declarations */ #define GST_TYPE_FFMPEG_PASS (gst_ffmpeg_pass_get_type ()) static GType gst_ffmpeg_pass_get_type (void) { static GType ffmpeg_pass_type = 0; if (!ffmpeg_pass_type) { static const GEnumValue ffmpeg_passes[] = { {0, "Constant Bitrate Encoding", "cbr"}, {CODEC_FLAG_QSCALE, "Constant Quantizer", "quant"}, {CODEC_FLAG_PASS1, "VBR Encoding - Pass 1", "pass1"}, {CODEC_FLAG_PASS2, "VBR Encoding - Pass 2", "pass2"}, {0, NULL, NULL}, }; ffmpeg_pass_type = g_enum_register_static ("GstLibAVEncPass", ffmpeg_passes); } return ffmpeg_pass_type; } #if 0 /* some do not support 2-pass */ #define GST_TYPE_FFMPEG_LIM_PASS (gst_ffmpeg_lim_pass_get_type ()) static GType gst_ffmpeg_lim_pass_get_type (void) { static GType ffmpeg_lim_pass_type = 0; if (!ffmpeg_lim_pass_type) { static const GEnumValue ffmpeg_lim_passes[] = { {0, "Constant Bitrate Encoding", "cbr"}, {CODEC_FLAG_QSCALE, "Constant Quantizer", "quant"}, {0, NULL, NULL}, }; ffmpeg_lim_pass_type = g_enum_register_static ("GstLibAVEncLimPass", ffmpeg_lim_passes); } return ffmpeg_lim_pass_type; } #endif #define GST_TYPE_FFMPEG_MB_DECISION (gst_ffmpeg_mb_decision_get_type ()) static GType gst_ffmpeg_mb_decision_get_type (void) { static GType ffmpeg_mb_decision_type = 0; if (!ffmpeg_mb_decision_type) { static const GEnumValue ffmpeg_mb_decisions[] = { {FF_MB_DECISION_SIMPLE, "Use method set by mb-cmp", "simple"}, {FF_MB_DECISION_BITS, "Chooses the one which needs the fewest bits aka vhq mode", "bits"}, {FF_MB_DECISION_RD, "Rate Distortion", "rd"}, {0, NULL, NULL}, }; ffmpeg_mb_decision_type = g_enum_register_static ("GstLibAVEncMBDecision", ffmpeg_mb_decisions); } return ffmpeg_mb_decision_type; } #define GST_TYPE_FFMPEG_CMP_FUNCTION (gst_ffmpeg_mb_cmp_get_type ()) static GType gst_ffmpeg_mb_cmp_get_type (void) { static GType ffmpeg_mb_cmp_type = 0; /* TODO fill out remaining values */ if (!ffmpeg_mb_cmp_type) { static const GEnumValue ffmpeg_mb_cmps[] = { {FF_CMP_SAD, "Sum of Absolute Differences", "sad"}, {FF_CMP_SSE, "Sum of Squared Errors", "sse"}, {FF_CMP_SATD, "Sum of Absolute Hadamard Transformed Differences", "satd"}, {FF_CMP_DCT, "Sum of Absolute DCT Transformed Differences", "dct"}, {FF_CMP_PSNR, "Sum of the Squared Quantization Errors", "psnr"}, {FF_CMP_BIT, "Sum of the Bits needed for the block", "bit"}, {FF_CMP_RD, "Rate Distortion optimal", "rd"}, {FF_CMP_ZERO, "ZERO", "zero"}, {FF_CMP_VSAD, "VSAD", "vsad"}, {FF_CMP_VSSE, "VSSE", "vsse"}, #if 0 /* economize a bit for now */ {FF_CMP_NSSE, "NSSE", "nsse"}, {FF_CMP_W53, "W53", "w53"}, {FF_CMP_W97, "W97", "w97"}, #endif {0, NULL, NULL}, }; ffmpeg_mb_cmp_type = g_enum_register_static ("GstLibAVCMPFunction", ffmpeg_mb_cmps); } return ffmpeg_mb_cmp_type; } #define GST_TYPE_FFMPEG_DCT_ALGO (gst_ffmpeg_dct_algo_get_type ()) static GType gst_ffmpeg_dct_algo_get_type (void) { static GType ffmpeg_dct_algo_type = 0; if (!ffmpeg_dct_algo_type) { static const GEnumValue ffmpeg_dct_algos[] = { {FF_DCT_AUTO, "Automatically select a good one", "auto"}, {FF_DCT_FASTINT, "Fast Integer", "fastint"}, {FF_DCT_INT, "Accurate Integer", "int"}, {FF_DCT_MMX, "MMX", "mmx"}, {FF_DCT_ALTIVEC, "ALTIVEC", "altivec"}, {FF_DCT_FAAN, "FAAN", "faan"}, {0, NULL, NULL}, }; ffmpeg_dct_algo_type = g_enum_register_static ("GstLibAVDCTAlgo", ffmpeg_dct_algos); } return ffmpeg_dct_algo_type; } #define GST_TYPE_FFMPEG_IDCT_ALGO (gst_ffmpeg_idct_algo_get_type ()) static GType gst_ffmpeg_idct_algo_get_type (void) { static GType ffmpeg_idct_algo_type = 0; if (!ffmpeg_idct_algo_type) { static const GEnumValue ffmpeg_idct_algos[] = { {FF_IDCT_AUTO, "Automatically select a good one", "auto"}, {FF_IDCT_INT, "JPEG reference Integer", "int"}, {FF_IDCT_SIMPLE, "Simple", "simple"}, {FF_IDCT_SIMPLEMMX, "Simple MMX", "simplemmx"}, {FF_IDCT_LIBMPEG2MMX, "LIBMPEG2MMX", "libmpeg2mmx"}, {FF_IDCT_ARM, "ARM", "arm"}, {FF_IDCT_ALTIVEC, "ALTIVEC", "altivec"}, {FF_IDCT_SH4, "SH4", "sh4"}, {FF_IDCT_SIMPLEARM, "SIMPLEARM", "simplearm"}, {FF_IDCT_H264, "H264", "h264"}, {FF_IDCT_VP3, "VP3", "vp3"}, {FF_IDCT_IPP, "IPP", "ipp"}, {FF_IDCT_XVIDMMX, "XVIDMMX", "xvidmmx"}, {0, NULL, NULL}, }; ffmpeg_idct_algo_type = g_enum_register_static ("GstLibAVIDCTAlgo", ffmpeg_idct_algos); } return ffmpeg_idct_algo_type; } #define GST_TYPE_FFMPEG_QUANT_TYPE (gst_ffmpeg_quant_type_get_type ()) static GType gst_ffmpeg_quant_type_get_type (void) { static GType ffmpeg_quant_type_type = 0; if (!ffmpeg_quant_type_type) { static const GEnumValue ffmpeg_quant_types[] = { {0, "H263 quantization", "h263"}, {1, "MPEG quantization", "mpeg"}, {0, NULL, NULL}, }; ffmpeg_quant_type_type = g_enum_register_static ("GstLibAVEncQuantTypes", ffmpeg_quant_types); } return ffmpeg_quant_type_type; } #define GST_TYPE_FFMPEG_PRE_ME (gst_ffmpeg_pre_me_get_type ()) static GType gst_ffmpeg_pre_me_get_type (void) { static GType ffmpeg_pre_me_type = 0; if (!ffmpeg_pre_me_type) { static const GEnumValue ffmpeg_pre_mes[] = { {0, "Disabled", "off"}, {1, "Only after I-frames", "key"}, {2, "Always", "all"}, {0, NULL, NULL} }; ffmpeg_pre_me_type = g_enum_register_static ("GstLibAVEncPreME", ffmpeg_pre_mes); } return ffmpeg_pre_me_type; } #define GST_TYPE_FFMPEG_PRED_METHOD (gst_ffmpeg_pred_method_get_type ()) static GType gst_ffmpeg_pred_method_get_type (void) { static GType ffmpeg_pred_method = 0; if (!ffmpeg_pred_method) { static const GEnumValue ffmpeg_pred_methods[] = { {FF_PRED_LEFT, "Left", "left"}, {FF_PRED_PLANE, "Plane", "plane"}, {FF_PRED_MEDIAN, "Median", "median"}, {0, NULL, NULL} }; ffmpeg_pred_method = g_enum_register_static ("GstLibAVEncPredMethod", ffmpeg_pred_methods); } return ffmpeg_pred_method; } #define GST_TYPE_FFMPEG_FLAGS (gst_ffmpeg_flags_get_type()) static GType gst_ffmpeg_flags_get_type (void) { static GType ffmpeg_flags_type = 0; if (!ffmpeg_flags_type) { static const GFlagsValue ffmpeg_flags[] = { {CODEC_FLAG_QSCALE, "Use fixed qscale", "qscale"}, {CODEC_FLAG_4MV, "Allow 4 MV per MB", "4mv"}, {CODEC_FLAG_QPEL, "Quartel Pel Motion Compensation", "qpel"}, {CODEC_FLAG_GMC, "GMC", "gmc"}, {CODEC_FLAG_MV0, "Always try a MB with MV (0,0)", "mv0"}, {CODEC_FLAG_LOOP_FILTER, "Loop filter", "loop-filter"}, {CODEC_FLAG_GRAY, "Only decode/encode grayscale", "gray"}, {CODEC_FLAG_NORMALIZE_AQP, "Normalize Adaptive Quantization (masking, etc)", "aqp"}, {CODEC_FLAG_GLOBAL_HEADER, "Global headers in extradata instead of every keyframe", "global-headers"}, {CODEC_FLAG_AC_PRED, "H263 Advanced Intra Coding / MPEG4 AC prediction", "aic"}, {CODEC_FLAG_CBP_RD, "Rate Distoration Optimization for CBP", "cbp-rd"}, {CODEC_FLAG_QP_RD, "Rate Distoration Optimization for QP selection", "qp-rd"}, {CODEC_FLAG_CLOSED_GOP, "Closed GOP", "closedgop"}, {0, NULL, NULL}, }; ffmpeg_flags_type = g_flags_register_static ("GstLibAVFlags", ffmpeg_flags); } return ffmpeg_flags_type; } /* provides additional info to attach to a property */ typedef struct _GParamSpecData GParamSpecData; struct _GParamSpecData { /* offset of member in the element struct that stores the property */ guint offset; /* size of the above member */ guint size; /* if TRUE, try to get the default from lavc and ignore the paramspec default */ gboolean lavc_default; /* these lists are arrays terminated by CODEC_ID_NONE entry: * property applies to a codec if it's not in the exclude_list * and in exclude_list (or the latter is NULL) */ gint *include_list; gint *exclude_list; }; /* properties whose member offset is higher than the config base * can be copied directly at context configuration time; * and can also retrieve a default value from lavc */ #define CONTEXT_CONFIG_OFFSET G_STRUCT_OFFSET (GstFFMpegVidEnc, config) /* additional info is named pointer specified by the quark */ static GQuark quark; /* central configuration store: * list of GParamSpec's with GParamSpecData attached as named pointer */ static GList *property_list; /* add the GParamSpec pspec to store with GParamSpecData * constructed from struct_type, member, default and include and exclude */ #define gst_ffmpeg_add_pspec_full(pspec, store, struct_type, member, \ default, include, exclude) \ G_STMT_START { \ GParamSpecData *_qdata = g_new0 (GParamSpecData, 1); \ GstFFMpegVidEnc _enc; \ _qdata->offset = G_STRUCT_OFFSET (struct_type, member); \ _qdata->size = sizeof (_enc.member); \ _qdata->lavc_default = default; \ _qdata->include_list = include; \ _qdata->exclude_list = exclude; \ g_param_spec_set_qdata_full (pspec, quark, _qdata, g_free); \ store = g_list_append (store, pspec); \ } G_STMT_END #define gst_ffmpeg_add_pspec(pspec, member, default, include, exclude) \ gst_ffmpeg_add_pspec_full (pspec, property_list, GstFFMpegVidEnc, member, \ default, include, exclude) /* ==== BEGIN CONFIGURATION SECTION ==== */ /* some typical include and exclude lists; modify and/or add where needed */ static gint mpeg[] = { CODEC_ID_MPEG4, CODEC_ID_MSMPEG4V1, CODEC_ID_MSMPEG4V2, CODEC_ID_MSMPEG4V3, CODEC_ID_MPEG1VIDEO, CODEC_ID_MPEG2VIDEO, CODEC_ID_H263P, CODEC_ID_FLV1, CODEC_ID_H263, CODEC_ID_NONE }; static gint huffyuv[] = { CODEC_ID_HUFFYUV, CODEC_ID_FFVHUFF, CODEC_ID_NONE }; /* Properties should be added here for registration into the config store. * Note that some may occur more than once, with different include/exclude lists, * as some may require different defaults for different codecs, * or some may have slightly varying enum-types with more or less options. * The enum-types themselves should be declared above. */ void gst_ffmpeg_cfg_init (void) { GParamSpec *pspec; /* initialize global config vars */ quark = g_quark_from_static_string ("ffmpeg-cfg-param-spec-data"); property_list = NULL; /* list properties here */ pspec = g_param_spec_enum ("pass", "Encoding pass/type", "Encoding pass/type", GST_TYPE_FFMPEG_PASS, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, pass, FALSE, mpeg, NULL); pspec = g_param_spec_float ("quantizer", "Constant Quantizer", "Constant Quantizer", 0, 30, 0.01f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, quantizer, FALSE, mpeg, NULL); pspec = g_param_spec_string ("multipass-cache-file", "Multipass Cache File", "Filename for multipass cache file", "stats.log", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, filename, FALSE, mpeg, NULL); pspec = g_param_spec_int ("bitrate-tolerance", "Bitrate Tolerance", "Number of bits the bitstream is allowed to diverge from the reference", 0, 100000000, 8000000, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.bit_rate_tolerance, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("mb-decision", "Macroblock Decision", "Macroblok Decision Mode", GST_TYPE_FFMPEG_MB_DECISION, FF_CMP_SAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.mb_decision, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("mb-cmp", "Macroblock Compare Function", "Macroblok Compare Function", GST_TYPE_FFMPEG_CMP_FUNCTION, FF_CMP_SAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.mb_cmp, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("me-pre-cmp", "Motion Estimation Pre Pass Compare Function", "Motion Estimation Pre Pass Compare Function", GST_TYPE_FFMPEG_CMP_FUNCTION, FF_CMP_SAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.me_pre_cmp, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("me-cmp", "Motion Estimation Compare Function", "Motion Estimation Compare Function", GST_TYPE_FFMPEG_CMP_FUNCTION, FF_CMP_SAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.me_cmp, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("me-sub-cmp", "Subpixel Motion Estimation Compare Function", "Subpixel Motion Estimation Compare Function", GST_TYPE_FFMPEG_CMP_FUNCTION, FF_CMP_SAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.me_sub_cmp, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("ildct-cmp", "Interlaced DCT Compare Function", "Interlaced DCT Compare Function", GST_TYPE_FFMPEG_CMP_FUNCTION, FF_CMP_VSAD, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.ildct_cmp, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("dct-algo", "DCT Algorithm", "DCT Algorithm", GST_TYPE_FFMPEG_DCT_ALGO, FF_DCT_AUTO, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.dct_algo, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("idct-algo", "IDCT Algorithm", "IDCT Algorithm", GST_TYPE_FFMPEG_IDCT_ALGO, FF_IDCT_AUTO, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.idct_algo, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("quant-type", "Quantizer Type", "Quantizer Type", GST_TYPE_FFMPEG_QUANT_TYPE, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.mpeg_quant, FALSE, mpeg, NULL); pspec = g_param_spec_int ("qmin", "Minimum Quantizer", "Minimum Quantizer", 1, 31, 2, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.qmin, FALSE, mpeg, NULL); pspec = g_param_spec_int ("qmax", "Maximum Quantizer", "Maximum Quantizer", 1, 31, 31, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.qmax, FALSE, mpeg, NULL); pspec = g_param_spec_int ("max-qdiff", "Maximum Quantizer Difference", "Maximum Quantizer Difference between frames", 1, 31, 3, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.max_qdiff, FALSE, mpeg, NULL); pspec = g_param_spec_int ("lmin", "Minimum Lagrange Multiplier", "Minimum Lagrange Multiplier", 1, 31, 2, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, lmin, FALSE, mpeg, NULL); pspec = g_param_spec_int ("lmax", "Maximum Lagrange Multiplier", "Maximum Lagrange Multiplier", 1, 31, 31, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, lmax, FALSE, mpeg, NULL); pspec = g_param_spec_float ("qcompress", "Quantizer Change", "Quantizer Change between easy and hard scenes", 0, 1.0f, 0.5f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.qcompress, FALSE, mpeg, NULL); pspec = g_param_spec_float ("qblur", "Quantizer Smoothing", "Quantizer Smoothing over time", 0, 1.0f, 0.5f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.qblur, FALSE, mpeg, NULL); pspec = g_param_spec_float ("rc-qsquish", "Ratecontrol Limiting Method", "0 means limit by clipping, otherwise use nice continuous function", 0, 99.0f, 1.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_qsquish, FALSE, mpeg, NULL); pspec = g_param_spec_float ("rc-qmod-amp", "Ratecontrol Mod", "Ratecontrol Mod", 0, 99.0f, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_qmod_amp, FALSE, mpeg, NULL); pspec = g_param_spec_int ("rc-qmod-freq", "Ratecontrol Freq", "Ratecontrol Freq", 0, 0, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_qmod_freq, FALSE, mpeg, NULL); pspec = g_param_spec_int ("rc-buffer-size", "Ratecontrol Buffer Size", "Decoder bitstream buffer size", 0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_buffer_size, FALSE, mpeg, NULL); pspec = g_param_spec_float ("rc-buffer-aggressivity", "Ratecontrol Buffer Aggressivity", "Ratecontrol Buffer Aggressivity", 0, 99.0f, 1.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_buffer_aggressivity, FALSE, mpeg, NULL); pspec = g_param_spec_int ("rc-max-rate", "Ratecontrol Maximum Bitrate", "Ratecontrol Maximum Bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_max_rate, FALSE, mpeg, NULL); pspec = g_param_spec_int ("rc-min-rate", "Ratecontrol Minimum Bitrate", "Ratecontrol Minimum Bitrate", 0, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_min_rate, FALSE, mpeg, NULL); pspec = g_param_spec_float ("rc-initial-cplx", "Initial Complexity for Pass 1 Ratecontrol", "Initial Complexity for Pass 1 Ratecontrol", 0, 9999999.0f, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_initial_cplx, FALSE, mpeg, NULL); pspec = g_param_spec_string ("rc-eq", "Ratecontrol Equation", "Ratecontrol Equation", "tex^qComp", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.rc_eq, FALSE, mpeg, NULL); pspec = g_param_spec_float ("b-quant-factor", "B-Quantizer Factor", "Factor in B-Frame Quantizer Computation", -31.0f, 31.0f, 1.25f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.b_quant_factor, FALSE, mpeg, NULL); pspec = g_param_spec_float ("b-quant-offset", "B-Quantizer Offset", "Offset in B-Frame Quantizer Computation", 0.0f, 31.0f, 1.25f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.b_quant_offset, FALSE, mpeg, NULL); pspec = g_param_spec_float ("i-quant-factor", "I-Quantizer Factor", "Factor in P-Frame Quantizer Computation", -31.0f, 31.0f, 0.8f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.i_quant_factor, FALSE, mpeg, NULL); pspec = g_param_spec_float ("i-quant-offset", "I-Quantizer Offset", "Offset in P-Frame Quantizer Computation", 0.0f, 31.0f, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.i_quant_offset, FALSE, mpeg, NULL); /* note overlap with gop-size; 0 means do not override */ pspec = g_param_spec_int ("max-key-interval", "Maximum Key Interval", "Maximum number of frames between two keyframes (< 0 is in sec)", -100, G_MAXINT, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, max_key_interval, FALSE, mpeg, NULL); pspec = g_param_spec_int ("luma-elim-threshold", "Luma Elimination Threshold", "Luma Single Coefficient Elimination Threshold", -99, 99, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.luma_elim_threshold, FALSE, mpeg, NULL); pspec = g_param_spec_int ("chroma-elim-threshold", "Chroma Elimination Threshold", "Chroma Single Coefficient Elimination Threshold", -99, 99, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.chroma_elim_threshold, FALSE, mpeg, NULL); pspec = g_param_spec_float ("lumi-masking", "Luminance Masking", "Luminance Masking", -1.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.lumi_masking, FALSE, mpeg, NULL); pspec = g_param_spec_float ("dark-masking", "Darkness Masking", "Darkness Masking", -1.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.dark_masking, FALSE, mpeg, NULL); pspec = g_param_spec_float ("temporal-cplx-masking", "Temporal Complexity Masking", "Temporal Complexity Masking", -1.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.temporal_cplx_masking, FALSE, mpeg, NULL); pspec = g_param_spec_float ("spatial-cplx-masking", "Spatial Complexity Masking", "Spatial Complexity Masking", -1.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.spatial_cplx_masking, FALSE, mpeg, NULL); pspec = g_param_spec_float ("p-masking", "P Block Masking", "P Block Masking", -1.0f, 1.0f, 0.0f, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.p_masking, FALSE, mpeg, NULL); pspec = g_param_spec_int ("dia-size", "Motion Estimation Diamond Size/Shape", "Motion Estimation Diamond Size/Shape", -2000, 2000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.dia_size, FALSE, mpeg, NULL); pspec = g_param_spec_int ("pre-dia-size", "Motion Estimation Pre Pass Diamond Size/Shape", "Motion Estimation Diamond Size/Shape", -2000, 2000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.pre_dia_size, FALSE, mpeg, NULL); pspec = g_param_spec_int ("last-predictor-count", "Last Predictor Count", "Amount of previous Motion Vector predictors", 0, 2000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.last_predictor_count, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("pre-me", "Pre Pass for Motion Estimation", "Pre Pass for Motion Estimation", GST_TYPE_FFMPEG_PRE_ME, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.pre_me, FALSE, mpeg, NULL); pspec = g_param_spec_int ("me-subpel-quality", "Motion Estimation Subpixel Quality", "Motion Estimation Subpixel Refinement Quality", 0, 8, 8, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.me_subpel_quality, FALSE, mpeg, NULL); pspec = g_param_spec_int ("me-range", "Motion Estimation Range", "Motion Estimation search range in subpel units", 0, 16000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.me_range, FALSE, mpeg, NULL); pspec = g_param_spec_int ("intra-quant-bias", "Intra Quantizer Bias", "Intra Quantizer Bias", -1000000, 1000000, FF_DEFAULT_QUANT_BIAS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.intra_quant_bias, FALSE, mpeg, NULL); pspec = g_param_spec_int ("inter-quant-bias", "Inter Quantizer Bias", "Inter Quantizer Bias", -1000000, 1000000, FF_DEFAULT_QUANT_BIAS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.inter_quant_bias, FALSE, mpeg, NULL); pspec = g_param_spec_int ("noise-reduction", "Noise Reduction", "Noise Reduction Strength", 0, 1000000, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.noise_reduction, FALSE, mpeg, NULL); pspec = g_param_spec_int ("intra-dc-precision", "Intra DC precision", "Precision of the Intra DC coefficient - 8", 0, 16, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.intra_dc_precision, FALSE, mpeg, NULL); /* TODO skipped coder_type, context_model, inter_threshold, scenechange_threshold */ pspec = g_param_spec_flags ("flags", "Flags", "Flags", GST_TYPE_FFMPEG_FLAGS, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.flags, FALSE, mpeg, NULL); pspec = g_param_spec_boolean ("interlaced", "Interlaced Material", "Interlaced Material", FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, interlaced, FALSE, mpeg, NULL); pspec = g_param_spec_int ("max-bframes", "Max B-Frames", "Maximum B-frames in a row", 0, FF_MAX_B_FRAMES, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.max_b_frames, FALSE, mpeg, NULL); pspec = g_param_spec_enum ("prediction-method", "Prediction Method", "Prediction Method", GST_TYPE_FFMPEG_PRED_METHOD, FF_PRED_LEFT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.prediction_method, FALSE, huffyuv, NULL); pspec = g_param_spec_int ("trellis", "Trellis Quantization", "Trellis RD quantization", 0, 1, 1, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); gst_ffmpeg_add_pspec (pspec, config.trellis, FALSE, mpeg, NULL); } /* ==== END CONFIGURATION SECTION ==== */ /* return TRUE if property described by pspec applies to the codec with codec_id */ static gboolean gst_ffmpeg_cfg_codec_has_pspec (enum CodecID codec_id, GParamSpec * pspec) { GParamSpecData *qdata; gint *codec; gboolean ret = FALSE; qdata = g_param_spec_get_qdata (pspec, quark); /* check if excluded first */ if ((codec = qdata->exclude_list)) { for (; *codec != CODEC_ID_NONE; ++codec) { if (*codec == codec_id) return FALSE; } } /* no include list means it is accepted */ if ((codec = qdata->include_list)) { for (; *codec != CODEC_ID_NONE; ++codec) { if (*codec == codec_id) ret = TRUE; } } else { ret = TRUE; } return ret; } /* install all properties for klass that have been registered in property_list */ void gst_ffmpeg_cfg_install_property (GstFFMpegVidEncClass * klass, guint base) { GParamSpec *pspec; GList *list; gint prop_id; AVCodecContext *ctx; prop_id = base; g_return_if_fail (base > 0); ctx = avcodec_alloc_context3 (klass->in_plugin); if (!ctx) g_warning ("could not get context"); for (list = property_list; list; list = list->next) { pspec = G_PARAM_SPEC (list->data); if (gst_ffmpeg_cfg_codec_has_pspec (klass->in_plugin->id, pspec)) { /* 'clone' the paramspec for the various codecs, * since a single paramspec cannot be owned by distinct types */ const gchar *name = g_param_spec_get_name (pspec); const gchar *nick = g_param_spec_get_nick (pspec); const gchar *blurb = g_param_spec_get_blurb (pspec); GParamSpecData *qdata = g_param_spec_get_qdata (pspec, quark); gint ctx_offset = 0; gboolean lavc_default; /* cannot obtain lavc default if no context */ if (!ctx) lavc_default = FALSE; else { ctx_offset = qdata->offset - CONTEXT_CONFIG_OFFSET; /* safety check; is it really member of the avcodec context */ if (ctx_offset < 0) lavc_default = FALSE; else lavc_default = qdata->lavc_default; } switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) { case G_TYPE_STRING:{ GParamSpecString *pstring = G_PARAM_SPEC_STRING (pspec); pspec = g_param_spec_string (name, nick, blurb, lavc_default ? G_STRUCT_MEMBER (gchar *, ctx, ctx_offset) : pstring->default_value, pspec->flags); break; } case G_TYPE_INT:{ GParamSpecInt *pint = G_PARAM_SPEC_INT (pspec); pspec = g_param_spec_int (name, nick, blurb, pint->minimum, pint->maximum, lavc_default ? G_STRUCT_MEMBER (gint, ctx, ctx_offset) : pint->default_value, pspec->flags); break; } case G_TYPE_UINT:{ GParamSpecUInt *puint = G_PARAM_SPEC_UINT (pspec); pspec = g_param_spec_uint (name, nick, blurb, puint->minimum, puint->maximum, lavc_default ? G_STRUCT_MEMBER (guint, ctx, ctx_offset) : puint->default_value, pspec->flags); break; } case G_TYPE_FLOAT:{ GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (pspec); pspec = g_param_spec_float (name, nick, blurb, pfloat->minimum, pfloat->maximum, lavc_default ? G_STRUCT_MEMBER (gfloat, ctx, ctx_offset) : pfloat->default_value, pspec->flags); break; } case G_TYPE_BOOLEAN:{ GParamSpecBoolean *pboolean = G_PARAM_SPEC_BOOLEAN (pspec); pspec = g_param_spec_boolean (name, nick, blurb, lavc_default ? G_STRUCT_MEMBER (gboolean, ctx, ctx_offset) : pboolean->default_value, pspec->flags); break; } default: if (G_IS_PARAM_SPEC_ENUM (pspec)) { GParamSpecEnum *penum = G_PARAM_SPEC_ENUM (pspec); pspec = g_param_spec_enum (name, nick, blurb, pspec->value_type, lavc_default ? G_STRUCT_MEMBER (gint, ctx, ctx_offset) : penum->default_value, pspec->flags); } else if (G_IS_PARAM_SPEC_FLAGS (pspec)) { GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (pspec); pspec = g_param_spec_flags (name, nick, blurb, pspec->value_type, lavc_default ? G_STRUCT_MEMBER (guint, ctx, ctx_offset) : pflags->default_value, pspec->flags); } else { g_critical ("%s does not yet support type %s", GST_FUNCTION, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec))); continue; } break; } g_param_spec_set_qdata (pspec, quark, qdata); g_object_class_install_property (G_OBJECT_CLASS (klass), prop_id, pspec); ++prop_id; } } if (ctx) av_free (ctx); } /* returns TRUE if it is a known property for this config system, * FALSE otherwise */ gboolean gst_ffmpeg_cfg_set_property (GObject * object, const GValue * value, GParamSpec * pspec) { GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) (object); GParamSpecData *qdata; qdata = g_param_spec_get_qdata (pspec, quark); /* our param specs should have such qdata */ if (!qdata) return FALSE; /* set the member using the offset, also mild type check based on size */ switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) { case G_TYPE_BOOLEAN: g_return_val_if_fail (qdata->size == sizeof (gboolean), TRUE); G_STRUCT_MEMBER (gboolean, ffmpegenc, qdata->offset) = g_value_get_boolean (value); break; case G_TYPE_UINT: g_return_val_if_fail (qdata->size == sizeof (guint), TRUE); G_STRUCT_MEMBER (guint, ffmpegenc, qdata->offset) = g_value_get_uint (value); break; case G_TYPE_INT: g_return_val_if_fail (qdata->size == sizeof (gint), TRUE); G_STRUCT_MEMBER (gint, ffmpegenc, qdata->offset) = g_value_get_int (value); break; case G_TYPE_FLOAT: g_return_val_if_fail (qdata->size == sizeof (gfloat), TRUE); G_STRUCT_MEMBER (gfloat, ffmpegenc, qdata->offset) = g_value_get_float (value); break; case G_TYPE_STRING: g_return_val_if_fail (qdata->size == sizeof (gchar *), TRUE); g_free (G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset)); G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset) = g_value_dup_string (value); break; default: /* must be enum, given the check above */ if (G_IS_PARAM_SPEC_ENUM (pspec)) { g_return_val_if_fail (qdata->size == sizeof (gint), TRUE); G_STRUCT_MEMBER (gint, ffmpegenc, qdata->offset) = g_value_get_enum (value); } else if (G_IS_PARAM_SPEC_FLAGS (pspec)) { g_return_val_if_fail (qdata->size == sizeof (guint), TRUE); G_STRUCT_MEMBER (guint, ffmpegenc, qdata->offset) = g_value_get_flags (value); } else { /* oops, bit lazy we don't cover this case yet */ g_critical ("%s does not yet support type %s", GST_FUNCTION, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec))); } break; } return TRUE; } /* returns TRUE if it is a known property for this config system, * FALSE otherwise */ gboolean gst_ffmpeg_cfg_get_property (GObject * object, GValue * value, GParamSpec * pspec) { GstFFMpegVidEnc *ffmpegenc = (GstFFMpegVidEnc *) (object); GParamSpecData *qdata; qdata = g_param_spec_get_qdata (pspec, quark); /* our param specs should have such qdata */ if (!qdata) return FALSE; /* get the member using the offset, also mild type check based on size */ switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) { case G_TYPE_BOOLEAN: g_return_val_if_fail (qdata->size == sizeof (gboolean), TRUE); g_value_set_boolean (value, G_STRUCT_MEMBER (gboolean, ffmpegenc, qdata->offset)); break; case G_TYPE_UINT: g_return_val_if_fail (qdata->size == sizeof (guint), TRUE); g_value_set_uint (value, G_STRUCT_MEMBER (guint, ffmpegenc, qdata->offset)); break; case G_TYPE_INT: g_return_val_if_fail (qdata->size == sizeof (gint), TRUE); g_value_set_int (value, G_STRUCT_MEMBER (gint, ffmpegenc, qdata->offset)); break; case G_TYPE_FLOAT: g_return_val_if_fail (qdata->size == sizeof (gfloat), TRUE); g_value_set_float (value, G_STRUCT_MEMBER (gfloat, ffmpegenc, qdata->offset)); break; case G_TYPE_STRING: g_return_val_if_fail (qdata->size == sizeof (gchar *), TRUE); g_value_take_string (value, g_strdup (G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset))); break; default: /* must be enum, given the check above */ if (G_IS_PARAM_SPEC_ENUM (pspec)) { g_return_val_if_fail (qdata->size == sizeof (gint), TRUE); g_value_set_enum (value, G_STRUCT_MEMBER (gint, ffmpegenc, qdata->offset)); } else if (G_IS_PARAM_SPEC_FLAGS (pspec)) { g_return_val_if_fail (qdata->size == sizeof (guint), TRUE); g_value_set_flags (value, G_STRUCT_MEMBER (guint, ffmpegenc, qdata->offset)); } else { /* oops, bit lazy we don't cover this case yet */ g_critical ("%s does not yet support type %s", GST_FUNCTION, g_type_name (G_PARAM_SPEC_VALUE_TYPE (pspec))); } break; } return TRUE; } void gst_ffmpeg_cfg_set_defaults (GstFFMpegVidEnc * ffmpegenc) { GParamSpec **pspecs; guint num_props, i; pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (ffmpegenc), &num_props); for (i = 0; i < num_props; ++i) { GValue val = { 0, }; GParamSpec *pspec = pspecs[i]; /* only touch those that are really ours; i.e. should have some qdata */ if (!g_param_spec_get_qdata (pspec, quark)) continue; g_value_init (&val, G_PARAM_SPEC_VALUE_TYPE (pspec)); g_param_value_set_default (pspec, &val); g_object_set_property (G_OBJECT (ffmpegenc), g_param_spec_get_name (pspec), &val); g_value_unset (&val); } g_free (pspecs); } void gst_ffmpeg_cfg_fill_context (GstFFMpegVidEnc * ffmpegenc, AVCodecContext * context) { GstFFMpegVidEncClass *klass = (GstFFMpegVidEncClass *) G_OBJECT_GET_CLASS (ffmpegenc); GParamSpec *pspec; GParamSpecData *qdata; GList *list; list = property_list; while (list) { gint context_offset; pspec = G_PARAM_SPEC (list->data); qdata = g_param_spec_get_qdata (pspec, quark); context_offset = qdata->offset - CONTEXT_CONFIG_OFFSET; if (gst_ffmpeg_cfg_codec_has_pspec (klass->in_plugin->id, pspec) && context_offset >= 0) { if (G_PARAM_SPEC_VALUE_TYPE (pspec) == G_TYPE_STRING) { /* make a copy for ffmpeg, it will likely free only some, * but in any case safer than a potential double free */ G_STRUCT_MEMBER (gchar *, context, context_offset) = g_strdup (G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset)); } else { /* memcpy a bit heavy for a small copy, * but hardly part of 'inner loop' */ memcpy (G_STRUCT_MEMBER_P (context, context_offset), G_STRUCT_MEMBER_P (ffmpegenc, qdata->offset), qdata->size); } } list = list->next; } } void gst_ffmpeg_cfg_finalize (GstFFMpegVidEnc * ffmpegenc) { GParamSpec **pspecs; guint num_props, i; pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (ffmpegenc), &num_props); for (i = 0; i < num_props; ++i) { GParamSpec *pspec = pspecs[i]; GParamSpecData *qdata; qdata = g_param_spec_get_qdata (pspec, quark); /* our param specs should have such qdata */ if (!qdata) continue; switch (G_PARAM_SPEC_VALUE_TYPE (pspec)) { case G_TYPE_STRING: if (qdata->size == sizeof (gchar *)) { g_free (G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset)); G_STRUCT_MEMBER (gchar *, ffmpegenc, qdata->offset) = NULL; } break; default: break; } } g_free (pspecs); }