/***************************************************************************** * avcodec.c: video and audio decoder and encoder using libavcodec ***************************************************************************** * Copyright (C) 1999-2008 VLC authors and VideoLAN * $Id$ * * Authors: Laurent Aimar * Gildas Bazin * * This program 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 program 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 program; if not, write to the Free Software Foundation, * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include #include #include #include #include #define HAVE_MMX 1 #include #include "avcodec.h" #include "chroma.h" #include "avcommon.h" /**************************************************************************** * Local prototypes ****************************************************************************/ static const int frame_skip_list[] = { -1, 0, 1, 2, 3, 4 }; static const char *const frame_skip_list_text[] = { N_("None"), N_("Default"), N_("Non-ref"), N_("Bidir"), N_("Non-key"), N_("All") }; static const int nloopf_list[] = { 0, 1, 2, 3, 4 }; static const char *const nloopf_list_text[] = { N_("None"), N_("Non-ref"), N_("Bidir"), N_("Non-key"), N_("All") }; #ifdef ENABLE_SOUT static const char *const enc_hq_list[] = { "rd", "bits", "simple" }; static const char *const enc_hq_list_text[] = { N_("rd"), N_("bits"), N_("simple") }; #endif #ifdef MERGE_FFMPEG # include "../../demux/avformat/avformat.h" # include "../../access/avio.h" # include "../../packetizer/avparser.h" #endif /***************************************************************************** * Module descriptor *****************************************************************************/ #define MODULE_DESCRIPTION N_( "Various audio and video decoders/encoders " \ "delivered by the FFmpeg library. This includes (MS)MPEG4, DivX, SV1,"\ "H261, H263, H264, WMV, WMA, AAC, AMR, DV, MJPEG and other codecs") vlc_module_begin () set_shortname( "FFmpeg") set_category( CAT_INPUT ) set_subcategory( SUBCAT_INPUT_VCODEC ) /* decoder main module */ set_description( N_("FFmpeg audio/video decoder") ) set_help( MODULE_DESCRIPTION ) set_section( N_("Decoding") , NULL ) add_shortcut("ffmpeg") set_capability("video decoder", 70) set_callbacks(InitVideoDec, EndVideoDec) add_submodule() add_shortcut("ffmpeghw") set_capability("video decoder", 10001) set_callbacks(InitVideoHwDec, EndVideoDec) add_submodule() add_shortcut("ffmpeg") set_capability("audio decoder", 70) set_callbacks(InitAudioDec, EndAudioDec) add_submodule() add_shortcut("ffmpeg") set_capability("spu decoder", 70) set_callbacks(InitSubtitleDec, EndSubtitleDec) add_obsolete_bool( "ffmpeg-dr" ) /* removed since 2.1.0 */ add_bool( "avcodec-dr", true, DR_TEXT, DR_TEXT, true ) add_bool( "avcodec-corrupted", true, CORRUPTED_TEXT, CORRUPTED_LONGTEXT, false ) add_obsolete_integer ( "ffmpeg-error-resilience" ) /* removed since 2.1.0 */ add_integer ( "avcodec-error-resilience", 1, ERROR_TEXT, ERROR_LONGTEXT, true ) add_obsolete_integer ( "ffmpeg-workaround-bugs" ) /* removed since 2.1.0 */ add_integer ( "avcodec-workaround-bugs", 1, BUGS_TEXT, BUGS_LONGTEXT, false ) add_obsolete_bool( "ffmpeg-hurry-up" ) /* removed since 2.1.0 */ add_bool( "avcodec-hurry-up", true, HURRYUP_TEXT, HURRYUP_LONGTEXT, false ) add_obsolete_integer( "ffmpeg-skip-frame") /* removed since 2.1.0 */ add_integer( "avcodec-skip-frame", 0, SKIP_FRAME_TEXT, SKIP_FRAME_LONGTEXT, true ) change_integer_list( frame_skip_list, frame_skip_list_text ) add_obsolete_integer( "ffmpeg-skip-idct" ) /* removed since 2.1.0 */ add_integer( "avcodec-skip-idct", 0, SKIP_IDCT_TEXT, SKIP_IDCT_LONGTEXT, true ) change_integer_range( -1, 4 ) add_obsolete_integer( "ffmpeg-vismv" ) /* removed since 2.1.0 */ add_obsolete_integer( "avcodec-vismv" ) /* removed since 3.0.0 */ add_obsolete_integer ( "ffmpeg-lowres" ) /* removed since 2.1.0 */ add_obsolete_bool( "ffmpeg-fast" ) /* removed since 2.1.0 */ add_bool( "avcodec-fast", false, FAST_TEXT, FAST_LONGTEXT, false ) add_obsolete_integer ( "ffmpeg-skiploopfilter" ) /* removed since 2.1.0 */ add_integer ( "avcodec-skiploopfilter", 0, SKIPLOOPF_TEXT, SKIPLOOPF_LONGTEXT, false) change_safe () change_integer_list( nloopf_list, nloopf_list_text ) add_obsolete_integer( "ffmpeg-debug" ) /* removed since 2.1.0 */ add_integer( "avcodec-debug", 0, DEBUG_TEXT, DEBUG_LONGTEXT, true ) add_obsolete_string( "ffmpeg-codec" ) /* removed since 2.1.0 */ add_string( "avcodec-codec", NULL, CODEC_TEXT, CODEC_LONGTEXT, true ) add_obsolete_bool( "ffmpeg-hw" ) /* removed since 2.1.0 */ add_module( "avcodec-hw", "hw decoder", "any", HW_TEXT, HW_LONGTEXT, false ) #if defined(FF_THREAD_FRAME) add_obsolete_integer( "ffmpeg-threads" ) /* removed since 2.1.0 */ add_integer( "avcodec-threads", 0, THREADS_TEXT, THREADS_LONGTEXT, true ); #endif add_string( "avcodec-options", NULL, AV_OPTIONS_TEXT, AV_OPTIONS_LONGTEXT, true ) #ifdef ENABLE_SOUT /* encoder submodule */ add_submodule () add_shortcut( "ffmpeg" ) set_section( N_("Encoding") , NULL ) set_description( N_("FFmpeg audio/video encoder") ) set_capability( "encoder", 100 ) set_callbacks( InitVideoEnc, EndVideoEnc ) /* removed in 2.1.0 */ add_obsolete_string( "sout-ffmpeg-codec" ) add_obsolete_string( "sout-ffmpeg-hq" ) add_obsolete_integer( "sout-ffmpeg-keyint" ) add_obsolete_integer( "sout-ffmpeg-bframes" ) add_obsolete_bool( "sout-ffmpeg-hurry-up" ) add_obsolete_bool( "sout-ffmpeg-interlace" ) add_obsolete_bool( "sout-ffmpeg-interlace-me" ) add_obsolete_integer( "sout-ffmpeg-vt" ) add_obsolete_bool( "sout-ffmpeg-pre-me" ) add_obsolete_integer( "sout-ffmpeg-rc-buffer-size" ) add_obsolete_float( "sout-ffmpeg-rc-buffer-aggressivity" ) add_obsolete_float( "sout-ffmpeg-i-quant-factor" ) add_obsolete_integer( "sout-ffmpeg-noise-reduction" ) add_obsolete_bool( "sout-ffmpeg-mpeg4-matrix" ) add_obsolete_integer( "sout-ffmpeg-qmin" ) add_obsolete_integer( "sout-ffmpeg-qmax" ) add_obsolete_bool( "sout-ffmpeg-trellis" ) add_obsolete_float( "sout-ffmpeg-qscale" ) add_obsolete_integer( "sout-ffmpeg-strict" ) add_obsolete_float( "sout-ffmpeg-lumi-masking" ) add_obsolete_float( "sout-ffmpeg-dark-masking" ) add_obsolete_float( "sout-ffmpeg-p-masking" ) add_obsolete_float( "sout-ffmpeg-border-masking" ) add_obsolete_integer( "sout-ffmpeg-luma-elim-threshold" ) add_obsolete_integer( "sout-ffmpeg-chroma-elim-threshold" ) add_obsolete_string( "sout-ffmpeg-aac-profile" ) add_string( ENC_CFG_PREFIX "codec", NULL, CODEC_TEXT, CODEC_LONGTEXT, true ) add_string( ENC_CFG_PREFIX "hq", "rd", ENC_HQ_TEXT, ENC_HQ_LONGTEXT, false ) change_string_list( enc_hq_list, enc_hq_list_text ) add_integer( ENC_CFG_PREFIX "keyint", 0, ENC_KEYINT_TEXT, ENC_KEYINT_LONGTEXT, false ) add_integer( ENC_CFG_PREFIX "bframes", 0, ENC_BFRAMES_TEXT, ENC_BFRAMES_LONGTEXT, false ) add_bool( ENC_CFG_PREFIX "hurry-up", false, ENC_HURRYUP_TEXT, ENC_HURRYUP_LONGTEXT, false ) add_bool( ENC_CFG_PREFIX "interlace", false, ENC_INTERLACE_TEXT, ENC_INTERLACE_LONGTEXT, true ) add_bool( ENC_CFG_PREFIX "interlace-me", true, ENC_INTERLACE_ME_TEXT, ENC_INTERLACE_ME_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "vt", 0, ENC_VT_TEXT, ENC_VT_LONGTEXT, true ) add_bool( ENC_CFG_PREFIX "pre-me", false, ENC_PRE_ME_TEXT, ENC_PRE_ME_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "rc-buffer-size", 0, ENC_RC_BUF_TEXT, ENC_RC_BUF_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "rc-buffer-aggressivity", 1.0, ENC_RC_BUF_AGGR_TEXT, ENC_RC_BUF_AGGR_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "i-quant-factor", 0, ENC_IQUANT_FACTOR_TEXT, ENC_IQUANT_FACTOR_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "noise-reduction", 0, ENC_NOISE_RED_TEXT, ENC_NOISE_RED_LONGTEXT, true ) add_bool( ENC_CFG_PREFIX "mpeg4-matrix", false, ENC_MPEG4_MATRIX_TEXT, ENC_MPEG4_MATRIX_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "qmin", 0, ENC_QMIN_TEXT, ENC_QMIN_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "qmax", 0, ENC_QMAX_TEXT, ENC_QMAX_LONGTEXT, true ) add_bool( ENC_CFG_PREFIX "trellis", false, ENC_TRELLIS_TEXT, ENC_TRELLIS_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "qscale", 3, ENC_QSCALE_TEXT, ENC_QSCALE_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "strict", 0, ENC_STRICT_TEXT, ENC_STRICT_LONGTEXT, true ) change_integer_range( -2, 2 ) add_float( ENC_CFG_PREFIX "lumi-masking", 0.0, ENC_LUMI_MASKING_TEXT, ENC_LUMI_MASKING_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "dark-masking", 0.0, ENC_DARK_MASKING_TEXT, ENC_DARK_MASKING_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "p-masking", 0.0, ENC_P_MASKING_TEXT, ENC_P_MASKING_LONGTEXT, true ) add_float( ENC_CFG_PREFIX "border-masking", 0.0, ENC_BORDER_MASKING_TEXT, ENC_BORDER_MASKING_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "luma-elim-threshold", 0, ENC_LUMA_ELIM_TEXT, ENC_LUMA_ELIM_LONGTEXT, true ) add_integer( ENC_CFG_PREFIX "chroma-elim-threshold", 0, ENC_CHROMA_ELIM_TEXT, ENC_CHROMA_ELIM_LONGTEXT, true ) /* Audio AAC encoder profile */ add_string( ENC_CFG_PREFIX "aac-profile", "low", ENC_PROFILE_TEXT, ENC_PROFILE_LONGTEXT, true ) add_string( ENC_CFG_PREFIX "options", NULL, AV_OPTIONS_TEXT, AV_OPTIONS_LONGTEXT, true ) #endif /* ENABLE_SOUT */ #ifdef MERGE_FFMPEG add_submodule () # include "../../demux/avformat/avformat.c" add_submodule () AVIO_MODULE add_submodule () AVPARSER_MODULE #endif vlc_module_end () AVCodecContext *ffmpeg_AllocContext( decoder_t *p_dec, const AVCodec **restrict codecp ) { unsigned i_codec_id; const char *psz_namecodec; const AVCodec *p_codec = NULL; /* *** determine codec type *** */ if( !GetFfmpegCodec( p_dec->fmt_in.i_cat, p_dec->fmt_in.i_codec, &i_codec_id, &psz_namecodec ) ) return NULL; msg_Dbg( p_dec, "using %s %s", AVPROVIDER(LIBAVCODEC), LIBAVCODEC_IDENT ); /* Initialization must be done before avcodec_find_decoder() */ vlc_init_avcodec(VLC_OBJECT(p_dec)); /* *** ask ffmpeg for a decoder *** */ char *psz_decoder = var_InheritString( p_dec, "avcodec-codec" ); if( psz_decoder != NULL ) { p_codec = avcodec_find_decoder_by_name( psz_decoder ); if( !p_codec ) msg_Err( p_dec, "Decoder `%s' not found", psz_decoder ); else if( p_codec->id != i_codec_id ) { msg_Err( p_dec, "Decoder `%s' can't handle %4.4s", psz_decoder, (char*)&p_dec->fmt_in.i_codec ); p_codec = NULL; } free( psz_decoder ); } if( !p_codec ) p_codec = avcodec_find_decoder( i_codec_id ); if( !p_codec ) { msg_Dbg( p_dec, "codec not found (%s)", psz_namecodec ); return NULL; } *codecp = p_codec; /* *** get a p_context *** */ AVCodecContext *avctx = avcodec_alloc_context3(p_codec); if( unlikely(avctx == NULL) ) return NULL; avctx->debug = var_InheritInteger( p_dec, "avcodec-debug" ); avctx->opaque = p_dec; return avctx; } /***************************************************************************** * ffmpeg_OpenCodec: *****************************************************************************/ int ffmpeg_OpenCodec( decoder_t *p_dec, AVCodecContext *ctx, const AVCodec *codec ) { char *psz_opts = var_InheritString( p_dec, "avcodec-options" ); AVDictionary *options = NULL; int ret; if (psz_opts) { vlc_av_get_options(psz_opts, &options); free(psz_opts); } vlc_avcodec_lock(); ret = avcodec_open2( ctx, codec, options ? &options : NULL ); vlc_avcodec_unlock(); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) { msg_Err( p_dec, "Unknown option \"%s\"", t->key ); } av_dict_free(&options); if( ret < 0 ) { msg_Err( p_dec, "cannot start codec (%s)", codec->name ); return VLC_EGENERIC; } msg_Dbg( p_dec, "codec (%s) started", codec->name ); return VLC_SUCCESS; }