1 /*****************************************************************************
2 * avcodec.c: video and audio decoder and encoder using libavcodec
3 *****************************************************************************
4 * Copyright (C) 1999-2008 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8 * Gildas Bazin <gbazin@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
25 /*****************************************************************************
27 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_codec.h>
35 #include <vlc_avcodec.h>
39 #ifdef HAVE_LIBAVCODEC_AVCODEC_H
40 # include <libavcodec/avcodec.h>
41 #elif defined(HAVE_FFMPEG_AVCODEC_H)
42 # include <ffmpeg/avcodec.h>
47 #if LIBAVCODEC_BUILD < 5000
48 # error You must have a libavcodec >= 5000 (get svn)
54 /*****************************************************************************
55 * decoder_sys_t: decoder descriptor
56 *****************************************************************************/
59 /* Common part between video and audio decoder */
63 /****************************************************************************
65 ****************************************************************************/
66 static int OpenDecoder( vlc_object_t * );
67 static void CloseDecoder( vlc_object_t * );
69 static const int nloopf_list[] = { 0, 1, 2, 3, 4 };
70 static const char *const nloopf_list_text[] =
71 { N_("None"), N_("Non-ref"), N_("Bidir"), N_("Non-key"), N_("All") };
74 static const char *const enc_hq_list[] = { "rd", "bits", "simple" };
75 static const char *const enc_hq_list_text[] = {
76 N_("rd"), N_("bits"), N_("simple") };
79 /*****************************************************************************
81 *****************************************************************************/
82 #define MODULE_DESCRIPTION N_( "Various audio and video decoders/encoders" \
83 "delivered by the FFmpeg library. This includes (MS)MPEG4, DivX, SV1,"\
84 "H261, H263, H264, WMV, WMA, AAC, AMR, DV, MJPEG and other codecs")
87 set_shortname( "FFmpeg")
88 add_shortcut( "ffmpeg" )
89 set_category( CAT_INPUT )
90 set_subcategory( SUBCAT_INPUT_SCODEC )
91 /* decoder main module */
92 #if defined(MODULE_NAME_is_ffmpegaltivec) \
93 || (defined(CAN_COMPILE_ALTIVEC) && !defined(NO_ALTIVEC_IN_FFMPEG))
94 set_description( N_("AltiVec FFmpeg audio/video decoder ((MS)MPEG4,SVQ1,H263,WMV,WMA)") )
95 /*add_requirement( ALTIVEC )*/
96 set_capability( "decoder", 71 )
98 set_description( N_("FFmpeg audio/video decoder") )
99 set_help( MODULE_DESCRIPTION )
100 set_capability( "decoder", 70 )
102 set_section( N_("Decoding") , NULL )
103 set_callbacks( OpenDecoder, CloseDecoder )
106 add_bool( "ffmpeg-dr", 1, NULL, DR_TEXT, DR_TEXT, true )
107 add_integer ( "ffmpeg-error-resilience", 1, NULL, ERROR_TEXT,
108 ERROR_LONGTEXT, true )
109 add_integer ( "ffmpeg-workaround-bugs", 1, NULL, BUGS_TEXT, BUGS_LONGTEXT,
111 add_bool( "ffmpeg-hurry-up", 1, NULL, HURRYUP_TEXT, HURRYUP_LONGTEXT,
113 add_integer( "ffmpeg-skip-frame", 0, NULL, SKIP_FRAME_TEXT,
114 SKIP_FRAME_LONGTEXT, true )
115 change_integer_range( -1, 4 )
116 add_integer( "ffmpeg-skip-idct", 0, NULL, SKIP_IDCT_TEXT,
117 SKIP_IDCT_LONGTEXT, true )
118 change_integer_range( -1, 4 )
119 add_integer ( "ffmpeg-vismv", 0, NULL, VISMV_TEXT, VISMV_LONGTEXT,
121 add_integer ( "ffmpeg-lowres", 0, NULL, LOWRES_TEXT, LOWRES_LONGTEXT,
123 change_integer_range( 0, 2 )
124 add_bool( "ffmpeg-fast", 0, NULL, FAST_TEXT, FAST_LONGTEXT, true )
125 add_integer ( "ffmpeg-skiploopfilter", 0, NULL, SKIPLOOPF_TEXT,
126 SKIPLOOPF_LONGTEXT, true )
128 change_integer_list( nloopf_list, nloopf_list_text, NULL )
130 add_integer( "ffmpeg-debug", 0, NULL, DEBUG_TEXT, DEBUG_LONGTEXT,
132 #ifdef HAVE_AVCODEC_VAAPI
133 add_bool( "ffmpeg-hw", true, NULL, HW_TEXT, HW_LONGTEXT, true )
137 /* encoder submodule */
139 add_shortcut( "ffmpeg" )
140 set_section( N_("Encoding") , NULL )
141 set_description( N_("FFmpeg audio/video encoder") )
142 set_capability( "encoder", 100 )
143 set_callbacks( OpenEncoder, CloseEncoder )
145 add_string( ENC_CFG_PREFIX "hq", "simple", NULL, ENC_HQ_TEXT,
146 ENC_HQ_LONGTEXT, false )
147 change_string_list( enc_hq_list, enc_hq_list_text, 0 )
148 add_integer( ENC_CFG_PREFIX "keyint", 0, NULL, ENC_KEYINT_TEXT,
149 ENC_KEYINT_LONGTEXT, false )
150 add_integer( ENC_CFG_PREFIX "bframes", 0, NULL, ENC_BFRAMES_TEXT,
151 ENC_BFRAMES_LONGTEXT, false )
152 add_bool( ENC_CFG_PREFIX "hurry-up", 0, NULL, ENC_HURRYUP_TEXT,
153 ENC_HURRYUP_LONGTEXT, false )
154 add_bool( ENC_CFG_PREFIX "interlace", 0, NULL, ENC_INTERLACE_TEXT,
155 ENC_INTERLACE_LONGTEXT, true )
156 add_bool( ENC_CFG_PREFIX "interlace-me", 1, NULL, ENC_INTERLACE_ME_TEXT,
157 ENC_INTERLACE_ME_LONGTEXT, true )
158 add_integer( ENC_CFG_PREFIX "vt", 0, NULL, ENC_VT_TEXT,
159 ENC_VT_LONGTEXT, true )
160 add_bool( ENC_CFG_PREFIX "pre-me", 0, NULL, ENC_PRE_ME_TEXT,
161 ENC_PRE_ME_LONGTEXT, true )
162 add_integer( ENC_CFG_PREFIX "rc-buffer-size", 224*1024*8, NULL,
163 ENC_RC_BUF_TEXT, ENC_RC_BUF_LONGTEXT, true )
164 add_float( ENC_CFG_PREFIX "rc-buffer-aggressivity", 1.0, NULL,
165 ENC_RC_BUF_AGGR_TEXT, ENC_RC_BUF_AGGR_LONGTEXT, true )
166 add_float( ENC_CFG_PREFIX "i-quant-factor", 0, NULL,
167 ENC_IQUANT_FACTOR_TEXT, ENC_IQUANT_FACTOR_LONGTEXT, true )
168 add_integer( ENC_CFG_PREFIX "noise-reduction", 0, NULL,
169 ENC_NOISE_RED_TEXT, ENC_NOISE_RED_LONGTEXT, true )
170 add_bool( ENC_CFG_PREFIX "mpeg4-matrix", 0, NULL,
171 ENC_MPEG4_MATRIX_TEXT, ENC_MPEG4_MATRIX_LONGTEXT, true )
172 add_integer( ENC_CFG_PREFIX "qmin", 0, NULL,
173 ENC_QMIN_TEXT, ENC_QMIN_LONGTEXT, true )
174 add_integer( ENC_CFG_PREFIX "qmax", 0, NULL,
175 ENC_QMAX_TEXT, ENC_QMAX_LONGTEXT, true )
176 add_bool( ENC_CFG_PREFIX "trellis", 0, NULL,
177 ENC_TRELLIS_TEXT, ENC_TRELLIS_LONGTEXT, true )
178 add_float( ENC_CFG_PREFIX "qscale", 0, NULL,
179 ENC_QSCALE_TEXT, ENC_QSCALE_LONGTEXT, true )
180 add_integer( ENC_CFG_PREFIX "strict", 0, NULL,
181 ENC_STRICT_TEXT, ENC_STRICT_LONGTEXT, true )
182 add_float( ENC_CFG_PREFIX "lumi-masking", 0.0, NULL,
183 ENC_LUMI_MASKING_TEXT, ENC_LUMI_MASKING_LONGTEXT, true )
184 add_float( ENC_CFG_PREFIX "dark-masking", 0.0, NULL,
185 ENC_DARK_MASKING_TEXT, ENC_DARK_MASKING_LONGTEXT, true )
186 add_float( ENC_CFG_PREFIX "p-masking", 0.0, NULL,
187 ENC_P_MASKING_TEXT, ENC_P_MASKING_LONGTEXT, true )
188 add_float( ENC_CFG_PREFIX "border-masking", 0.0, NULL,
189 ENC_BORDER_MASKING_TEXT, ENC_BORDER_MASKING_LONGTEXT, true )
190 add_integer( ENC_CFG_PREFIX "luma-elim-threshold", 0, NULL,
191 ENC_LUMA_ELIM_TEXT, ENC_LUMA_ELIM_LONGTEXT, true )
192 add_integer( ENC_CFG_PREFIX "chroma-elim-threshold", 0, NULL,
193 ENC_CHROMA_ELIM_TEXT, ENC_CHROMA_ELIM_LONGTEXT, true )
195 /* Audio AAC encoder profile */
196 add_string( ENC_CFG_PREFIX "aac-profile", "low", NULL,
197 ENC_PROFILE_TEXT, ENC_PROFILE_LONGTEXT, true )
198 #endif /* ENABLE_SOUT */
200 /* video filter submodule */
202 set_capability( "video filter2", 0 )
203 set_callbacks( OpenDeinterlace, CloseDeinterlace )
204 set_description( N_("FFmpeg deinterlace video filter") )
205 add_shortcut( "ffmpeg-deinterlace" )
209 /*****************************************************************************
210 * OpenDecoder: probe the decoder and return score
211 *****************************************************************************/
212 static int OpenDecoder( vlc_object_t *p_this )
214 decoder_t *p_dec = (decoder_t*) p_this;
215 int i_cat, i_codec_id, i_result;
216 const char *psz_namecodec;
218 AVCodecContext *p_context = NULL;
219 AVCodec *p_codec = NULL;
221 /* *** determine codec type *** */
222 if( !GetFfmpegCodec( p_dec->fmt_in.i_codec, &i_cat, &i_codec_id,
228 /* Initialization must be done before avcodec_find_decoder() */
229 InitLibavcodec(p_this);
231 /* *** ask ffmpeg for a decoder *** */
232 p_codec = avcodec_find_decoder( i_codec_id );
235 msg_Dbg( p_dec, "codec not found (%s)", psz_namecodec );
239 /* *** get a p_context *** */
240 p_context = avcodec_alloc_context();
243 p_context->debug = config_GetInt( p_dec, "ffmpeg-debug" );
244 p_context->opaque = (void *)p_this;
246 /* Set CPU capabilities */
247 unsigned i_cpu = vlc_CPU();
248 p_context->dsp_mask = 0;
249 if( !(i_cpu & CPU_CAPABILITY_MMX) )
251 p_context->dsp_mask |= FF_MM_MMX;
253 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
255 p_context->dsp_mask |= FF_MM_MMXEXT;
257 if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
259 p_context->dsp_mask |= FF_MM_3DNOW;
261 if( !(i_cpu & CPU_CAPABILITY_SSE) )
263 p_context->dsp_mask |= FF_MM_SSE;
265 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
267 p_context->dsp_mask |= FF_MM_SSE2;
270 p_dec->b_need_packetized = true;
274 p_dec->pf_decode_video = DecodeVideo;
275 i_result = InitVideoDec ( p_dec, p_context, p_codec,
276 i_codec_id, psz_namecodec );
279 p_dec->pf_decode_audio = DecodeAudio;
280 i_result = InitAudioDec ( p_dec, p_context, p_codec,
281 i_codec_id, psz_namecodec );
284 p_dec->pf_decode_sub = DecodeSubtitle;
285 i_result = InitSubtitleDec( p_dec, p_context, p_codec,
286 i_codec_id, psz_namecodec );
289 i_result = VLC_EGENERIC;
292 if( i_result == VLC_SUCCESS ) p_dec->p_sys->i_cat = i_cat;
297 /*****************************************************************************
298 * CloseDecoder: decoder destruction
299 *****************************************************************************/
300 static void CloseDecoder( vlc_object_t *p_this )
302 decoder_t *p_dec = (decoder_t *)p_this;
303 decoder_sys_t *p_sys = p_dec->p_sys;
305 switch( p_sys->i_cat )
308 EndAudioDec ( p_dec );
311 EndVideoDec ( p_dec );
314 EndSubtitleDec( p_dec );
318 if( p_sys->p_context )
320 free( p_sys->p_context->extradata );
321 p_sys->p_context->extradata = NULL;
323 if( !p_sys->b_delayed_open )
326 avcodec_close( p_sys->p_context );
327 vlc_avcodec_unlock();
329 msg_Dbg( p_dec, "ffmpeg codec (%s) stopped", p_sys->psz_namecodec );
330 av_free( p_sys->p_context );
336 void InitLibavcodec( vlc_object_t *p_object )
338 static bool b_ffmpeginit = false;
342 /* *** init ffmpeg library (libavcodec) *** */
346 avcodec_register_all();
347 av_log_set_callback( LibavutilCallback );
350 msg_Dbg( p_object, "libavcodec initialized (interface 0x%x)",
351 LIBAVCODEC_VERSION_INT );
355 msg_Dbg( p_object, "libavcodec already initialized" );
358 vlc_avcodec_unlock();