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>
40 #ifdef HAVE_LIBAVCODEC_AVCODEC_H
41 # include <libavcodec/avcodec.h>
42 #elif defined(HAVE_FFMPEG_AVCODEC_H)
43 # include <ffmpeg/avcodec.h>
51 #if LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 52, 2, 0 )
52 # error You must update libavcodec to a version >= 52.2.0
53 #elif LIBAVCODEC_VERSION_INT < AV_VERSION_INT( 52, 25, 0 )
54 # warning You should update libavcodec to get subtitle support
57 /*****************************************************************************
58 * decoder_sys_t: decoder descriptor
59 *****************************************************************************/
62 /* Common part between video and audio decoder */
66 /****************************************************************************
68 ****************************************************************************/
69 static int OpenDecoder( vlc_object_t * );
70 static void CloseDecoder( vlc_object_t * );
72 static const int nloopf_list[] = { 0, 1, 2, 3, 4 };
73 static const char *const nloopf_list_text[] =
74 { N_("None"), N_("Non-ref"), N_("Bidir"), N_("Non-key"), N_("All") };
77 static const char *const enc_hq_list[] = { "rd", "bits", "simple" };
78 static const char *const enc_hq_list_text[] = {
79 N_("rd"), N_("bits"), N_("simple") };
83 # include "../../demux/avformat/avformat.h"
84 # include "../../access/avio.h"
87 /*****************************************************************************
89 *****************************************************************************/
90 #define MODULE_DESCRIPTION N_( "Various audio and video decoders/encoders " \
91 "delivered by the FFmpeg library. This includes (MS)MPEG4, DivX, SV1,"\
92 "H261, H263, H264, WMV, WMA, AAC, AMR, DV, MJPEG and other codecs")
95 set_shortname( "FFmpeg")
96 add_shortcut( "ffmpeg" )
97 set_category( CAT_INPUT )
98 set_subcategory( SUBCAT_INPUT_VCODEC )
99 /* decoder main module */
100 #if defined(MODULE_NAME_is_ffmpegaltivec) \
101 || (defined(CAN_COMPILE_ALTIVEC) && !defined(NO_ALTIVEC_IN_FFMPEG))
102 set_description( N_("AltiVec FFmpeg audio/video decoder ((MS)MPEG4,SVQ1,H263,WMV,WMA)") )
103 /*add_requirement( ALTIVEC )*/
104 set_capability( "decoder", 71 )
106 set_description( N_("FFmpeg audio/video decoder") )
107 set_help( MODULE_DESCRIPTION )
108 set_capability( "decoder", 70 )
110 set_section( N_("Decoding") , NULL )
111 set_callbacks( OpenDecoder, CloseDecoder )
114 add_bool( "ffmpeg-dr", true, NULL, DR_TEXT, DR_TEXT, true )
115 add_integer ( "ffmpeg-error-resilience", 1, NULL, ERROR_TEXT,
116 ERROR_LONGTEXT, true )
117 add_integer ( "ffmpeg-workaround-bugs", 1, NULL, BUGS_TEXT, BUGS_LONGTEXT,
119 add_bool( "ffmpeg-hurry-up", true, NULL, HURRYUP_TEXT, HURRYUP_LONGTEXT,
121 add_integer( "ffmpeg-skip-frame", 0, NULL, SKIP_FRAME_TEXT,
122 SKIP_FRAME_LONGTEXT, true )
123 change_integer_range( -1, 4 )
124 add_integer( "ffmpeg-skip-idct", 0, NULL, SKIP_IDCT_TEXT,
125 SKIP_IDCT_LONGTEXT, true )
126 change_integer_range( -1, 4 )
127 add_integer ( "ffmpeg-vismv", 0, NULL, VISMV_TEXT, VISMV_LONGTEXT,
129 add_integer ( "ffmpeg-lowres", 0, NULL, LOWRES_TEXT, LOWRES_LONGTEXT,
131 change_integer_range( 0, 2 )
132 add_bool( "ffmpeg-fast", false, NULL, FAST_TEXT, FAST_LONGTEXT, true )
133 add_integer ( "ffmpeg-skiploopfilter", 0, NULL, SKIPLOOPF_TEXT,
134 SKIPLOOPF_LONGTEXT, true )
136 change_integer_list( nloopf_list, nloopf_list_text, NULL )
138 add_integer( "ffmpeg-debug", 0, NULL, DEBUG_TEXT, DEBUG_LONGTEXT,
140 #if defined(HAVE_AVCODEC_VAAPI) || defined(HAVE_AVCODEC_DXVA2)
141 add_bool( "ffmpeg-hw", false, NULL, HW_TEXT, HW_LONGTEXT, true )
143 #if defined(FF_THREAD_FRAME)
144 add_integer( "ffmpeg-threads", 0, NULL, THREADS_TEXT, THREADS_LONGTEXT, true );
149 /* encoder submodule */
151 add_shortcut( "ffmpeg" )
152 set_section( N_("Encoding") , NULL )
153 set_description( N_("FFmpeg audio/video encoder") )
154 set_capability( "encoder", 100 )
155 set_callbacks( OpenEncoder, CloseEncoder )
157 add_string( ENC_CFG_PREFIX "hq", "simple", NULL, ENC_HQ_TEXT,
158 ENC_HQ_LONGTEXT, false )
159 change_string_list( enc_hq_list, enc_hq_list_text, 0 )
160 add_integer( ENC_CFG_PREFIX "keyint", 0, NULL, ENC_KEYINT_TEXT,
161 ENC_KEYINT_LONGTEXT, false )
162 add_integer( ENC_CFG_PREFIX "bframes", 0, NULL, ENC_BFRAMES_TEXT,
163 ENC_BFRAMES_LONGTEXT, false )
164 add_bool( ENC_CFG_PREFIX "hurry-up", false, NULL, ENC_HURRYUP_TEXT,
165 ENC_HURRYUP_LONGTEXT, false )
166 add_bool( ENC_CFG_PREFIX "interlace", false, NULL, ENC_INTERLACE_TEXT,
167 ENC_INTERLACE_LONGTEXT, true )
168 add_bool( ENC_CFG_PREFIX "interlace-me", true, NULL, ENC_INTERLACE_ME_TEXT,
169 ENC_INTERLACE_ME_LONGTEXT, true )
170 add_integer( ENC_CFG_PREFIX "vt", 0, NULL, ENC_VT_TEXT,
171 ENC_VT_LONGTEXT, true )
172 add_bool( ENC_CFG_PREFIX "pre-me", false, NULL, ENC_PRE_ME_TEXT,
173 ENC_PRE_ME_LONGTEXT, true )
174 add_integer( ENC_CFG_PREFIX "rc-buffer-size", 224*1024*8, NULL,
175 ENC_RC_BUF_TEXT, ENC_RC_BUF_LONGTEXT, true )
176 add_float( ENC_CFG_PREFIX "rc-buffer-aggressivity", 1.0, NULL,
177 ENC_RC_BUF_AGGR_TEXT, ENC_RC_BUF_AGGR_LONGTEXT, true )
178 add_float( ENC_CFG_PREFIX "i-quant-factor", 0, NULL,
179 ENC_IQUANT_FACTOR_TEXT, ENC_IQUANT_FACTOR_LONGTEXT, true )
180 add_integer( ENC_CFG_PREFIX "noise-reduction", 0, NULL,
181 ENC_NOISE_RED_TEXT, ENC_NOISE_RED_LONGTEXT, true )
182 add_bool( ENC_CFG_PREFIX "mpeg4-matrix", false, NULL,
183 ENC_MPEG4_MATRIX_TEXT, ENC_MPEG4_MATRIX_LONGTEXT, true )
184 add_integer( ENC_CFG_PREFIX "qmin", 0, NULL,
185 ENC_QMIN_TEXT, ENC_QMIN_LONGTEXT, true )
186 add_integer( ENC_CFG_PREFIX "qmax", 0, NULL,
187 ENC_QMAX_TEXT, ENC_QMAX_LONGTEXT, true )
188 add_bool( ENC_CFG_PREFIX "trellis", false, NULL,
189 ENC_TRELLIS_TEXT, ENC_TRELLIS_LONGTEXT, true )
190 add_float( ENC_CFG_PREFIX "qscale", 0, NULL,
191 ENC_QSCALE_TEXT, ENC_QSCALE_LONGTEXT, true )
192 add_integer( ENC_CFG_PREFIX "strict", 0, NULL,
193 ENC_STRICT_TEXT, ENC_STRICT_LONGTEXT, true )
194 add_float( ENC_CFG_PREFIX "lumi-masking", 0.0, NULL,
195 ENC_LUMI_MASKING_TEXT, ENC_LUMI_MASKING_LONGTEXT, true )
196 add_float( ENC_CFG_PREFIX "dark-masking", 0.0, NULL,
197 ENC_DARK_MASKING_TEXT, ENC_DARK_MASKING_LONGTEXT, true )
198 add_float( ENC_CFG_PREFIX "p-masking", 0.0, NULL,
199 ENC_P_MASKING_TEXT, ENC_P_MASKING_LONGTEXT, true )
200 add_float( ENC_CFG_PREFIX "border-masking", 0.0, NULL,
201 ENC_BORDER_MASKING_TEXT, ENC_BORDER_MASKING_LONGTEXT, true )
202 add_integer( ENC_CFG_PREFIX "luma-elim-threshold", 0, NULL,
203 ENC_LUMA_ELIM_TEXT, ENC_LUMA_ELIM_LONGTEXT, true )
204 add_integer( ENC_CFG_PREFIX "chroma-elim-threshold", 0, NULL,
205 ENC_CHROMA_ELIM_TEXT, ENC_CHROMA_ELIM_LONGTEXT, true )
207 /* Audio AAC encoder profile */
208 add_string( ENC_CFG_PREFIX "aac-profile", "low", NULL,
209 ENC_PROFILE_TEXT, ENC_PROFILE_LONGTEXT, true )
210 #endif /* ENABLE_SOUT */
212 /* video filter submodule */
214 set_capability( "video filter2", 0 )
215 set_callbacks( OpenDeinterlace, CloseDeinterlace )
216 set_description( N_("FFmpeg deinterlace video filter") )
217 add_shortcut( "ffmpeg-deinterlace" )
221 # include "../../demux/avformat/avformat.c"
227 /*****************************************************************************
228 * OpenDecoder: probe the decoder and return score
229 *****************************************************************************/
230 static int OpenDecoder( vlc_object_t *p_this )
232 decoder_t *p_dec = (decoder_t*) p_this;
233 int i_cat, i_codec_id, i_result;
234 const char *psz_namecodec;
236 AVCodecContext *p_context = NULL;
237 AVCodec *p_codec = NULL;
239 /* *** determine codec type *** */
240 if( !GetFfmpegCodec( p_dec->fmt_in.i_codec, &i_cat, &i_codec_id,
246 /* Initialization must be done before avcodec_find_decoder() */
247 InitLibavcodec(p_this);
249 /* *** ask ffmpeg for a decoder *** */
250 p_codec = avcodec_find_decoder( i_codec_id );
253 msg_Dbg( p_dec, "codec not found (%s)", psz_namecodec );
257 /* *** get a p_context *** */
258 p_context = avcodec_alloc_context();
261 p_context->debug = var_InheritInteger( p_dec, "ffmpeg-debug" );
262 p_context->opaque = (void *)p_this;
264 /* Set CPU capabilities */
265 unsigned i_cpu = vlc_CPU();
266 p_context->dsp_mask = 0;
267 if( !(i_cpu & CPU_CAPABILITY_MMX) )
269 p_context->dsp_mask |= FF_MM_MMX;
271 if( !(i_cpu & CPU_CAPABILITY_MMXEXT) )
273 p_context->dsp_mask |= FF_MM_MMXEXT;
275 if( !(i_cpu & CPU_CAPABILITY_3DNOW) )
277 p_context->dsp_mask |= FF_MM_3DNOW;
279 if( !(i_cpu & CPU_CAPABILITY_SSE) )
281 p_context->dsp_mask |= FF_MM_SSE;
283 if( !(i_cpu & CPU_CAPABILITY_SSE2) )
285 p_context->dsp_mask |= FF_MM_SSE2;
288 if( !(i_cpu & CPU_CAPABILITY_SSE3) )
289 p_context->dsp_mask |= FF_MM_SSE3;
292 if( !(i_cpu & CPU_CAPABILITY_SSSE3) )
293 p_context->dsp_mask |= FF_MM_SSSE3;
296 if( !(i_cpu & CPU_CAPABILITY_SSE4_1) )
297 p_context->dsp_mask |= FF_MM_SSE4;
300 if( !(i_cpu & CPU_CAPABILITY_SSE4_2) )
301 p_context->dsp_mask |= FF_MM_SSE42;
304 p_dec->b_need_packetized = true;
308 p_dec->pf_decode_video = DecodeVideo;
309 i_result = InitVideoDec ( p_dec, p_context, p_codec,
310 i_codec_id, psz_namecodec );
313 p_dec->pf_decode_audio = DecodeAudio;
314 i_result = InitAudioDec ( p_dec, p_context, p_codec,
315 i_codec_id, psz_namecodec );
317 #if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 52, 25, 0 )
319 p_dec->pf_decode_sub = DecodeSubtitle;
320 i_result = InitSubtitleDec( p_dec, p_context, p_codec,
321 i_codec_id, psz_namecodec );
325 i_result = VLC_EGENERIC;
328 if( i_result == VLC_SUCCESS )
330 p_dec->p_sys->i_cat = i_cat;
331 if( p_context->profile != FF_PROFILE_UNKNOWN)
332 p_dec->fmt_in.i_profile = p_context->profile;
333 if( p_context->level != FF_LEVEL_UNKNOWN)
334 p_dec->fmt_in.i_level = p_context->level;
340 /*****************************************************************************
341 * CloseDecoder: decoder destruction
342 *****************************************************************************/
343 static void CloseDecoder( vlc_object_t *p_this )
345 decoder_t *p_dec = (decoder_t *)p_this;
346 decoder_sys_t *p_sys = p_dec->p_sys;
348 switch( p_sys->i_cat )
351 EndAudioDec ( p_dec );
354 EndVideoDec ( p_dec );
356 #if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT( 52, 25, 0 )
358 EndSubtitleDec( p_dec );
363 if( p_sys->p_context )
365 free( p_sys->p_context->extradata );
366 p_sys->p_context->extradata = NULL;
368 if( !p_sys->b_delayed_open )
371 avcodec_close( p_sys->p_context );
372 vlc_avcodec_unlock();
374 msg_Dbg( p_dec, "ffmpeg codec (%s) stopped", p_sys->psz_namecodec );
375 av_free( p_sys->p_context );
381 void InitLibavcodec( vlc_object_t *p_object )
383 static bool b_ffmpeginit = false;
387 /* *** init ffmpeg library (libavcodec) *** */
391 avcodec_register_all();
392 av_log_set_callback( LibavutilCallback );
395 msg_Dbg( p_object, "libavcodec initialized (interface 0x%x)",
396 LIBAVCODEC_VERSION_INT );
400 msg_Dbg( p_object, "libavcodec already initialized" );
403 vlc_avcodec_unlock();