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98 lines
4.1 KiB
98 lines
4.1 KiB
/*****************************************************************************
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* encoder.h: transcoding encoders header
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*****************************************************************************
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* Copyright (C) 2018 VideoLabs, VideoLAN and VLC authors
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, If not, see https://www.gnu.org/licenses/
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*****************************************************************************/
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#define ENC_FRAMERATE (25 * 1000)
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#define ENC_FRAMERATE_BASE 1000
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#define FIRSTVALID(a,b,c) ( a ? a : ( b ? b : c ) )
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typedef struct transcode_encoder_t transcode_encoder_t;
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typedef struct
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{
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vlc_fourcc_t i_codec; /* (0 if not transcode) */
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char *psz_name;
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char *psz_lang;
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config_chain_t *p_config_chain;
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union
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{
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struct
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{
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unsigned int i_bitrate;
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float f_scale;
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unsigned int i_width, i_maxwidth;
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unsigned int i_height, i_maxheight;
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bool b_hurry_up;
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vlc_rational_t fps;
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struct
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{
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unsigned int i_count;
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int i_priority;
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uint32_t pool_size;
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} threads;
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} video;
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struct
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{
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unsigned int i_bitrate;
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uint32_t i_sample_rate;
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uint32_t i_channels;
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} audio;
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struct
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{
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unsigned int i_width; /* render width */
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unsigned int i_height;
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} spu;
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};
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} transcode_encoder_config_t;
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void transcode_encoder_config_init( transcode_encoder_config_t * );
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void transcode_encoder_config_clean( transcode_encoder_config_t * );
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const es_format_t *transcode_encoder_format_in( const transcode_encoder_t * );
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const es_format_t *transcode_encoder_format_out( const transcode_encoder_t * );
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void transcode_encoder_update_format_in( transcode_encoder_t *, const es_format_t * );
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void transcode_encoder_update_format_out( transcode_encoder_t *, const es_format_t * );
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block_t * transcode_encoder_encode( transcode_encoder_t *, void * );
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block_t * transcode_encoder_get_output_async( transcode_encoder_t * );
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void transcode_encoder_delete( transcode_encoder_t * );
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transcode_encoder_t * transcode_encoder_new( vlc_object_t *, const es_format_t * );
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void transcode_encoder_close( transcode_encoder_t * );
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bool transcode_encoder_opened( const transcode_encoder_t * );
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int transcode_encoder_open( transcode_encoder_t *, const transcode_encoder_config_t * );
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int transcode_encoder_drain( transcode_encoder_t *, block_t ** );
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int transcode_encoder_test( vlc_object_t *p_obj,
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const transcode_encoder_config_t *p_cfg,
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const es_format_t *p_dec_fmtin,
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vlc_fourcc_t i_codec_in,
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es_format_t *p_enc_wanted_in );
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void transcode_encoder_video_configure( vlc_object_t *p_obj,
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const video_format_t *p_dec_in,
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const video_format_t *p_dec_out,
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const transcode_encoder_config_t *p_cfg,
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const video_format_t *p_src,
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transcode_encoder_t *p_enc );
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int transcode_encoder_audio_configure( vlc_object_t *p_obj,
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const transcode_encoder_config_t *p_cfg,
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const audio_format_t *p_dec_out,
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transcode_encoder_t *p_enc, bool );
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