X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fmp3lameaudio.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fmp3lameaudio.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=0a121eb4b67a8337a415d94303075fd9d2377045;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mp3lameaudio.c b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mp3lameaudio.c deleted file mode 100644 index 0a121eb..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_libavcodec/libavcodec/mp3lameaudio.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Interface to libmp3lame for mp3 encoding - * Copyright (c) 2002 Lennert Buytenhek - * - * This library 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 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -/** - * @file mp3lameaudio.c - * Interface to libmp3lame for mp3 encoding. - */ - -#include "avcodec.h" -#include "mpegaudio.h" -#include - -typedef struct Mp3AudioContext { - lame_global_flags *gfp; - int stereo; -} Mp3AudioContext; - - -static int MP3lame_encode_init(AVCodecContext *avctx) -{ - Mp3AudioContext *s = avctx->priv_data; - - if (avctx->channels > 2) - return -1; - - s->stereo = avctx->channels > 1 ? 1 : 0; - - if ((s->gfp = lame_init()) == NULL) - goto err; - lame_set_in_samplerate(s->gfp, avctx->sample_rate); - lame_set_out_samplerate(s->gfp, avctx->sample_rate); - lame_set_num_channels(s->gfp, avctx->channels); - /* lame 3.91 dies on quality != 5 */ - lame_set_quality(s->gfp, 5); - /* lame 3.91 doesn't work in mono */ - lame_set_mode(s->gfp, JOINT_STEREO); - lame_set_brate(s->gfp, avctx->bit_rate/1000); - if (lame_init_params(s->gfp) < 0) - goto err_close; - - avctx->frame_size = MPA_FRAME_SIZE; - - avctx->coded_frame= avcodec_alloc_frame(); - avctx->coded_frame->key_frame= 1; - - return 0; - -err_close: - lame_close(s->gfp); -err: - return -1; -} - -int MP3lame_encode_frame(AVCodecContext *avctx, - unsigned char *frame, int buf_size, void *data) -{ - Mp3AudioContext *s = avctx->priv_data; - int num; - - /* lame 3.91 dies on '1-channel interleaved' data */ - if (s->stereo) { - num = lame_encode_buffer_interleaved(s->gfp, data, - MPA_FRAME_SIZE, frame, buf_size); - } else { - num = lame_encode_buffer(s->gfp, data, data, MPA_FRAME_SIZE, - frame, buf_size); - } - - return num; -} - -int MP3lame_encode_close(AVCodecContext *avctx) -{ - Mp3AudioContext *s = avctx->priv_data; - - av_freep(&avctx->coded_frame); - - lame_close(s->gfp); - return 0; -} - - -AVCodec mp3lame_encoder = { - "mp3", - CODEC_TYPE_AUDIO, - CODEC_ID_MP3, - sizeof(Mp3AudioContext), - MP3lame_encode_init, - MP3lame_encode_frame, - MP3lame_encode_close -};