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authorDiego Biurrun <diego@biurrun.de>2007-06-06 00:14:18 +0000
committerDiego Biurrun <diego@biurrun.de>2007-06-06 00:14:18 +0000
commit6f1af73557824b1872732b7823e881a14f870077 (patch)
tree3d22e9a9585b538bd4295898f1e2f5a89d36619b /libavcodec/faac.c
parent6f74b71ef0f5457b8cc736cb8f828ec1b75a217c (diff)
Give all wrappers for external libraries names starting with lib.
Originally committed as revision 9226 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/faac.c')
-rw-r--r--libavcodec/faac.c154
1 files changed, 0 insertions, 154 deletions
diff --git a/libavcodec/faac.c b/libavcodec/faac.c
deleted file mode 100644
index a782381e32..0000000000
--- a/libavcodec/faac.c
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Interface to libfaac for aac encoding
- * Copyright (c) 2002 Gildas Bazin <gbazin@netcourrier.com>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file faacaudio.c
- * Interface to libfaac for aac encoding.
- */
-
-#include "avcodec.h"
-#include <faac.h>
-
-typedef struct FaacAudioContext {
- faacEncHandle faac_handle;
-} FaacAudioContext;
-
-static int Faac_encode_init(AVCodecContext *avctx)
-{
- FaacAudioContext *s = avctx->priv_data;
- faacEncConfigurationPtr faac_cfg;
- unsigned long samples_input, max_bytes_output;
-
- /* number of channels */
- if (avctx->channels < 1 || avctx->channels > 6)
- return -1;
-
- s->faac_handle = faacEncOpen(avctx->sample_rate,
- avctx->channels,
- &samples_input, &max_bytes_output);
-
- /* check faac version */
- faac_cfg = faacEncGetCurrentConfiguration(s->faac_handle);
- if (faac_cfg->version != FAAC_CFG_VERSION) {
- av_log(avctx, AV_LOG_ERROR, "wrong libfaac version (compiled for: %d, using %d)\n", FAAC_CFG_VERSION, faac_cfg->version);
- faacEncClose(s->faac_handle);
- return -1;
- }
-
- /* put the options in the configuration struct */
- switch(avctx->profile) {
- case FF_PROFILE_AAC_MAIN:
- faac_cfg->aacObjectType = MAIN;
- break;
- case FF_PROFILE_UNKNOWN:
- case FF_PROFILE_AAC_LOW:
- faac_cfg->aacObjectType = LOW;
- break;
- case FF_PROFILE_AAC_SSR:
- faac_cfg->aacObjectType = SSR;
- break;
- case FF_PROFILE_AAC_LTP:
- faac_cfg->aacObjectType = LTP;
- break;
- default:
- av_log(avctx, AV_LOG_ERROR, "invalid AAC profile\n");
- faacEncClose(s->faac_handle);
- return -1;
- }
- faac_cfg->mpegVersion = MPEG4;
- faac_cfg->useTns = 0;
- faac_cfg->allowMidside = 1;
- faac_cfg->bitRate = avctx->bit_rate / avctx->channels;
- faac_cfg->bandWidth = avctx->cutoff;
- if(avctx->flags & CODEC_FLAG_QSCALE) {
- faac_cfg->bitRate = 0;
- faac_cfg->quantqual = avctx->global_quality / FF_QP2LAMBDA;
- }
- faac_cfg->outputFormat = 1;
- faac_cfg->inputFormat = FAAC_INPUT_16BIT;
-
- avctx->frame_size = samples_input / avctx->channels;
-
- avctx->coded_frame= avcodec_alloc_frame();
- avctx->coded_frame->key_frame= 1;
-
- /* Set decoder specific info */
- avctx->extradata_size = 0;
- if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) {
-
- unsigned char *buffer = NULL;
- unsigned long decoder_specific_info_size;
-
- if (!faacEncGetDecoderSpecificInfo(s->faac_handle, &buffer,
- &decoder_specific_info_size)) {
- avctx->extradata = av_malloc(decoder_specific_info_size + FF_INPUT_BUFFER_PADDING_SIZE);
- avctx->extradata_size = decoder_specific_info_size;
- memcpy(avctx->extradata, buffer, avctx->extradata_size);
- faac_cfg->outputFormat = 0;
- }
-#undef free
- free(buffer);
-#define free please_use_av_free
- }
-
- if (!faacEncSetConfiguration(s->faac_handle, faac_cfg)) {
- av_log(avctx, AV_LOG_ERROR, "libfaac doesn't support this output format!\n");
- return -1;
- }
-
- return 0;
-}
-
-static int Faac_encode_frame(AVCodecContext *avctx,
- unsigned char *frame, int buf_size, void *data)
-{
- FaacAudioContext *s = avctx->priv_data;
- int bytes_written;
-
- bytes_written = faacEncEncode(s->faac_handle,
- data,
- avctx->frame_size * avctx->channels,
- frame,
- buf_size);
-
- return bytes_written;
-}
-
-static int Faac_encode_close(AVCodecContext *avctx)
-{
- FaacAudioContext *s = avctx->priv_data;
-
- av_freep(&avctx->coded_frame);
- av_freep(&avctx->extradata);
-
- faacEncClose(s->faac_handle);
- return 0;
-}
-
-AVCodec libfaac_encoder = {
- "libfaac",
- CODEC_TYPE_AUDIO,
- CODEC_ID_AAC,
- sizeof(FaacAudioContext),
- Faac_encode_init,
- Faac_encode_frame,
- Faac_encode_close
-};