static av_cold int aacPlus_encode_init(AVCodecContext *avctx) { aacPlusAudioContext *s = avctx->priv_data; aacplusEncConfiguration *aacplus_cfg; /* number of channels */ if (avctx->channels < 1 || avctx->channels > 2) { av_log(avctx, AV_LOG_ERROR, "encoding %d channel(s) is not allowed\n", avctx->channels); return -1; } s->aacplus_handle = aacplusEncOpen(avctx->sample_rate, avctx->channels, &s->samples_input, &s->max_output_bytes); if(!s->aacplus_handle) { av_log(avctx, AV_LOG_ERROR, "can't open encoder\n"); return -1; } /* check aacplus version */ aacplus_cfg = aacplusEncGetCurrentConfiguration(s->aacplus_handle); /* put the options in the configuration struct */ if(avctx->profile != FF_PROFILE_AAC_LOW && avctx->profile != FF_PROFILE_UNKNOWN) { av_log(avctx, AV_LOG_ERROR, "invalid AAC profile: %d, only LC supported\n", avctx->profile); aacplusEncClose(s->aacplus_handle); return -1; } aacplus_cfg->bitRate = avctx->bit_rate; aacplus_cfg->bandWidth = avctx->cutoff; aacplus_cfg->outputFormat = !(avctx->flags & CODEC_FLAG_GLOBAL_HEADER); aacplus_cfg->inputFormat = avctx->sample_fmt == AV_SAMPLE_FMT_FLT ? AACPLUS_INPUT_FLOAT : AACPLUS_INPUT_16BIT; if (!aacplusEncSetConfiguration(s->aacplus_handle, aacplus_cfg)) { av_log(avctx, AV_LOG_ERROR, "libaacplus doesn't support this output format!\n"); return -1; } avctx->frame_size = s->samples_input / avctx->channels; /* 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 (aacplusEncGetDecoderSpecificInfo(s->aacplus_handle, &buffer, &decoder_specific_info_size) == 1) { 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); } free(buffer); } return 0; }
static av_cold int aacPlus_encode_init(AVCodecContext *avctx) { aacPlusAudioContext *s = avctx->priv_data; aacplusEncConfiguration *aacplus_cfg;   if (avctx->channels < 1 || avctx->channels > 2) { av_log(avctx, AV_LOG_ERROR, "encoding %d channel(s) is not allowed\n", avctx->channels); return -1; } s->aacplus_handle = aacplusEncOpen(avctx->sample_rate, avctx->channels, &s->samples_input, &s->max_output_bytes); if(!s->aacplus_handle) { av_log(avctx, AV_LOG_ERROR, "can't open encoder\n"); return -1; }   aacplus_cfg = aacplusEncGetCurrentConfiguration(s->aacplus_handle);   if(avctx->profile != FF_PROFILE_AAC_LOW && avctx->profile != FF_PROFILE_UNKNOWN) { av_log(avctx, AV_LOG_ERROR, "invalid AAC profile: %d, only LC supported\n", avctx->profile); aacplusEncClose(s->aacplus_handle); return -1; } aacplus_cfg->bitRate = avctx->bit_rate; aacplus_cfg->bandWidth = avctx->cutoff; aacplus_cfg->outputFormat = !(avctx->flags & CODEC_FLAG_GLOBAL_HEADER); aacplus_cfg->inputFormat = avctx->sample_fmt == AV_SAMPLE_FMT_FLT ? AACPLUS_INPUT_FLOAT : AACPLUS_INPUT_16BIT; if (!aacplusEncSetConfiguration(s->aacplus_handle, aacplus_cfg)) { av_log(avctx, AV_LOG_ERROR, "libaacplus doesn't support this output format!\n"); return -1; } avctx->frame_size = s->samples_input / avctx->channels;   avctx->extradata_size = 0; if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER) { unsigned char *buffer = NULL; unsigned long decoder_specific_info_size; if (aacplusEncGetDecoderSpecificInfo(s->aacplus_handle, &buffer, &decoder_specific_info_size) == 1) { 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); } free(buffer); } return 0; }