C++ (Cpp) mp_decode_mp3_header示例

示例#1

文件： ae_lame.c 项目： OpenSageTV/mplayer-sage9orig

static int get_frame_size(audio_encoder_t *encoder)
{
    int sz;
    if(encoder->stream->buffer_len < 4)
        return 0;
    sz = mp_decode_mp3_header(encoder->stream->buffer);
    if(sz <= 0)
        return 0;
    return sz;
}

示例#2

文件： ae_twolame.c 项目： BOTCrusher/sagetv

static int encode_twolame(audio_encoder_t *encoder, uint8_t *dest, void *src, int len, int max_size)
{
	mpae_twolame_ctx *ctx = (mpae_twolame_ctx *)encoder->priv;
	int ret_size = 0, r2;
	
	len /= (2*encoder->params.channels);
	ret_size = twolame_encode_buffer_interleaved(ctx->twolame_ctx, src, len, dest, max_size);
	r2 = mp_decode_mp3_header(dest);	
	mp_msg(MSGT_MENCODER, MSGL_DBG2, "\nSIZE: %d, max: %d, r2: %d\n", ret_size, max_size, r2);
	if(r2 > 0)
		ret_size = r2;
	return ret_size;
}

示例#3

文件： ae_toolame.c 项目： Gamer125/wiibrowser

static int encode_toolame(audio_encoder_t *encoder, uint8_t *dest, void *src, int len, int max_size)
{
	mpae_toolame_ctx *ctx = (mpae_toolame_ctx *)encoder->priv;
	int ret_size = 0, r2, i, nsamples;
	int16_t *buffer;

	nsamples = len / (2*encoder->params.channels);
	buffer = (uint16_t *) src;
	for(i = 0; i < nsamples; i++)
	{
	    ctx->left_pcm[i] = buffer[ctx->channels * i];
	    ctx->right_pcm[i] = buffer[(ctx->channels * i) + (ctx->channels - 1)];
	}

	toolame_encode_buffer(ctx->toolame_ctx, ctx->left_pcm, ctx->right_pcm, nsamples, dest, max_size, &ret_size);
	r2 = mp_decode_mp3_header(dest);
	mp_msg(MSGT_MENCODER, MSGL_DBG2, "\nSIZE: %d, max: %d, r2: %d\n", ret_size, max_size, r2);
	if(r2 > 0)
		ret_size = r2;
	return ret_size;
}