mirror of https://github.com/mpv-player/mpv
130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
#include "m_option.h"
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#include "../mp_msg.h"
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#include <stdlib.h>
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#include <inttypes.h>
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#include "ae_toolame.h"
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static int
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param_bitrate = 192,
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param_srate = 48000,
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param_psy = 3,
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param_maxvbr = 192,
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param_errprot = 0,
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param_debug = 0;
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float param_vbr = 0;
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static char *param_mode = "stereo";
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m_option_t toolameopts_conf[] = {
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{"br", ¶m_bitrate, CONF_TYPE_INT, 0, 0, 0, NULL},
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{"mode", ¶m_mode, CONF_TYPE_STRING, 0, 0, 0, NULL},
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{"psy", ¶m_psy, CONF_TYPE_INT, CONF_RANGE, 0, 3, NULL},
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{"vbr", ¶m_vbr, CONF_TYPE_FLOAT, CONF_RANGE, 0, 50, NULL},
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{"maxvbr", ¶m_maxvbr, CONF_TYPE_INT, 0, 0, 0, NULL},
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{"errprot", ¶m_errprot, CONF_TYPE_INT, CONF_RANGE, 0, 1, NULL},
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{"debug", ¶m_debug, CONF_TYPE_INT, CONF_RANGE, 0, 100000000, NULL},
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{NULL, NULL, 0, 0, 0, 0, NULL}
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};
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mpae_toolame_ctx *mpae_init_toolame(int channels, int srate)
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{
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int mode;
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mpae_toolame_ctx *ctx = NULL;
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if(channels == 1)
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{
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mp_msg(MSGT_MENCODER, MSGL_INFO, "ae_toolame, 1 audio channel, forcing mono mode\n");
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mode = MPG_MD_MONO;
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}
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else if(channels == 2)
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{
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if(! strcasecmp(param_mode, "dual"))
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mode = MPG_MD_DUAL_CHANNEL;
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else if(! strcasecmp(param_mode, "jstereo"))
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mode = MPG_MD_JOINT_STEREO;
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else if(! strcasecmp(param_mode, "stereo"))
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mode = MPG_MD_STEREO;
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else
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{
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mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, unknown mode %s, exiting\n", param_mode);
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}
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}
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else
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mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, Toolame can't encode > 2 channels, exiting\n");
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ctx = (mpae_toolame_ctx *) calloc(1, sizeof(mpae_toolame_ctx));
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if(ctx == NULL)
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{
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mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't alloc a %d bytes context, exiting\n", sizeof(mpae_toolame_ctx));
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return NULL;
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}
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ctx->toolame_ctx = toolame_init();
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if(ctx->toolame_ctx == NULL)
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{
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mp_msg(MSGT_MENCODER, MSGL_ERR, "ae_toolame, couldn't initial parameters from libtoolame, exiting\n");
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free(ctx);
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return NULL;
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}
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ctx->channels = channels;
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ctx->srate = srate;
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if(toolame_setMode(ctx->toolame_ctx, mode) != 0)
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return NULL;
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if(toolame_setPsymodel(ctx->toolame_ctx, param_psy) != 0)
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return NULL;
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if(toolame_setSampleFreq(ctx->toolame_ctx, srate) != 0)
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return NULL;
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if(toolame_setBitrate(ctx->toolame_ctx, param_bitrate) != 0)
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return NULL;
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if(param_errprot)
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if(toolame_setErrorProtection(ctx->toolame_ctx, TRUE) != 0)
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return NULL;
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if(param_vbr > 0)
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{
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if(toolame_setVBR(ctx->toolame_ctx, TRUE) != 0)
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return NULL;
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if(toolame_setVBRLevel(ctx->toolame_ctx, param_maxvbr) != 0)
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return NULL;
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if(toolame_setPadding(ctx->toolame_ctx, FALSE) != 0)
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return NULL;
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if(toolame_setVBRUpperBitrate(ctx->toolame_ctx, param_maxvbr) != 0)
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return NULL;
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}
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if(toolame_setVerbosity(ctx->toolame_ctx, param_debug) != 0)
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return NULL;
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if(toolame_init_params(ctx->toolame_ctx) != 0)
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return NULL;
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ctx->bitrate = param_bitrate;
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return ctx;
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}
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int mpae_encode_toolame(mpae_toolame_ctx *ctx, uint8_t *dest, int nsamples, void *src, int max_size)
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{
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int ret_size = 0, i;
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int16_t *buffer;
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buffer = (uint16_t *) src;
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for(i = 0; i < nsamples; i++)
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{
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ctx->left_pcm[i] = buffer[2 * i];
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ctx->right_pcm[i] = buffer[2 * i + (ctx->channels - 1)];
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}
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toolame_encode_buffer(ctx->toolame_ctx, ctx->left_pcm, ctx->right_pcm, nsamples, dest, max_size, &ret_size);
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return ret_size;
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}
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