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-rw-r--r--libmpcodecs/ad_mpc.c231
1 files changed, 0 insertions, 231 deletions
diff --git a/libmpcodecs/ad_mpc.c b/libmpcodecs/ad_mpc.c
deleted file mode 100644
index 979dce6178..0000000000
--- a/libmpcodecs/ad_mpc.c
+++ /dev/null
@@ -1,231 +0,0 @@
-/*
- * Musepack audio files decoder for MPlayer
- * by Reza Jelveh <reza.jelveh@tuhh.de> and
- * Reimar Döffinger <Reimar.Doeffinger@stud.uni-karlsruhe.de>
- *
- * This code may be be relicensed under the terms of the GNU LGPL when it
- * becomes part of the FFmpeg project (ffmpeg.org)
- *
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "config.h"
-#include "ad_internal.h"
-#include "libaf/af_format.h"
-#include "libvo/fastmemcpy.h"
-
-static const ad_info_t info =
-{
- "Musepack audio decoder",
- "mpcdec",
- "Reza Jelveh and Reimar Döffinger",
- "",
- ""
-};
-
-LIBAD_EXTERN(libmusepack)
-
-#include <mpcdec/mpcdec.h>
-
-// BUFFER_LENGTH is in MPC_SAMPLE_FORMAT units
-#define MAX_FRAMESIZE (4 * MPC_DECODER_BUFFER_LENGTH)
-//! this many frames should decode good after seeking
-#define MIN_SEEK_GOOD 5
-//! how many frames to discard at most after seeking
-#define MAX_SEEK_DISCARD 50
-
-typedef struct context_s {
- char *header;
- int header_len;
- sh_audio_t *sh;
- uint32_t pos;
- mpc_decoder decoder;
-} context_t;
-
-/**
- * \brief mpc_reader callback function for reading the header
- */
-static mpc_int32_t cb_read(void *data, void *buf, mpc_int32_t size) {
- context_t *d = (context_t *)data;
- char *p = (char *)buf;
- int s = size;
- if (d->pos < d->header_len) {
- if (s > d->header_len - d->pos)
- s = d->header_len - d->pos;
- fast_memcpy(p, &d->header[d->pos], s);
- } else
- s = 0;
- memset(&p[s], 0, size - s);
- d->pos += size;
- return size;
-}
-
-/**
- * \brief dummy mpc_reader callback function for seeking
- */
-static mpc_bool_t cb_seek(void *data, mpc_int32_t offset ) {
- context_t *d = (context_t *)data;
- d->pos = offset;
- return 1;
-}
-
-/**
- * \brief dummy mpc_reader callback function for getting stream position
- */
-static mpc_int32_t cb_tell(void *data) {
- context_t *d = (context_t *)data;
- return d->pos;
-}
-
-/**
- * \brief dummy mpc_reader callback function for getting stream length
- */
-static mpc_int32_t cb_get_size(void *data) {
- return 1 << 30;
-}
-
-/**
- * \brief mpc_reader callback function, we cannot seek.
- */
-static mpc_bool_t cb_canseek(void *data) {
- return 0;
-}
-
-
-mpc_reader header_reader = {
- .read = cb_read, .seek = cb_seek, .tell = cb_tell,
- .get_size = cb_get_size, .canseek = cb_canseek
-};
-
-static int preinit(sh_audio_t *sh) {
- sh->audio_out_minsize = MAX_FRAMESIZE;
- return 1;
-}
-
-static void uninit(sh_audio_t *sh) {
- free(sh->context);
- sh->context = NULL;
-}
-
-static int init(sh_audio_t *sh) {
- mpc_streaminfo info;
- context_t *cd = malloc(sizeof(context_t));
-
- if (!sh->wf || (sh->wf->cbSize < 6 * 4)) {
- mp_msg(MSGT_DECAUDIO, MSGL_FATAL, "Missing extradata!\n");
- return 0;
- }
- cd->header = (char *)(sh->wf + 1);
- cd->header_len = sh->wf->cbSize;
- cd->sh = sh;
- cd->pos = 0;
- sh->context = (char *)cd;
-
- /* read file's streaminfo data */
- mpc_streaminfo_init(&info);
- header_reader.data = cd;
- if (mpc_streaminfo_read(&info, &header_reader) != ERROR_CODE_OK) {
- mp_msg(MSGT_DECAUDIO, MSGL_FATAL, "Not a valid musepack file.\n");
- return 0;
- }
-// this value is nonsense, since it relies on the get_size function.
-// use the value from the demuxer instead.
-// sh->i_bps = info.average_bitrate / 8;
- sh->channels = info.channels;
- sh->samplerate = info.sample_freq;
- sh->samplesize = 4;
- sh->sample_format =
-#if MPC_SAMPLE_FORMAT == float
- AF_FORMAT_FLOAT_NE;
-#elif MPC_SAMPLE_FORMAT == mpc_int32_t
- AF_FORMAT_S32_NE;
-#else
- #error musepack lib must use either float or mpc_int32_t sample format
-#endif
-
- mpc_decoder_setup(&cd->decoder, NULL);
- mpc_decoder_set_streaminfo(&cd->decoder, &info);
- return 1;
-}
-
-// FIXME: minlen is currently ignored
-static int decode_audio(sh_audio_t *sh, unsigned char *buf,
- int minlen, int maxlen) {
- int status, len;
- MPC_SAMPLE_FORMAT *sample_buffer = (MPC_SAMPLE_FORMAT *)buf;
- mpc_uint32_t *packet = NULL;
-
- context_t *cd = (context_t *) sh->context;
- if (maxlen < MAX_FRAMESIZE) {
- mp_msg(MSGT_DECAUDIO, MSGL_V, "maxlen too small in decode_audio\n");
- return -1;
- }
- len = ds_get_packet(sh->ds, (unsigned char **)&packet);
- if (len <= 0) return -1;
- status = mpc_decoder_decode_frame(&cd->decoder, packet, len, sample_buffer);
- if (status == -1) // decode error
- mp_msg(MSGT_DECAUDIO, MSGL_FATAL, "Error decoding file.\n");
- if (status <= 0) // error or EOF
- return -1;
-
- status = MPC_FRAME_LENGTH * sh->channels; // one sample per channel
-#if MPC_SAMPLE_FORMAT == float || MPC_SAMPLE_FORMAT == mpc_int32_t
- status *= 4;
-#else
- // should not happen
- status *= 2;
-#endif
- return status;
-}
-
-/**
- * \brief check if the decoded values are in a sane range
- * \param buf decoded buffer
- * \param len length of buffer in bytes
- * \return 1 if all values are in (-1.01, 1.01) range, 0 otherwise
- */
-static int check_clip(void *buf, int len) {
-#if MPC_SAMPLE_FORMAT == float
- float *p = buf;
- if (len < 4) return 1;
- len = -len / 4;
- p = &p[-len];
- do {
- if (p[len] < -1 || p[len] > 1) return 0;
- } while (++len);
-#endif
- return 1;
-}
-
-static int control(sh_audio_t *sh, int cmd, void* arg, ...) {
- if (cmd == ADCTRL_RESYNC_STREAM) {
- unsigned char *buf = malloc(MAX_FRAMESIZE);
- int i;
- int nr_ok = 0;
- for (i = 0; i < MAX_SEEK_DISCARD; i++) {
- int len = decode_audio(sh, buf, 0, MAX_FRAMESIZE);
- if (check_clip(buf, len)) nr_ok++; else nr_ok = 0;
- if (nr_ok > MIN_SEEK_GOOD) break;
- }
- free(buf);
- }
- return CONTROL_UNKNOWN;
-}