Exemplo n.º 1
0
static int read_packet(AVFormatContext *ctx, AVPacket *pkt)
{
    CDIOContext *s = ctx->priv_data;
    int ret;
    uint16_t *buf;
    char *err = NULL;

    if (ctx->streams[0]->cur_dts > s->last_sector)
        return AVERROR_EOF;

    buf = cdio_paranoia_read(s->paranoia, NULL);
    if (!buf)
        return AVERROR_EOF;

    if (err = cdio_cddap_errors(s->drive)) {
        av_log(ctx, AV_LOG_ERROR, "%s\n", err);
        free(err);
        err = NULL;
    }
    if (err = cdio_cddap_messages(s->drive)) {
        av_log(ctx, AV_LOG_VERBOSE, "%s\n", err);
        free(err);
        err = NULL;
    }

    if ((ret = av_new_packet(pkt, CDIO_CD_FRAMESIZE_RAW)) < 0)
        return ret;
    memcpy(pkt->data, buf, CDIO_CD_FRAMESIZE_RAW);
    return 0;
}
Exemplo n.º 2
0
		int RipAttempt() {
			for ( i_cursor = i_first_lsn; i_cursor <= i_last_lsn; ) {
				for ( int i = 0; i < NUM_TRIES; i++) {
					paranoia_seek(p, i_cursor, SEEK_SET);
					for ( int j = 0; j < NUM_SECTORS && j <= (i_last_lsn - i_cursor); j++ ) {
						/* read a sector */
						int16_t *p_readbuf = cdio_paranoia_read(p, NULL);
						int16_t *buf_pointer;
						psz_err = cdio_cddap_errors(d);
						psz_mes = cdio_cddap_messages(d);
						if (psz_mes || psz_err)
							printf("%s%s\n", psz_mes ? psz_mes: "", psz_err ? psz_err: "");
						if (psz_err) free(psz_err);
						if (psz_mes) free(psz_mes);
						if( !p_readbuf ) {
							printf("paranoia read error. Stopping.\n");
							break;
						} else {
							/* Transport data to actual buffer */
							if ( i == 0 ) {
								for ( buf_pointer = p_readbuf, counter = (CDIO_CD_FRAMESIZE_RAW/2)*j; buf_pointer != NULL && counter < (CDIO_CD_FRAMESIZE_RAW/2)*(j+1); buf_pointer++, counter++ ) {
									readbuf[counter] = *buf_pointer;
								}
							} else {
								for ( buf_pointer = p_readbuf, counter = (CDIO_CD_FRAMESIZE_RAW/2)*j; buf_pointer != NULL && counter < (CDIO_CD_FRAMESIZE_RAW/2)*(j+1); buf_pointer++, counter++ ) {
									readbuf2[counter] = *buf_pointer;
								}
							}
						}
						num_samples = counter;
					}
				}
				failed = false;
				for (int i = 0; i < num_samples ; i++) {
					if (readbuf[i] != readbuf2[i]) {
						failed = true;
					}
				}
				if (!failed) {
					i_cursor += NUM_SECTORS;
					written_samples = WriteToFile();
					if (written_samples != num_samples) return 1;
				}
			}
			return 0;
		}
Exemplo n.º 3
0
int
main(int argc, const char *argv[])
{
  cdrom_drive_t *d = NULL; /* Place to store handle given by cd-parapnioa. */
  driver_id_t driver_id;
  char **ppsz_cd_drives;  /* List of all drives with a loaded CDDA in it. */
  int i_rc=0;

  /* See if we can find a device with a loaded CD-DA in it. If successful
     drive_id will be set.  */
  ppsz_cd_drives = cdio_get_devices_with_cap_ret(NULL, CDIO_FS_AUDIO, false,
						 &driver_id);

  if (ppsz_cd_drives && *ppsz_cd_drives) {
    /* Found such a CD-ROM with a CD-DA loaded. Use the first drive in
       the list. */
    d=cdda_identify(*ppsz_cd_drives, 1, NULL);
  } else {
    printf("Unable find or access a CD-ROM drive with an audio CD in it.\n");
    exit(SKIP_TEST_RC);
  }

  /** We had a bug in is_device when driver_id == DRIVER_UNKNOWN or
     DRIVER_DEVICE. Let's make sure we've fixed that problem. **/
  if (!cdio_is_device(*ppsz_cd_drives, DRIVER_UNKNOWN) || 
      !cdio_is_device(*ppsz_cd_drives, DRIVER_DEVICE))
    exit(99);
  
  /* Don't need a list of CD's with CD-DA's any more. */
  cdio_free_device_list(ppsz_cd_drives);

  /* We'll set for verbose paranoia messages. */
  cdda_verbose_set(d, CDDA_MESSAGE_PRINTIT, CDDA_MESSAGE_PRINTIT);

  if ( 0 != cdio_cddap_open(d) ) {
    printf("Unable to open disc.\n");
    exit(SKIP_TEST_RC);
  }

  /* Okay now set up to read up to the first 300 frames of the first
     audio track of the Audio CD. */
  { 
    cdrom_paranoia_t *p = paranoia_init(d);
    lsn_t i_first_lsn = cdda_disc_firstsector(d);

    if ( -1 == i_first_lsn ) {
      printf("Trouble getting starting LSN\n");
    } else {
      lsn_t   i_lsn; /* Current LSN to read */
      lsn_t   i_last_lsn = cdda_disc_lastsector(d);
      unsigned int i_sectors = i_last_lsn - i_first_lsn + 1;
      unsigned int j;
      unsigned int i_good = 0;
      unsigned int i_bad  = 0;
      
      /* Set reading mode for full paranoia, but allow skipping sectors. */
      paranoia_modeset(p, PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);

      for ( j=0; j<10; j++ ) {
	
	/* Pick a place to start reading. */
	i_lsn = i_first_lsn + (rand() % i_sectors);
	paranoia_seek(p, i_lsn, SEEK_SET);

	printf("Testing %d sectors starting at %ld\n",
	       MAX_SECTORS, (long int) i_lsn);
	for ( i = 0; 
	      i < MAX_SECTORS && i_lsn <= i_last_lsn; 
	      i++, i_lsn++ ) {
	  /* read a sector */
	  int16_t *p_readbuf = paranoia_read(p, callback);
	  char *psz_err=cdio_cddap_errors(d);
	  char *psz_mes=cdio_cddap_messages(d);

	  memcpy(audio_buf[i], p_readbuf, CDIO_CD_FRAMESIZE_RAW);
	  
	  if (psz_mes || psz_err)
	    printf("%s%s\n", psz_mes ? psz_mes: "", psz_err ? psz_err: "");
	  
	  if (psz_err) free(psz_err);
	  if (psz_mes) free(psz_mes);
	  if( !p_readbuf ) {
	    printf("paranoia read error. Stopping.\n");
	    goto out;
	  }
	}

	/* Compare with the sectors from paranoia. */
	i_lsn -= MAX_SECTORS;
	for ( i = 0; i < MAX_SECTORS; i++, i_lsn++ ) {
	  uint8_t readbuf[CDIO_CD_FRAMESIZE_RAW] = {0,};
	  if ( PARANOIA_CB_READ == audio_status[i] || 
	       PARANOIA_CB_VERIFY == audio_status[i] ) {
	    /* We read the block via paranoia without an error. */

	    if ( 0 == cdio_read_audio_sector(d->p_cdio, readbuf, i_lsn) ) {
	      if ( BIGENDIAN != d->bigendianp ) {
		/* We will compare in the slow, pedantic way*/
		int j;
		for (j=0; j < CDIO_CD_FRAMESIZE_RAW ; j +=2) {
		  if (audio_buf[i][j]   != readbuf[j+1] && 
		      audio_buf[i][j+1] != readbuf[j] ) {
		    printf("LSN %ld doesn't match\n", (long int) i_lsn);
		    i_bad++;
		  } else {
		    i_good++;
		  }
		}
	      } else {
		if ( 0 != memcmp(audio_buf[i], readbuf, 
				 CDIO_CD_FRAMESIZE_RAW) ) {
		  printf("LSN %ld doesn't match\n", (long int) i_lsn);
		  i_bad++;
		} else {
		  i_good++;
		}
	      }
	    }
	  } else {
	    printf("Skipping LSN %ld because of status: %s\n", 
		   (long int) i_lsn, paranoia_cb_mode2str[audio_status[i]]);
	  }
	}
      }
      printf("%u sectors compared okay %u sectors were different\n",
	     i_good, i_bad);
      if (i_bad > i_good) i_rc = 1;
    }
  out: paranoia_free(p);
  }
  
  cdio_cddap_close(d);

  exit(i_rc);
}