mp4syncfiles.cpp

完整的RTP RTSP代码库

/*
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 * 
 * The Original Code is MPEG4IP.
 * 
 * The Initial Developer of the Original Code is Cisco Systems Inc.
 * Portions created by Cisco Systems Inc. are
 * Copyright (C) Cisco Systems Inc. 2001.  All Rights Reserved.
 * 
 * Contributor(s): 
 *		Bill May [e-mail]
 */

#include "mp4.h"
#include "mpeg4ip_getopt.h"

static bool compare_duration(char *toname, MP4FileHandle to, 
			     char *fromname, MP4FileHandle from)
{
  MP4Duration todur, fromdur;

  todur = MP4GetTrackDuration(to, 1);
  fromdur = MP4GetTrackDuration(from, 1);
  if (todur == fromdur) return true;
  printf("%s durations do not match "U64" "U64"\n", fromname,
	 fromdur, todur);
  return false;
}

static void sync_duration (char *toFileName, 
			   MP4FileHandle durfile)
{
  MP4Duration todur;
  MP4FileHandle tofile;
  char newname[PATH_MAX];
  todur = MP4GetTrackDuration(durfile, 1) + 1024;
  tmpnam(newname);
  MP4FileHandle fromfile;
  uint32_t numTracks;

  fromfile = MP4Modify(toFileName);
  if (fromfile == MP4_INVALID_FILE_HANDLE) {
    printf("Can't open %s\n", toFileName);
    return;
  }
  
  tofile = MP4Create(newname);
  if (tofile == MP4_INVALID_FILE_HANDLE) {
    printf("Can't create %s\n", newname);
    return;
  }
  numTracks = MP4GetNumberOfTracks(fromfile);
  for (uint32_t ix = 0; ix < numTracks; ix++) {
    MP4TrackId trackId = MP4FindTrackId(fromfile, ix);
    MP4EditId eid = MP4AddTrackEdit(fromfile, trackId, 1, 0, todur);
    if (eid == MP4_INVALID_EDIT_ID) {
      printf("invalid edit\n");
    } else {
      MP4CopyTrack(fromfile, trackId, tofile, true);
      MP4DeleteTrackEdit(fromfile, trackId, eid);
    }
  }

  MP4Close(tofile);
  MP4Close(fromfile);
  unlink(toFileName);
  rename(newname, toFileName);
}


static bool compare_meta(char *toname, MP4FileHandle to, 
			 char *fromname, MP4FileHandle from)
{
  char *tovalue, *fromvalue;
  uint16_t tonum, tonum2, fromnum, fromnum2;
  uint32_t toverb, fromverb;

  toverb = MP4GetVerbosity(to);
  MP4SetVerbosity(to, 0);
  fromverb = MP4GetVerbosity(from);
  MP4SetVerbosity(from, 0);

  tovalue = fromvalue = NULL;
  MP4GetMetadataName(to, &tovalue);
  MP4GetMetadataName(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s name \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataArtist(to, &tovalue);
  MP4GetMetadataArtist(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s artist \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }

  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);
  MP4GetMetadataWriter(to, &tovalue);
  MP4GetMetadataWriter(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL || fromvalue != NULL) {
      printf("%s writer \"%s\" \"%s\"\n", 
	     fromname, fromvalue, tovalue);
      CHECK_AND_FREE(tovalue);
      CHECK_AND_FREE(fromvalue);
      return false;
    }
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);
  MP4GetMetadataYear(to, &tovalue);
  MP4GetMetadataYear(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s year \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);
  MP4GetMetadataAlbum(to, &tovalue);
  MP4GetMetadataAlbum(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s album \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);
  MP4GetMetadataAlbumArtist(to, &tovalue);
  MP4GetMetadataAlbumArtist(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s album artist \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataGenre(to, &tovalue);
  MP4GetMetadataGenre(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    printf("%s genre \"%s\" \"%s\"\n", 
	   fromname, fromvalue, tovalue);
    CHECK_AND_FREE(tovalue);
    CHECK_AND_FREE(fromvalue);
    return false;
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataGrouping(to, &tovalue);
  MP4GetMetadataGrouping(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL || fromvalue != NULL) {
      printf("%s grouping \"%s\" \"%s\"\n", 
	     fromname, fromvalue, tovalue);
      CHECK_AND_FREE(tovalue);
      CHECK_AND_FREE(fromvalue);
      return false;
    }
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataComment(to, &tovalue);
  MP4GetMetadataComment(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL || fromvalue != NULL) {
      printf("%s comment \"%s\" \"%s\"\n", 
	     fromname, fromvalue, tovalue);
      CHECK_AND_FREE(tovalue);
      CHECK_AND_FREE(fromvalue);
      return false;
    }
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataAlbumArtist(to, &tovalue);
  MP4GetMetadataAlbumArtist(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL || fromvalue != NULL) {
      printf("%s comment \"%s\" \"%s\"\n", 
	     fromname, fromvalue, tovalue);
      CHECK_AND_FREE(tovalue);
      CHECK_AND_FREE(fromvalue);
      return false;
    }
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataTempo(to, &tonum);
  MP4GetMetadataTempo(from, &fromnum);
  if (tonum != fromnum) {
    printf("%s tempo %u %u \n", 
	   fromname, fromnum, tonum);
    return false;
  }

  MP4GetMetadataTrack(to, &tonum, &tonum2);
  MP4GetMetadataTrack(from, &fromnum, &fromnum2);
  if (tonum != fromnum || tonum2 != fromnum2) {
    printf("%s track %u %u from %u %u\n", 
	   fromname, tonum, tonum2, fromnum, fromnum2);
    return false;
  }

  MP4GetMetadataDisk(to, &tonum, &tonum2);
  MP4GetMetadataDisk(from, &fromnum, &fromnum2);
  if (tonum != fromnum || tonum2 != fromnum2) {
    printf("%s disk %u %u from %u %u\n", 
	   fromname, tonum, tonum2, fromnum, fromnum2);
    return false;
  }

  uint32_t toart, fromart;
  toart = MP4GetMetadataCoverArtCount(to);
  fromart = MP4GetMetadataCoverArtCount(from);
  if (toart != fromart) {
    printf("%s art count %u %u\n", fromname, toart, fromart);
    return false;
  }
  MP4SetVerbosity(to, toverb);
  MP4SetVerbosity(from, fromverb);
  return true;
}


static void copy_meta(char *toname, MP4FileHandle to, 
		      char *fromname, MP4FileHandle from, 
		      bool force)
{
  char *tovalue, *fromvalue;
  uint16_t tonum, tonum2, fromnum, fromnum2;
  uint32_t toverb, fromverb;

  toverb = MP4GetVerbosity(to);
  MP4SetVerbosity(to, 0);
  fromverb = MP4GetVerbosity(from);
  MP4SetVerbosity(from, 0);

  tovalue = fromvalue = NULL;
  MP4GetMetadataName(to, &tovalue);
  MP4GetMetadataName(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL) 
      MP4DeleteMetadataName(to);
    if (fromvalue != NULL)
      MP4SetMetadataName(to, fromvalue);
  }
  CHECK_AND_FREE(tovalue);
  CHECK_AND_FREE(fromvalue);

  MP4GetMetadataArtist(to, &tovalue);
  MP4GetMetadataArtist(from, &fromvalue);
  if (tovalue == NULL || fromvalue == NULL || strcmp(tovalue, fromvalue) != 0) {
    if (tovalue != NULL) 
      MP4DeleteMetadataArtist(to);
    if (fromvalue != NULL)
      MP4SetMetadataArtist(to, fromvalue);
  }
  CHECK_AND_FREE(tovalue);