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Add compatibility wrappers for functions moved from lavf to lavc

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When symbol versioning is enabled, moving symbols from one library to
another breaks binary compatibility.  This adds wrappers with the old
version tag for the av_*packet functions recently moved to lavc.

Originally committed as revision 23611 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Måns Rullgård
2010-06-15 13:26:52 +00:00
parent 2661d65a5f
commit b462d13262
3 changed files with 57 additions and 2 deletions
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32
libavformat/utils.c
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@@ -283,8 +283,38 @@ AVInputFormat *av_find_input_format(const char *short_name)
return NULL;
}
/* memory handling */
#if LIBAVFORMAT_VERSION_MAJOR < 53 && CONFIG_SHARED && HAVE_SYMVER
FF_SYMVER(void, av_destruct_packet_nofree, (AVPacket *pkt), "LIBAVFORMAT_52")
{
av_destruct_packet_nofree(pkt);
}
FF_SYMVER(void, av_destruct_packet, (AVPacket *pkt), "LIBAVFORMAT_52")
{
av_destruct_packet(pkt);
}
FF_SYMVER(int, av_new_packet, (AVPacket *pkt, int size), "LIBAVFORMAT_52")
{
return av_new_packet(pkt, size);
}
FF_SYMVER(int, av_dup_packet, (AVPacket *pkt), "LIBAVFORMAT_52")
{
return av_dup_packet(pkt);
}
FF_SYMVER(void, av_free_packet, (AVPacket *pkt), "LIBAVFORMAT_52")
{
av_free_packet(pkt);
}
FF_SYMVER(void, av_init_packet, (AVPacket *pkt), "LIBAVFORMAT_52")
{
av_log(NULL, AV_LOG_WARNING, "Diverting av_*_packet function calls to libavcodec. Recompile to improve performance\n");
av_init_packet(pkt);
}
#endif
int av_get_packet(ByteIOContext *s, AVPacket *pkt, int size)
{