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iTunes metadata encoding support patch by (Patrice Bensoussan <patrice.bensoussan at free dot fr>)
Originally committed as revision 3388 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Patrice Bensoussan
committed by
Michael Niedermayer
Michael Niedermayer
parent
8b69867f2e
commit
b6c50eb17c
1
CREDITS
1
CREDITS
@@ -2,6 +2,7 @@ This file contains the name of the people who have contributed to
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ffmpeg. The names are sorted alphabetically.
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Fabrice Bellard
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Patrice Bensoussan
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Alex Beregszaszi
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BERO
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Mario Brito
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@@ -776,6 +776,219 @@ static int mov_write_mvhd_tag(ByteIOContext *pb, MOVContext *mov)
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return 0x6c;
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}
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static int mov_write_itunes_hdlr_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "hdlr");
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put_be32(pb, 0);
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put_be32(pb, 0);
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put_tag(pb, "mdir");
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put_tag(pb, "appl");
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put_be32(pb, 0);
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put_be32(pb, 0);
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put_be16(pb, 0);
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return updateSize(pb, pos);
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}
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/* helper function to write a data tag with the specified string as data */
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static int mov_write_string_data_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s, const char *data)
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{
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "data");
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put_be32(pb, 1);
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put_be32(pb, 0);
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put_buffer(pb, data, strlen(data));
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return updateSize(pb, pos);
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}
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/* iTunes name of the song/movie */
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static int mov_write_nam_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->title[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251nam");
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mov_write_string_data_tag(pb, mov, s, s->title);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes name of the artist/performer */
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static int mov_write_ART_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->author[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251ART");
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// we use the author here as this is the only thing that we have...
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mov_write_string_data_tag(pb, mov, s, s->author);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes name of the writer */
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static int mov_write_wrt_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->author[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251wrt");
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mov_write_string_data_tag(pb, mov, s, s->author);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes name of the album */
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static int mov_write_alb_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->album[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251alb");
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mov_write_string_data_tag(pb, mov, s, s->album);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes year */
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static int mov_write_day_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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char year[5];
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int size = 0;
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if ( s->year ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251day");
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snprintf(year, 5, "%04d", s->year);
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mov_write_string_data_tag(pb, mov, s, year);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes tool used to create the file */
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static int mov_write_too_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251too");
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mov_write_string_data_tag(pb, mov, s, LIBAVFORMAT_IDENT);
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return updateSize(pb, pos);
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}
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/* iTunes comment */
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static int mov_write_cmt_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->comment[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251cmt");
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mov_write_string_data_tag(pb, mov, s, s->comment);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes custom genre */
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static int mov_write_gen_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->genre[0] ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "\251gen");
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mov_write_string_data_tag(pb, mov, s, s->genre);
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes track number */
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static int mov_write_trkn_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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if ( s->track ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "trkn");
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{
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "data");
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put_be32(pb, 0); // 8 bytes empty
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put_be32(pb, 0);
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put_be16(pb, 0); // empty
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put_be16(pb, s->track); // track number
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put_be16(pb, 0); // total track number
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put_be16(pb, 0); // empty
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updateSize(pb, pos);
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}
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size = updateSize(pb, pos);
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}
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return size;
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}
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/* iTunes meta data list */
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static int mov_write_ilst_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "ilst");
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mov_write_nam_tag(pb, mov, s);
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mov_write_ART_tag(pb, mov, s);
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mov_write_wrt_tag(pb, mov, s);
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mov_write_alb_tag(pb, mov, s);
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mov_write_day_tag(pb, mov, s);
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mov_write_too_tag(pb, mov, s);
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mov_write_cmt_tag(pb, mov, s);
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mov_write_gen_tag(pb, mov, s);
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mov_write_trkn_tag(pb, mov, s);
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return updateSize(pb, pos);
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}
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/* iTunes meta data tag */
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static int mov_write_meta_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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int size = 0;
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// only save meta tag if required
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if ( s->title[0] || s->author[0] || s->album[0] || s->year ||
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s->comment[0] || s->genre[0] || s->track ) {
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int pos = url_ftell(pb);
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put_be32(pb, 0); /* size */
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put_tag(pb, "meta");
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put_be32(pb, 0);
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mov_write_itunes_hdlr_tag(pb, mov, s);
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mov_write_ilst_tag(pb, mov, s);
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size = updateSize(pb, pos);
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}
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return size;
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}
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static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
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AVFormatContext *s)
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{
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@@ -785,6 +998,9 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext* mov,
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put_be32(pb, 0); /* size */
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put_tag(pb, "udta");
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/* iTunes meta data */
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mov_write_meta_tag(pb, mov, s);
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/* Requirements */
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for (i=0; i<MAX_STREAMS; i++) {
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if(mov->tracks[i].entry <= 0) continue;
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