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allocate palette in codec directly

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Originally committed as revision 17976 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-03-15 09:44:57 +00:00
parent 6c00a9dec2
commit e49da8273b
2 changed files with 9 additions and 8 deletions
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1
libavformat/isom.h
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@ -126,7 +126,6 @@ typedef struct MOVContext {
int64_t duration; /* duration of the longest track */
int found_moov; /* when both 'moov' and 'mdat' sections has been found */
int found_mdat; /* we suppose we have enough data to read the file */
AVPaletteControl palette_control;
DVDemuxContext *dv_demux;
AVFormatContext *dv_fctx;
int isom; /* 1 if file is ISO Media (mp4/3gp) */

16
libavformat/mov.c
View File

@ -754,6 +754,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
unsigned int color_start, color_count, color_end;
unsigned char r, g, b;
st->codec->palctrl = av_malloc(sizeof(*st->codec->palctrl));
if (color_greyscale) {
int color_index, color_dec;
/* compute the greyscale palette */
@ -763,7 +764,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
color_dec = 256 / (color_count - 1);
for (j = 0; j < color_count; j++) {
r = g = b = color_index;
c->palette_control.palette[j] =
st->codec->palctrl->palette[j] =
(r << 16) | (g << 8) | (b);
color_index -= color_dec;
if (color_index < 0)
@ -784,7 +785,7 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
r = color_table[j * 4 + 0];
g = color_table[j * 4 + 1];
b = color_table[j * 4 + 2];
c->palette_control.palette[j] =
st->codec->palctrl->palette[j] =
(r << 16) | (g << 8) | (b);
}
} else {
@ -806,15 +807,13 @@ static int mov_read_stsd(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
get_byte(pb);
b = get_byte(pb);
get_byte(pb);
c->palette_control.palette[j] =
st->codec->palctrl->palette[j] =
(r << 16) | (g << 8) | (b);
}
}
}
st->codec->palctrl = &c->palette_control;
st->codec->palctrl->palette_changed = 1;
} else
st->codec->palctrl = NULL;
}
} else if(st->codec->codec_type==CODEC_TYPE_AUDIO) {
int bits_per_sample, flags;
uint16_t version = get_be16(pb);
@ -2000,7 +1999,8 @@ static int mov_read_close(AVFormatContext *s)
int i, j;
for (i = 0; i < s->nb_streams; i++) {
MOVStreamContext *sc = s->streams[i]->priv_data;
AVStream *st = s->streams[i];
MOVStreamContext *sc = st->priv_data;
av_freep(&sc->ctts_data);
for (j = 0; j < sc->drefs_count; j++)
@ -2008,6 +2008,8 @@ static int mov_read_close(AVFormatContext *s)
av_freep(&sc->drefs);
if (sc->pb && sc->pb != s->pb)
url_fclose(sc->pb);
av_freep(&st->codec->palctrl);
}
if (mov->dv_demux) {