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avcodec/webp: move exif_metadata outside of WebPContext

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Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2016-02-20 21:44:53 -03:00
parent dc0481f2fb
commit 778439b69a
1 changed files with 4 additions and 5 deletions
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9
libavcodec/webp.c
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@ -196,7 +196,6 @@ typedef struct WebPContext {
uint8_t *alpha_data; /* alpha chunk data */
int alpha_data_size; /* alpha chunk data size */
int has_exif; /* set after an EXIF chunk has been processed */
AVDictionary *exif_metadata; /* EXIF chunk data */
int width; /* image width */
int height; /* image height */
int lossless; /* indicates lossless or lossy */
@ -1386,7 +1385,6 @@ static int webp_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
return AVERROR_INVALIDDATA;
}
av_dict_free(&s->exif_metadata);
while (bytestream2_get_bytes_left(&gb) > 8) {
char chunk_str[5] = { 0 };
@ -1463,6 +1461,7 @@ static int webp_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}
case MKTAG('E', 'X', 'I', 'F'): {
int le, ifd_offset, exif_offset = bytestream2_tell(&gb);
AVDictionary *exif_metadata = NULL;
GetByteContext exif_gb;
if (s->has_exif) {
@ -1484,15 +1483,15 @@ static int webp_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
}
bytestream2_seek(&exif_gb, ifd_offset, SEEK_SET);
if (avpriv_exif_decode_ifd(avctx, &exif_gb, le, 0, &s->exif_metadata) < 0) {
if (avpriv_exif_decode_ifd(avctx, &exif_gb, le, 0, &exif_metadata) < 0) {
av_log(avctx, AV_LOG_ERROR, "error decoding Exif data\n");
goto exif_end;
}
av_dict_copy(avpriv_frame_get_metadatap(data), s->exif_metadata, 0);
av_dict_copy(avpriv_frame_get_metadatap(data), exif_metadata, 0);
exif_end:
av_dict_free(&s->exif_metadata);
av_dict_free(&exif_metadata);
bytestream2_skip(&gb, chunk_size);
break;
}