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Code Issues Releases Activity

exif: take a generic log context

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The AVCodecContext is only used for logging, so instead take any valid log context.
This allows reusing the exif functions more easily in avformat.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
This commit is contained in:
Hendrik Leppkes 2016-04-01 13:13:03 +02:00 committed by Derek Buitenhuis
parent 994412fb9b
commit ce87711df5
2 changed files with 9 additions and 9 deletions
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16
libavcodec/exif.c
View File

@ -41,14 +41,14 @@ static const char *exif_get_tag_name(uint16_t id)
}
static int exif_add_metadata(AVCodecContext *avctx, int count, int type,
static int exif_add_metadata(void *logctx, int count, int type,
const char *name, const char *sep,
GetByteContext *gb, int le,
AVDictionary **metadata)
{
switch(type) {
case 0:
av_log(avctx, AV_LOG_WARNING,
av_log(logctx, AV_LOG_WARNING,
"Invalid TIFF tag type 0 found for %s with size %d\n",
name, count);
return 0;
@ -64,13 +64,13 @@ static int exif_add_metadata(AVCodecContext *avctx, int count, int type,
case TIFF_SLONG :
case TIFF_LONG : return ff_tadd_long_metadata(count, name, sep, gb, le, metadata);
default:
avpriv_request_sample(avctx, "TIFF tag type (%u)", type);
avpriv_request_sample(logctx, "TIFF tag type (%u)", type);
return 0;
};
}
static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le,
static int exif_decode_tag(void *logctx, GetByteContext *gbytes, int le,
int depth, AVDictionary **metadata)
{
int ret, cur_pos;
@ -92,7 +92,7 @@ static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le
// store metadata or proceed with next IFD
ret = ff_tis_ifd(id);
if (ret) {
ret = avpriv_exif_decode_ifd(avctx, gbytes, le, depth + 1, metadata);
ret = avpriv_exif_decode_ifd(logctx, gbytes, le, depth + 1, metadata);
} else {
const char *name = exif_get_tag_name(id);
char *use_name = (char*) name;
@ -105,7 +105,7 @@ static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le
snprintf(use_name, 7, "0x%04X", id);
}
ret = exif_add_metadata(avctx, count, type, use_name, NULL,
ret = exif_add_metadata(logctx, count, type, use_name, NULL,
gbytes, le, metadata);
if (!name) {
@ -119,7 +119,7 @@ static int exif_decode_tag(AVCodecContext *avctx, GetByteContext *gbytes, int le
}
int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
int avpriv_exif_decode_ifd(void *logctx, GetByteContext *gbytes, int le,
int depth, AVDictionary **metadata)
{
int i, ret;
@ -132,7 +132,7 @@ int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le
}
for (i = 0; i < entries; i++) {
if ((ret = exif_decode_tag(avctx, gbytes, le, depth, metadata)) < 0) {
if ((ret = exif_decode_tag(logctx, gbytes, le, depth, metadata)) < 0) {
return ret;
}
}

2
libavcodec/exif.h
View File

@ -164,7 +164,7 @@ static const struct exif_tag tag_list[] = { // JEITA CP-3451 EXIF specification:
/** Recursively decodes all IFD's and
* adds included TAGS into the metadata dictionary. */
int avpriv_exif_decode_ifd(AVCodecContext *avctx, GetByteContext *gbytes, int le,
int avpriv_exif_decode_ifd(void *logctx, GetByteContext *gbytes, int le,
int depth, AVDictionary **metadata);
#endif /* AVCODEC_EXIF_H */