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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-28 20:53:54 +02:00

avcodec/cbs_jpeg: Remove redundant counter

Use -1 as the position in ff_cbs_insert_unit_data()
which implicitly reuses frag->nb_units as the counter.

Also switch to a do-while-loop, as it is more natural
than a for-loop now that the counter is gone.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-02-04 13:42:34 +01:00
parent d64e27f521
commit f183ae787a

View File

@ -110,7 +110,7 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
AVBufferRef *data_ref;
uint8_t *data;
size_t data_size;
int unit, start, end, marker, next_start, next_marker;
int start, end, marker, next_start, next_marker;
int err, i, j, length;
if (frag->data_size < 4) {
@ -144,7 +144,7 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
marker = frag->data[i];
start = i + 1;
for (unit = 0;; unit++) {
do {
if (marker == JPEG_MARKER_EOI) {
break;
} else if (marker == JPEG_MARKER_SOS) {
@ -226,16 +226,14 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx,
data_ref = frag->data_ref;
}
err = ff_cbs_insert_unit_data(frag, unit, marker,
err = ff_cbs_insert_unit_data(frag, -1, marker,
data, data_size, data_ref);
if (err < 0)
return err;
if (next_marker == -1)
break;
marker = next_marker;
start = next_start;
}
} while (next_marker != -1);
return 0;
}