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authorAnton Khirnov <anton@khirnov.net>2013-12-01 22:05:18 +0100
committerAnton Khirnov <anton@khirnov.net>2013-12-05 13:35:30 +0100
commit86eb2eaac629909d6ee4067c6f1e485a4e70473d (patch)
tree4d7f765b2f4fb30225e5e3f28ec157d9d15d4d20 /libavcodec/mjpegenc.c
parent3360ad995530ea6967b1e83981b4aa8240fbb0ed (diff)
mjpegenc: do not pass MpegEncContext to ff_mjpeg_encode_dc()
This will allow deMpegEncContextizing the LJPEG encoder.
Diffstat (limited to 'libavcodec/mjpegenc.c')
-rw-r--r--libavcodec/mjpegenc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c
index f5c70f9c3c..054cc66a4b 100644
--- a/libavcodec/mjpegenc.c
+++ b/libavcodec/mjpegenc.c
@@ -340,13 +340,13 @@ void ff_mjpeg_encode_picture_trailer(PutBitContext *pb, int header_bits)
put_marker(pb, EOI);
}
-void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
+void ff_mjpeg_encode_dc(PutBitContext *pb, int val,
uint8_t *huff_size, uint16_t *huff_code)
{
int mant, nbits;
if (val == 0) {
- put_bits(&s->pb, huff_size[0], huff_code[0]);
+ put_bits(pb, huff_size[0], huff_code[0]);
} else {
mant = val;
if (val < 0) {
@@ -356,9 +356,9 @@ void ff_mjpeg_encode_dc(MpegEncContext *s, int val,
nbits= av_log2_16bit(val) + 1;
- put_bits(&s->pb, huff_size[nbits], huff_code[nbits]);
+ put_bits(pb, huff_size[nbits], huff_code[nbits]);
- put_sbits(&s->pb, nbits, mant);
+ put_sbits(pb, nbits, mant);
}
}
@@ -375,11 +375,11 @@ static void encode_block(MpegEncContext *s, int16_t *block, int n)
dc = block[0]; /* overflow is impossible */
val = dc - s->last_dc[component];
if (n < 4) {
- ff_mjpeg_encode_dc(s, val, m->huff_size_dc_luminance, m->huff_code_dc_luminance);
+ ff_mjpeg_encode_dc(&s->pb, val, m->huff_size_dc_luminance, m->huff_code_dc_luminance);
huff_size_ac = m->huff_size_ac_luminance;
huff_code_ac = m->huff_code_ac_luminance;
} else {
- ff_mjpeg_encode_dc(s, val, m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
+ ff_mjpeg_encode_dc(&s->pb, val, m->huff_size_dc_chrominance, m->huff_code_dc_chrominance);
huff_size_ac = m->huff_size_ac_chrominance;
huff_code_ac = m->huff_code_ac_chrominance;
}