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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-03-31 00:21:20 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-10 03:45:18 +0200 |
| commit | d0dcfaef517105cf5f43f686bf2827c412c351ab (patch) | |
| tree | 2d17a20a46f2b329af0c276b39cdbc4e799c7eb5 /libavcodec | |
| parent | b3a38eaff492a64370092e6ff7d780199cebc68b (diff) | |
| download | ffmpeg-d0dcfaef517105cf5f43f686bf2827c412c351ab.tar.gz | |
avcodec/mjpegenc: Remove dependency of AMV encoder on mjpegenc_huffman
Using optimal Huffman tables is not supported for AMV and always
disabled by ff_mpv_encode_init(); therefore one can build
the AMV encoder without mjpegenc_huffman if one adds the necessary
compile-time checks.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/Makefile | 3 | ||||
| -rw-r--r-- | libavcodec/mjpegenc.c | 9 |
2 files changed, 7 insertions, 5 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 33a280cf69..4a597f727a 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -199,8 +199,7 @@ OBJS-$(CONFIG_AMRWB_DECODER) += amrwbdec.o celp_filters.o \ celp_math.o acelp_filters.o \ acelp_vectors.o \ acelp_pitch_delay.o -OBJS-$(CONFIG_AMV_ENCODER) += mjpegenc.o mjpegenc_common.o \ - mjpegenc_huffman.o +OBJS-$(CONFIG_AMV_ENCODER) += mjpegenc.o mjpegenc_common.o OBJS-$(CONFIG_ANM_DECODER) += anm.o OBJS-$(CONFIG_ANSI_DECODER) += ansi.o cga_data.o OBJS-$(CONFIG_APE_DECODER) += apedec.o diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c index 596b7544ca..e5d2e24d66 100644 --- a/libavcodec/mjpegenc.c +++ b/libavcodec/mjpegenc.c @@ -65,6 +65,7 @@ static av_cold void init_uni_ac_vlc(const uint8_t huff_size_ac[256], } } +#if CONFIG_MJPEG_ENCODER /** * Encodes and outputs the entire frame in the JPEG format. * @@ -171,6 +172,7 @@ static void mjpeg_build_optimal_huffman(MJpegContext *m) m->bits_ac_chrominance, m->val_ac_chrominance); } +#endif /** * Writes the complete JPEG frame when optimal huffman tables are enabled, @@ -186,11 +188,11 @@ int ff_mjpeg_encode_stuffing(MpegEncContext *s) PutBitContext *pbc = &s->pb; int mb_y = s->mb_y - !s->mb_x; int ret; - MJpegContext *m; - - m = s->mjpeg_ctx; +#if CONFIG_MJPEG_ENCODER if (s->huffman == HUFFMAN_TABLE_OPTIMAL) { + MJpegContext *m = s->mjpeg_ctx; + mjpeg_build_optimal_huffman(m); // Replace the VLCs with the optimal ones. @@ -206,6 +208,7 @@ int ff_mjpeg_encode_stuffing(MpegEncContext *s) s->pred, s->intra_matrix, s->chroma_intra_matrix); mjpeg_encode_picture_frame(s); } +#endif ret = ff_mpv_reallocate_putbitbuffer(s, put_bits_count(&s->pb) / 8 + 100, put_bits_count(&s->pb) / 4 + 1000); |