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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2024-09-29 20:36:28 +0200 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2024-10-14 13:59:26 -0300 |
| commit | 3661d1982d8305b75bb13a8d2ae9aaf1c2e34bbc (patch) | |
| tree | 91442f7dbc1f7db760feee3b17f9fd0c067c0011 /libavcodec/flashsvenc.c | |
| parent | 3827233187ca843f701b29885e0a3b2510763161 (diff) | |
| download | ffmpeg-3661d1982d8305b75bb13a8d2ae9aaf1c2e34bbc.tar.gz | |
avcodec/flashsvenc: add compression_level option
This allows setting the compression level used by zlib.
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/flashsvenc.c')
| -rw-r--r-- | libavcodec/flashsvenc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libavcodec/flashsvenc.c b/libavcodec/flashsvenc.c index 5cf0602f5d..f650e517d0 100644 --- a/libavcodec/flashsvenc.c +++ b/libavcodec/flashsvenc.c @@ -67,6 +67,7 @@ typedef struct FlashSVContext { unsigned packet_size; int64_t last_key_frame; uint8_t tmpblock[3 * 256 * 256]; + int compression_level; } FlashSVContext; static int copy_region_enc(const uint8_t *sptr, uint8_t *dptr, int dx, int dy, @@ -121,6 +122,10 @@ static av_cold int flashsv_encode_init(AVCodecContext *avctx) nb_blocks = h_blocks * v_blocks; s->packet_size = 4 + nb_blocks * (2 + 3 * BLOCK_WIDTH * BLOCK_HEIGHT); + s->compression_level = avctx->compression_level == FF_COMPRESSION_DEFAULT + ? Z_DEFAULT_COMPRESSION + : av_clip(avctx->compression_level, 0, 9); + return 0; } @@ -170,9 +175,10 @@ static int encode_bitstream(FlashSVContext *s, const AVFrame *p, uint8_t *buf, p->linesize[0], previous_frame); if (res || *I_frame) { - unsigned long zsize = 3 * block_width * block_height; + unsigned long zsize = 3 * block_width * block_height + 12; ret = compress2(ptr + 2, &zsize, s->tmpblock, - 3 * cur_blk_width * cur_blk_height, 9); + 3 * cur_blk_width * cur_blk_height, + s->compression_level); if (ret != Z_OK) av_log(s->avctx, AV_LOG_ERROR, |