From 6c445990e64124ad64c79423dfd3764520648c89 Mon Sep 17 00:00:00 2001 From: Vittorio Giovara Date: Sun, 26 Jun 2016 20:08:54 -0400 Subject: tiffenc: Check zlib support for deflate option during initialization This converts a misleading error about an option not found to a more meaningful one. --- libavcodec/tiffenc.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'libavcodec/tiffenc.c') diff --git a/libavcodec/tiffenc.c b/libavcodec/tiffenc.c index 24312f0dc5..8791c54987 100644 --- a/libavcodec/tiffenc.c +++ b/libavcodec/tiffenc.c @@ -492,6 +492,16 @@ fail: static av_cold int encode_init(AVCodecContext *avctx) { +#if !CONFIG_ZLIB + TiffEncoderContext *s = avctx->priv_data; + + if (s->compr == TIFF_DEFLATE) { + av_log(avctx, AV_LOG_ERROR, + "Deflate compression needs zlib compiled in\n"); + return AVERROR(ENOSYS); + } +#endif + #if FF_API_CODED_FRAME FF_DISABLE_DEPRECATION_WARNINGS avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; @@ -509,9 +519,7 @@ static const AVOption options[] = { { "packbits", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = TIFF_PACKBITS }, 0, 0, VE, "compression_algo" }, { "raw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = TIFF_RAW }, 0, 0, VE, "compression_algo" }, { "lzw", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = TIFF_LZW }, 0, 0, VE, "compression_algo" }, -#if CONFIG_ZLIB { "deflate", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = TIFF_DEFLATE }, 0, 0, VE, "compression_algo" }, -#endif { NULL }, }; -- cgit v1.2.3