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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Archived-At: List-Archive: List-Post: This fixes the problem of potentially closing a z_stream that has never been successfully initialized. Signed-off-by: Andreas Rheinhardt --- configure | 2 +- libavcodec/zerocodec.c | 21 +++++---------------- 2 files changed, 6 insertions(+), 17 deletions(-) diff --git a/configure b/configure index c86e70e985..7c87548359 100755 --- a/configure +++ b/configure @@ -2990,7 +2990,7 @@ wmv3image_decoder_select="wmv3_decoder" xma1_decoder_select="wmapro_decoder" xma2_decoder_select="wmapro_decoder" ylc_decoder_select="bswapdsp" -zerocodec_decoder_deps="zlib" +zerocodec_decoder_select="inflate_wrapper" zlib_decoder_deps="zlib" zlib_encoder_deps="zlib" zmbv_decoder_select="inflate_wrapper" diff --git a/libavcodec/zerocodec.c b/libavcodec/zerocodec.c index 3bd04567a1..86cdf96f5a 100644 --- a/libavcodec/zerocodec.c +++ b/libavcodec/zerocodec.c @@ -20,11 +20,12 @@ #include "avcodec.h" #include "internal.h" +#include "zlib_wrapper.h" #include "libavutil/common.h" typedef struct ZeroCodecContext { AVFrame *previous_frame; - z_stream zstream; + FFZStream zstream; } ZeroCodecContext; static int zerocodec_decode_frame(AVCodecContext *avctx, void *data, @@ -33,7 +34,7 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, void *data, ZeroCodecContext *zc = avctx->priv_data; AVFrame *pic = data; AVFrame *prev_pic = zc->previous_frame; - z_stream *zstream = &zc->zstream; + z_stream *const zstream = &zc->zstream.zstream; uint8_t *prev = prev_pic->data[0]; uint8_t *dst; int i, j, zret, ret; @@ -106,7 +107,7 @@ static av_cold int zerocodec_decode_close(AVCodecContext *avctx) av_frame_free(&zc->previous_frame); - inflateEnd(&zc->zstream); + ff_inflate_end(&zc->zstream); return 0; } @@ -114,27 +115,15 @@ static av_cold int zerocodec_decode_close(AVCodecContext *avctx) static av_cold int zerocodec_decode_init(AVCodecContext *avctx) { ZeroCodecContext *zc = avctx->priv_data; - z_stream *zstream = &zc->zstream; - int zret; avctx->pix_fmt = AV_PIX_FMT_UYVY422; avctx->bits_per_raw_sample = 8; - zstream->zalloc = Z_NULL; - zstream->zfree = Z_NULL; - zstream->opaque = Z_NULL; - - zret = inflateInit(zstream); - if (zret != Z_OK) { - av_log(avctx, AV_LOG_ERROR, "Could not initialize inflate: %d.\n", zret); - return AVERROR(ENOMEM); - } - zc->previous_frame = av_frame_alloc(); if (!zc->previous_frame) return AVERROR(ENOMEM); - return 0; + return ff_inflate_init(&zc->zstream, avctx); } static void zerocodec_decode_flush(AVCodecContext *avctx) -- 2.32.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".