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authorMichael Niedermayer <michael@niedermayer.cc>2015-12-18 17:52:35 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2015-12-18 18:08:00 +0100
commit1c878474fb1db011dc78a55616520703aedce1ce (patch)
tree5fe348ab1f86e65a99f7ec658ed8ae7dd6e2c2e3 /libavcodec
parent91b4afd58d7858bfbee10d3e115418f3a9543720 (diff)
downloadffmpeg-1c878474fb1db011dc78a55616520703aedce1ce.tar.gz
avcodec/ffv1enc: unbreak -coder option
This fixes a segfault caused by moving the coder option and changing its semantics Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/ffv1.h1
-rw-r--r--libavcodec/ffv1enc.c11
2 files changed, 10 insertions, 2 deletions
diff --git a/libavcodec/ffv1.h b/libavcodec/ffv1.h
index c7fed3f3a5..7cb97f4f58 100644
--- a/libavcodec/ffv1.h
+++ b/libavcodec/ffv1.h
@@ -56,6 +56,7 @@
#define AC_GOLOMB_RICE 0
#define AC_RANGE_DEFAULT_TAB 1
#define AC_RANGE_CUSTOM_TAB 2
+#define AC_RANGE_DEFAULT_TAB_FORCE -2
typedef struct VlcState {
int16_t drift;
diff --git a/libavcodec/ffv1enc.c b/libavcodec/ffv1enc.c
index 6b5c4b24f3..e4d5ac6708 100644
--- a/libavcodec/ffv1enc.c
+++ b/libavcodec/ffv1enc.c
@@ -704,8 +704,13 @@ static av_cold int encode_init(AVCodecContext *avctx)
FF_DISABLE_DEPRECATION_WARNINGS
if (avctx->coder_type != -1)
s->ac = avctx->coder_type > 0 ? AC_RANGE_CUSTOM_TAB : AC_GOLOMB_RICE;
+ else
FF_ENABLE_DEPRECATION_WARNINGS
#endif
+ if (s->ac == 1) // Compatbility with common command line usage
+ s->ac = AC_RANGE_CUSTOM_TAB;
+ else if (s->ac == AC_RANGE_DEFAULT_TAB_FORCE)
+ s->ac = AC_RANGE_DEFAULT_TAB;
s->plane_count = 3;
switch(avctx->pix_fmt) {
@@ -1352,13 +1357,15 @@ static av_cold int encode_close(AVCodecContext *avctx)
static const AVOption options[] = {
{ "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
{ "coder", "Coder type", OFFSET(ac), AV_OPT_TYPE_INT,
- { .i64 = AC_GOLOMB_RICE }, 0, 2, VE, "coder" },
+ { .i64 = 0 }, -2, 2, VE, "coder" },
{ "rice", "Golomb rice", 0, AV_OPT_TYPE_CONST,
{ .i64 = AC_GOLOMB_RICE }, INT_MIN, INT_MAX, VE, "coder" },
{ "range_def", "Range with default table", 0, AV_OPT_TYPE_CONST,
- { .i64 = AC_RANGE_DEFAULT_TAB }, INT_MIN, INT_MAX, VE, "coder" },
+ { .i64 = AC_RANGE_DEFAULT_TAB_FORCE }, INT_MIN, INT_MAX, VE, "coder" },
{ "range_tab", "Range with custom table", 0, AV_OPT_TYPE_CONST,
{ .i64 = AC_RANGE_CUSTOM_TAB }, INT_MIN, INT_MAX, VE, "coder" },
+ { "ac", "Range with custom table (the ac option exists for compatibility and is deprecated)", 0, AV_OPT_TYPE_CONST,
+ { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" },
{ NULL }
};