adpcm: Clip step_index values read from the bitstream at the beginning of each frame.

[ffmpeg] / libavcodec / options.c

diff --git a/libavcodec/options.c b/libavcodec/options.c
index c416b4aa4f18b2564a61f9fc4aa7caab56f040bf..81e910cb7e7cce4508f144b16e7946e65fcdff7b 100644 (file)
--- a/libavcodec/options.c
+++ b/libavcodec/options.c
@@ -201,7 +201,6 @@ static const AVOption options[]={
 {"fastint", "fast integer", 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_FASTINT }, INT_MIN, INT_MAX, V|E, "dct"},
 {"int", "accurate integer", 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_INT }, INT_MIN, INT_MAX, V|E, "dct"},
 {"mmx", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_MMX }, INT_MIN, INT_MAX, V|E, "dct"},
-{"mlib", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_MLIB }, INT_MIN, INT_MAX, V|E, "dct"},
 {"altivec", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_ALTIVEC }, INT_MIN, INT_MAX, V|E, "dct"},
 {"faan", "floating point AAN DCT", 0, AV_OPT_TYPE_CONST, {.dbl = FF_DCT_FAAN }, INT_MIN, INT_MAX, V|E, "dct"},
 {"lumi_mask", "compresses bright areas stronger than medium ones", OFFSET(lumi_masking), AV_OPT_TYPE_FLOAT, {.dbl = 0 }, -FLT_MAX, FLT_MAX, V|E},
@@ -215,8 +214,7 @@ static const AVOption options[]={
 {"simple", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLE }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"simplemmx", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_SIMPLEMMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"libmpeg2mmx", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_LIBMPEG2MMX }, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"ps2", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_PS2 }, INT_MIN, INT_MAX, V|E|D, "idct"},
-{"mlib", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_MLIB }, INT_MIN, INT_MAX, V|E|D, "idct"},
+{"mmi", NULL, 0, AV_OPT_TYPE_CONST, { .dbl = FF_IDCT_MMI }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"arm", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_ARM }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"altivec", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_ALTIVEC }, INT_MIN, INT_MAX, V|E|D, "idct"},
 {"sh4", NULL, 0, AV_OPT_TYPE_CONST, {.dbl = FF_IDCT_SH4 }, INT_MIN, INT_MAX, V|E|D, "idct"},
@@ -432,6 +430,7 @@ int avcodec_get_context_defaults3(AVCodecContext *s, AVCodec *codec){
     s->av_class = &av_codec_context_class;
 
     s->codec_type = codec ? codec->type : AVMEDIA_TYPE_UNKNOWN;
+    s->codec      = codec;
     av_opt_set_defaults(s);
 
     s->time_base           = (AVRational){0,1};
@@ -485,7 +484,7 @@ AVCodecContext *avcodec_alloc_context3(AVCodec *codec){
 
 int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src)
 {
-    if (dest->codec) { // check that the dest context is uninitialized
+    if (avcodec_is_open(dest)) { // check that the dest context is uninitialized
         av_log(dest, AV_LOG_ERROR,
                "Tried to copy AVCodecContext %p into already-initialized %p\n",
                src, dest);