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avcodec/libx264: Avoid duplicating strings 

Also removes some unchecked allocations.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-06-24 10:22:05 +02:00
parent e9f2eb198b
commit bf13a177d2
1 changed files with 10 additions and 8 deletions
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18
libavcodec/libx264.c
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@ -62,7 +62,8 @@ typedef struct X264Context {
int sei_size;
char *preset;
char *tune;
char *profile;
const char *profile;
char *profile_opt;
char *level;
int fastfirstpass;
char *wpredp;
@ -832,26 +833,27 @@ static av_cold int X264_init(AVCodecContext *avctx)
if (x4->fastfirstpass)
x264_param_apply_fastfirstpass(&x4->params);
x4->profile = x4->profile_opt;
/* Allow specifying the x264 profile through AVCodecContext. */
if (!x4->profile)
switch (avctx->profile) {
case FF_PROFILE_H264_BASELINE:
x4->profile = av_strdup("baseline");
x4->profile = "baseline";
break;
case FF_PROFILE_H264_HIGH:
x4->profile = av_strdup("high");
x4->profile = "high";
break;
case FF_PROFILE_H264_HIGH_10:
x4->profile = av_strdup("high10");
x4->profile = "high10";
break;
case FF_PROFILE_H264_HIGH_422:
x4->profile = av_strdup("high422");
x4->profile = "high422";
break;
case FF_PROFILE_H264_HIGH_444:
x4->profile = av_strdup("high444");
x4->profile = "high444";
break;
case FF_PROFILE_H264_MAIN:
x4->profile = av_strdup("main");
x4->profile = "main";
break;
default:
break;
@ -1098,7 +1100,7 @@ static av_cold void X264_init_static(FFCodec *codec)
static const AVOption options[] = {
{ "preset", "Set the encoding preset (cf. x264 --fullhelp)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "medium" }, 0, 0, VE},
{ "tune", "Tune the encoding params (cf. x264 --fullhelp)", OFFSET(tune), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "profile", "Set profile restrictions (cf. x264 --fullhelp) ", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "profile", "Set profile restrictions (cf. x264 --fullhelp)", OFFSET(profile_opt), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE},
{ "fastfirstpass", "Use fast settings when encoding first pass", OFFSET(fastfirstpass), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
{"level", "Specify level (as defined by Annex A)", OFFSET(level), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},
{"passlogfile", "Filename for 2 pass stats", OFFSET(stats), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, VE},