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-rw-r--r--libavcodec/libx264.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index e9cbbad22a..17926627f5 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -70,6 +70,7 @@ typedef struct X264Context {
int slice_max_size;
char *stats;
int nal_hrd;
+ char *x264_params;
} X264Context;
static void X264_log(void *p, int level, const char *fmt, va_list args)
@@ -407,6 +408,22 @@ static av_cold int X264_init(AVCodecContext *avctx)
if (avctx->flags & CODEC_FLAG_GLOBAL_HEADER)
x4->params.b_repeat_headers = 0;
+ if (x4->x264_params) {
+ AVDictionary *dict = NULL;
+ AVDictionaryEntry *en = NULL;
+
+ if (!av_dict_parse_string(&dict, x4->x264_params, "=", ":", 0)) {
+ while ((en = av_dict_get(dict, "", en, AV_DICT_IGNORE_SUFFIX))) {
+ if (x264_param_parse(&x4->params, en->key, en->value) < 0)
+ av_log(avctx, AV_LOG_WARNING,
+ "Error parsing option '%s = %s'.\n",
+ en->key, en->value);
+ }
+
+ av_dict_free(&dict);
+ }
+ }
+
// update AVCodecContext with x264 parameters
avctx->has_b_frames = x4->params.i_bframe ?
x4->params.i_bframe_pyramid ? 2 : 1 : 0;
@@ -527,6 +544,7 @@ static const AVOption options[] = {
{ "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_NONE}, INT_MIN, INT_MAX, VE, "nal-hrd" },
{ "vbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_VBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
{ "cbr", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = X264_NAL_HRD_CBR}, INT_MIN, INT_MAX, VE, "nal-hrd" },
+ { "x264-params", "Override the x264 configuration using a :-separated list of key=value parameters", OFFSET(x264_params), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
{ NULL },
};