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libx264: introduce -x264-params private option

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It is a shortcut to set all the params using x264_param_parse,
makes simpler importing settings from other software using x264.
This commit is contained in:
Gavriloaie Eugen-Andrei 2013-01-23 08:21:55 +01:00 committed by Luca Barbato
parent 38c1466ca4
commit 29b553c1a6
1 changed files with 18 additions and 0 deletions
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18
libavcodec/libx264.c
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@ -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 },
};