int attribute_align_arg avcodec_open(AVCodecContext *avctx, AVCodec *codec)
{
- int ret= -1;
+ int ret = 0;
/* If there is a user-supplied mutex locking routine, call it. */
if (ff_lockmgr_cb) {
entangled_thread_counter++;
if(entangled_thread_counter != 1){
av_log(avctx, AV_LOG_ERROR, "insufficient thread locking around avcodec_open/close()\n");
+ ret = -1;
goto end;
}
- if(avctx->codec || !codec)
+ if(avctx->codec || !codec) {
+ ret = AVERROR(EINVAL);
goto end;
+ }
if (codec->priv_data_size > 0) {
if(!avctx->priv_data){
if (avctx->codec_id != codec->id || (avctx->codec_type != codec->type
&& avctx->codec_type != AVMEDIA_TYPE_ATTACHMENT)) {
av_log(avctx, AV_LOG_ERROR, "codec type or id mismatches\n");
+ ret = AVERROR(EINVAL);
goto free_and_end;
}
avctx->frame_number = 0;
if (avctx->codec->max_lowres < avctx->lowres) {
av_log(avctx, AV_LOG_ERROR, "The maximum value for lowres supported by the decoder is %d\n",
avctx->codec->max_lowres);
+ ret = AVERROR(EINVAL);
goto free_and_end;
}
if (avctx->codec->sample_fmts && avctx->codec->encode) {
break;
if (avctx->codec->sample_fmts[i] == AV_SAMPLE_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Specified sample_fmt is not supported.\n");
+ ret = AVERROR(EINVAL);
goto free_and_end;
}
}
goto free_and_end;
}
}
- ret=0;
end:
entangled_thread_counter--;
}
#endif
+
+#if FF_API_THREAD_INIT
+int avcodec_thread_init(AVCodecContext *s, int thread_count)
+{
+ s->thread_count = thread_count;
+ return ff_thread_init(s);
+}
+#endif