output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA;
/* find the encoder */
output_codec = avcodec_find_encoder(output_codec_ctx->codec_id);
if (output_codec == NULL) {
fprintf(stderr, "cannot find output codec!\n");
output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA;
/* find the encoder */
output_codec = avcodec_find_encoder(output_codec_ctx->codec_id);
if (output_codec == NULL) {
fprintf(stderr, "cannot find output codec!\n");